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Academic Research
15 websites
Internet ArchiveA US non-profit digital library known for the Wayback Machine web archive, with free collections of texts, audio, video, and software.
ZooniverseThe world's largest people-powered research platform — volunteers classify real research data in the browser, from galaxies and penguins to historical manuscripts, with most projects open without registration.
Semantic ScholarA free academic search engine from the nonprofit Ai2, indexing more than 200 million papers with AI-generated TLDR summaries, citation intent and influence labels, plus a free API and datasets.
PerplexityPerplexity is an AI answer engine that responds to questions with direct, source-cited answers instead of a list of links. Core features are free; Pro and Max subscriptions unlock stronger models and higher limits.
Metaso (秘塔AI搜索)A Chinese AI search engine by Shanghai Metaso that answers questions with ad-free, source-cited structured summaries, including academic search and a free Deep Research mode.
Our World in DataA free, non-profit research publication by Oxford University researchers and the charity Global Change Data Lab, with interactive charts and analysis on poverty, climate, health and other global issues, largely reusable under CC BY.
arXivA free, open-access preprint archive hosting over three million scholarly articles across eight subject areas including physics, mathematics and computer science. Reading requires no registration; content is not peer reviewed.
Wolfram|AlphaA computational knowledge engine launched in 2009 by Wolfram Research: instead of returning web links, it computes answers to math, science and factual questions from a curated knowledgebase. Basic queries are free; extras need Pro.
WikipediaA free, multilingual online encyclopedia that anyone can edit, launched in January 2001 and sustained by reader donations to the nonprofit Wikimedia Foundation; as of 2026-09-02 it spans 348 language editions with over 68 million articles.
KaggleGoogle's data science and machine learning competition platform and community, founded by Anthony Goldbloom in 2010 and acquired by Google in 2017, offering competitions, public datasets, cloud notebooks and free courses.
Google ScholarGoogle's free scholarly search engine, launched in 2004, indexing papers, theses, books, preprints, patents and US case law across publishers, with citation tracing, author profiles and venue metrics. Search needs no account.
NotebookLM (now Gemini Notebook)Google's AI research assistant: answers are grounded only in your uploaded sources, with inline citations, and the same material can become Audio Overviews, mind maps, or flashcards. Renamed Gemini Notebook in July 2026.
DeepSeekAI assistant from Hangzhou-based DeepSeek, free to use on web and mobile after sign-up, with DeepThink reasoning and web search; model weights are open-licensed and the API is low-cost.Online Learning
13 websites
ScratchA free block-based coding platform created at the MIT Media Lab and now run by the nonprofit Scratch Foundation. Build games, animations, and stories in the browser and share them with a global creative community.
Khan AcademyA free online learning platform run by a US 501(c)(3) nonprofit, offering courses from pre-K through early college plus official free SAT, LSAT, and MCAT prep — no ads, funded by donations.
PhET Interactive SimulationsFree interactive science and math simulations from the University of Colorado Boulder, covering physics, chemistry, biology and more, usable online or offline, translated into 100+ languages, with open-source code.
DesmosA free online graphing calculator and math tool suite from Desmos Studio, covering function plotting, geometry, scientific and matrix calculation, 3D graphs and a Notebook, with sliders, sharing and built-in accessibility.
MonkeytypeA free, open-source typing test and practice website known for its minimal design and unusually deep customization, with multiple test modes, hundreds of language word lists, and optional accounts for tracking progress.
freeCodeCampA donor-supported nonprofit offering free interactive coding courses, project-based certifications, a tech publication and a community forum — all content and certificates free.
DuolingoA free, gamified learning platform opened to the public in 2012, officially listing 40+ languages plus math, music and chess courses; it also runs the Duolingo English Test, accepted by more than 6,500 institutions worldwide.
CourseraAn online learning platform founded in 2012 by Stanford professors Andrew Ng and Daphne Koller, partnering with 350+ universities and companies; NYSE-listed since 2021, merged with Udemy in May 2026.
China University MOOC（中国大学MOOC）A Chinese MOOC platform launched in 2014 by Higher Education Press (icourse) and NetEase under the Ministry of Education's elite open-course program; courses are free to study, with paid verified certificates.
TEDA nonprofit-run video platform built around short conference talks. As of 2026-09-02 the TED.com library indexes 7,641 free talks with volunteer-made subtitles in 115 languages, alongside the TEDx network, TED-Ed lessons, and 25+ podcasts.
ExercismA free, ad-free coding practice and mentoring platform with 83 language tracks and 8,600+ exercises. Solve in the browser or via CLI, get automated analysis, and request free mentor feedback. Run by a UK not-for-profit; account required.
ForvoA crowdsourced pronunciation dictionary with native-speaker recordings for nearly 6 million words in 430+ languages, filterable by accent with community voting. Listening is free; contributing requires an account; non-commercial use only.Practical Tools
31 websites
SuperCookCheck off the ingredients you already have, and get recipes you can cook right now — each result links out to the source site. Free and registration-free reverse recipe search.
Have I Been PwnedA data breach lookup service by security researcher Troy Hunt. Enter an email address to see whether it appears in known breaches, check passwords against leaked corpora, and get breach alerts. Core searches are free and need no account.
PairDropOpen-source, browser-based file transfer: devices on the same network discover each other automatically and send files peer-to-peer over WebRTC; pairing and temporary rooms extend transfers across networks. No signup, no installation.
iFixitA free repair knowledge base and community: hundreds of thousands of step-by-step teardown repair guides, a Q&A forum and repairability scores, plus a tools and parts store and Right to Repair advocacy.
Open Food FactsA crowdsourced food database where a barcode scan returns ingredient lists, nutrition tables and Nutri-Score style ratings; everything is published under the ODbL license by a French nonprofit.
DeepLA language AI platform run by DeepL SE in Germany, best known for its neural machine translator, alongside the DeepL Write assistant, DeepL Voice speech translation, and a developer API, with free and Pro tiers.
Terms of Service; Didn't Read (ToS;DR)A nonprofit community project, online since 2012, that breaks major sites' terms of service and privacy policies into plain-language "points" and grades each service A–E, published as open data with a browser extension and public API.
Xiachufang (下厨房)A Chinese recipe-sharing community launched in 2011, where home cooks publish step-by-step photo recipes and post their results. Its counter shows 3.58 million recipes; free to browse without an account, plus membership and courses.
ChatGPTOpenAI's conversational AI assistant, launched in November 2022, with web search, file and image handling, voice, memory and custom GPTs. Basic chatting is free with no sign-up; paid plans run $8–$100+/month.
timeanddate.comA free online time-and-date toolkit run by Norway's Time and Date AS since 1998: world clocks, time zone conversion, calendars and holidays, sun and moon astronomy, eclipses and weather. No sign-up; optional ad-free subscription.
NotionAn all-in-one workspace from Notion Labs that unifies docs, wikis, databases, and project management in one block-based editor; free for individuals, with the fullest AI features reserved for the Business plan and above.
KagiPaid, ad-free search engine from US-based Kagi Inc.: subscription-funded, no user tracking, results blending its own indexes with external sources, with domain personalization, Lenses, Bangs, an AI assistant, and the Orion browser.
ObsidianLocal-first Markdown notes and knowledge base from Canada's Dynalist Inc. Notes stay on your device as plain text, linked into a graph, extensible via 7,500+ community plugins. Free even for commercial use; Sync and Publish cost extra.
LinearA cloud product development and issue-tracking system from San Francisco's Linear Orbit: speed- and keyboard-first, built on Issues, Cycles, Triage and Projects, with AI agents as workspace members. Free plan; paid tiers per user.
DiaAI-native Chromium browser from The Browser Company (now part of Atlassian): the address bar doubles as an AI prompt with context from your tabs and work tools. Free tier has no AI; plans from $20/month; Apple Silicon Mac only.
CapacitiesObject-based notes and personal knowledge management from an independent German team: everything is a typed, linked object instead of a file in folders. Free plan promised forever; Pro adds AI, calendar, and tasks. EU-hosted under GDPR.
ClaudeAnthropic's AI assistant and agent platform: chat, writing, coding, web search, Artifacts, and file creation on web, desktop, and mobile; paid plans add the Claude Code and Cowork agents. Launched March 2023; free plan, Pro from $20/month.
KimiMoonshot AI's assistant: chat, deep research, slides/docs/website generation and coding from one prompt box, on web, apps, desktop and API. Open-weight K models; K3 (July 2026) is the largest open-weight model at 2.8T parameters.
DoubaoByteDance's AI assistant for China: chat, search, writing, PPT and image/video generation, voice calls, and an office agent on web, desktop, and mobile. Launched August 2023; ~172M MAU (QuestMobile). Free tier; Pro plans RMB 68–500/month.
GensparkAll-in-one AI agent workspace by Palo Alto's MainFunc: 70+ orchestrated AI models turn one prompt into finished slides, sheets, docs, apps, videos — even phone calls. Launched as AI search in June 2024; Super Agent pivot in April 2025.
GranolaLondon-based Granola's AI meeting notepad: no bot joins the call — desktop and mobile apps capture device audio, transcribe it, and expand your jotted notes into structured summaries. Launched May 2024; free tier, Business $14/user/month.
Wispr FlowAI voice dictation from San Francisco startup Wispr: hold a key, talk, and polished text lands in whatever app your cursor is in — on Mac, Windows, iPhone, and Android. Launched October 2024; 100+ languages; free tier, Pro from $15/month.
HeptabaseA visual note-taking and PKM app by Taiwan-based Hepta Platforms: cards on whiteboards, PDF annotation, web clipping, Readwise sync, and AI Q&A. Paid-only, from $8.99/month billed yearly, with a 7-day free trial.
Zen BrowserA free, open-source Firefox-based desktop browser (MPL-2.0) maintained by a volunteer community. Built around vertical tabs, with Workspaces, Compact Mode, Split View and Glance; no telemetry; funded by donations. Still officially beta.
SuperlistTo-do list and notes app from the Wunderlist team: lists are rich documents mixing tasks, text, and images, with sharing, Gmail/Slack/GitHub integrations, AI voice and meeting notes. Free tier; paid plans from $59/yr per person.
Readwise ReaderReadwise's all-in-one reader brings articles, RSS, PDFs, EPUBs, YouTube transcripts and newsletters together with first-class highlighting and note-app export. 30-day trial, then $9.99/month (annual).
FeltFelt is a cloud-native GIS — drop any spatial file into the browser to get a shareable map, edit together in real time, and connect live warehouse data. Free for personal use.
flomoflomo is a Chinese card-note service for frictionless, chat-like capture — jot via WeChat or full-platform apps, then resurface notes with tags and daily review. Free tier; PRO/MAX plans.Creative Tools
31 websites
ExcalidrawAn open-source virtual whiteboard with a hand-drawn feel — sketch diagrams for free without signing up, with real-time collaboration and end-to-end encryption.
UnsplashUnsplash is a Canadian stock photo platform with 8.7 million free, commercially usable high-resolution photos and illustrations, no account needed to download, plus a developer API and paid Unsplash+ tier; owned by Getty Images since 2021.
PhotopeaPhotopea is a free browser-based image editor maintained by solo developer Ivan Kutskir since 2013. It supports layers, masks, and PSD along with many other design formats, processes files locally on your device, and requires no account.
TypstTypst is a markup-based typesetting system and collaborative online editor from a Berlin team, matching LaTeX's power with simpler syntax, instant preview, and helpful errors; the compiler is open source under Apache-2.0.
GammaAn AI-powered content design platform that turns a prompt, outline, or imported file into presentations, documents, webpages, and social assets, with export to PPT/PDF and one-click web publishing.
iconfontA Chinese vector icon platform run by Alibaba's Alimama experience team, offering icon search, multi-format downloads, icon-font generation and team project workflows, plus illustrations, Lottie animations and official fonts.
Shenyan Dayi (深言达意)Shenyan Dayi is a free writing aid from DeepLang AI: describe what you mean and get matching Chinese words, idioms, quotes and example sentences, with cross-lingual English lookup. It evolved from THUNLP's WantWords reverse dictionary.
FreesoundFreesound is a collaborative sound library run by the Music Technology Group at Universitat Pompeu Fabra, hosting 700,000+ Creative Commons–licensed sounds to search, preview in the browser and download for free.
PrintablesA free 3D printing model library and maker community run by Czech printer manufacturer Prusa Research: over a million models downloadable without an account, per-model license labels, and Prusameters points redeemable for real filament.
OverleafA collaborative online LaTeX editor that runs entirely in the browser, created as WriteLaTeX in 2011 and merged with ShareLaTeX in 2017; the company reports over 20 million users.
Google FontsGoogle's free, open-source font library, launched in 2010: 1,946 font families as of 2026-09-02 under libre licenses, free for commercial use via embedding, download, or self-hosting, plus 3,900+ Material Symbols icons.
MobbinA Singapore-based UI/UX reference library of screenshots, flows, and motion videos from real, shipped apps and websites, searchable by screen pattern, UI element, and in-screenshot text; the full library and AI search require a paid plan.
tldrawA free online whiteboard that works the moment you open it: infinite canvas, hand-drawn strokes, no account needed, saved in the browser. It also showcases the source-available tldraw SDK behind ClickUp Whiteboards and other products.
BandLabA free online DAW and music creation community from Singapore's BandLab Technologies: record, mix, and collaborate in a browser or app with a royalty-free sound library and instant mastering; membership adds distribution and promotion.
MidjourneyA subscription-only AI image and video generator from San Francisco's Midjourney, Inc. A text prompt returns four images to upscale, vary, repaint, extend, or animate into short clips. Open beta since July 2022; no free tier.
RunwayAI video generation and creation platform from New York-based Runway AI: generate and edit video in the browser with models like Gen-4.5, plus a multi-model API. Free tier with 125 one-time credits; paid plans metered per second.
SunoAI music platform from Suno, Inc. (Cambridge, MA): a text prompt becomes a complete song with vocals and full production in about a minute. Free tier makes 10 songs daily; paid plans add commercial rights and the Suno Studio browser DAW.
SplineA browser-based collaborative 3D design platform from Spline, Inc.: model, animate, and add interactivity in real time, then ship as web embeds, React code, or native iOS/Android content. AI features are metered via credits on paid plans.
DescriptDescript is an AI audio and video editor built around text-based editing: it transcribes your recordings so you can cut footage by deleting words, with AI noise removal, voice cloning, remote recording, dubbing, and an API.
ElevenLabsElevenLabs is an AI voice platform generating near-human speech in 70+ languages: text to speech, voice cloning, dubbing, transcription, music, and voice agents. Free tier 10,000 credits/month; commercial use from $6/month.
Napkin AIA visual AI platform from the Osmo founding team: paste or import text and get editable infographics, flowcharts, mind maps, and data charts in 60+ languages, with PNG/PDF/PPT/SVG export; Napkin Slides (beta) adds AI presentations.
Kling AIKuaishou's AI video generation platform: text-to-video, image-to-video, native 4K, motion transfer and digital humans in browser and mobile apps, plus a per-second API. Launched June 2024; 100M+ users as of June 2026.
FlowithInfinite-canvas AI workspace by a Shanghai team: branchable multi-thread chats and multimodal generation with 40+ models from OpenAI, Anthropic, Google and more, plus the Agent Neo creative agent. Free tier, credit-based.
RecraftLondon-based AI design platform: its models generate raster images and editable SVGs with brand-style control, mockups, and editing. Launched 2023; current family V4.1. Free-tier output is public and non-commercial; paid from $12/month.
LovartAI design agent from the LiblibAI/Evoken team: a one-line brief is routed across 30+ models to deliver brand, graphic, and video assets on an infinite canvas. Beta May 2025, public July 2025; paid plans include a commercial license.
Luma Dream MachineLuma AI's creative platform: in-house Ray video models with multi-keyframe camera control, 1080p and 16-bit HDR/EXR output, and video modification, plus third-party models like Veo and Kling. Launched June 2024; Plus from $30/month.
FramerNo-code website platform from Amsterdam-based Framer: design on a Figma-like canvas and publish directly, with CMS, hosting, analytics, and A/B testing built in; in 2026 it centers on in-canvas AI design agents. Paid sites from $10/month.
IdeogramAI text-to-image platform from Toronto's Ideogram AI, known for accurate, legible text inside generated images — posters, logos, layouts, e-commerce visuals. 4.0 ships open weights; free tier, paid plans from $20/month, plus API and MCP.
RiveRive is an interactive animation platform: a web editor for design, animation and state-machine logic, plus MIT open-source runtimes playing .riv files on iOS, Android, web, Flutter, Unity, Unreal. Free editor; exports from $9/seat/month.
PixsoOnline UI design and prototyping platform by Shenzhen-based Bosi Yunchuang (Wondershare ecosystem). Whiteboard, design, prototype and handoff in one workspace, with Figma/Sketch import and an AI assistant. Free tier.
KittlA browser-based design platform from Berlin built around advanced typography, real vector editing and print-ready export, with token-billed AI generation. The free plan is personal-use only.Explore the World
9 websites
OpenStreetMapOpenStreetMap (OSM) is a free, editable map of the world built by volunteers, with all data published under the open ODbL license. The official site is a reference map, a search and routing tool, and the gateway to the data.
WindyWindy is an interactive global weather visualization platform from a Czech team, layering wind, radar, satellite and air quality on an animated map, with ECMWF, GFS and ICON model comparison. Core features are free, no account required.
earthAn animated globe by Tokyo engineer Cameron Beccario, online since 2013, that turns NOAA, NASA and Copernicus forecasts into flowing maps of wind, temperature, pressure, currents, waves, aerosols and aurora, zoomable to city level.
Flightradar24A Swedish flight-tracking service that plots live air traffic on a map using a crowdsourced network of 55,000+ ADS-B receivers plus satellite and radar data. Free to use, with paid tiers for longer history and aviation weather layers.
Atlas ObscuraA US travel and exploration platform founded in 2009 that catalogs 30,000+ hidden places and unusual foods through community submissions vetted by editors, plus paid small-group trips, events, and a membership program.
MarineTrafficGlobal real-time vessel tracking platform built on AIS, launched in 2007 as a University of the Aegean project and acquired by Kpler in 2023; live positions and the vessel database are free, satellite AIS and track history are paid.
WikivoyageFree, volunteer-written travel guide hosted by the Wikimedia Foundation, covering destinations, itineraries, and phrasebooks anyone can edit. Forked from Wikitravel in 2006, a Wikimedia project since 2013, in 27 language editions.
NumbeoA crowdsourced cost-of-living and quality-of-life database launched in 2009, covering prices, rents and purchasing-power indices for 12,000+ cities. Free to browse with a comparison tool and paid API; data is not official statistics.Developer Tools
19 websites
Can I UseA free reference for checking browser support of front-end web technologies, with per-version support tables, usage statistics, known issues and openly licensed data.
Hugging FaceCommunity platform hosting open AI models, datasets, and demo apps, with roughly 3 million public model repositories plus on-demand inference APIs and GPU compute.
ObservableObservable is a browser-based platform for data visualization and reactive notebooks, co-founded by D3.js creator Mike Bostock. Build and share interactive data documents with JavaScript, Markdown, and SQL.
IT ToolsAn open-source, free collection of 86 online tools for developers and IT professionals: hashing, encoding, format conversion and network calculators, all running in the browser. No signup; self-hostable via one Docker command.
GitHubThe largest code-hosting and collaboration platform, launched in April 2008 and a Microsoft subsidiary since 2018; as of 2026-09-02 it serves 225M+ developers and 800M+ repositories, with free repos plus Actions and Copilot.
Stack OverflowThe Q&A site for programmers, created in 2008 by Jeff Atwood and Joel Spolsky and acquired by Prosus in 2021; voting, reputation, and accepted answers have archived 24M+ programming questions under CC BY-SA.
Hacker NewsY Combinator's technology news community, created by Paul Graham in 2007, where users submit links and text posts that are ranked by votes and time decay; known for its minimalist interface and reading without registration.
RSSHubAn open-source RSS generator created by DIYgod in 2018 that turns websites without native feeds into standard RSS sources; the code is on GitHub under AGPL-3.0, with an official demo instance and encouragement to self-host.
MDN Web DocsFree, open-source web platform documentation maintained by Mozilla: HTML, CSS, JavaScript, Web APIs, and HTTP, with per-page browser compatibility tables. Online since 2005, edited on GitHub with Open Web Docs and volunteers.
roadmap.shA community-maintained collection of developer learning roadmaps: 80+ career and technology paths as clickable skill trees, each node pairing a brief with curated links; free, with content updates flowing through a public GitHub repository.
LovableSwedish AI app builder ("vibe coding"): describe an app in natural language and it generates a full-stack web app with frontend, database, auth, and hosting — real code you can sync to GitHub. Launched November 2024 by Lovable Labs.
n8nA workflow automation and AI agent orchestration platform from Berlin's n8n GmbH: wire apps, databases, and LLMs on a visual node canvas, drop into JS/Python anywhere, self-host or use the cloud. Fair-code licensed (not open source).
v0Vercel's AI development platform: describe an app in natural language or upload a design, and it generates a full-stack Next.js/React web app you can edit, sync to GitHub, and deploy to Vercel. Free plan; Plus $30/user/month.
WarpWarp is an open-source, Rust-based agentic development environment: a GPU-accelerated terminal with built-in AI coding agents and a code editor for macOS, Windows, and Linux. The terminal is free, no account needed; agents use credits.
CursorAnysphere's AI-native code editor: a VS Code fork with codebase-wide coding agents, Tab autocomplete, its own Composer model, a CLI and cloud agents. A SpaceX subsidiary since Aug 2026; free tier, paid from $20/mo.
SupabaseSupabase is an open-source Postgres backend platform (BaaS): a full database with auto REST/GraphQL APIs, plus auth, storage, realtime, edge functions, and vector search. Free tier; Pro from $25/org/month; Apache-2.0, self-hostable.
ZedZed is a fast, open-source code editor in Rust from Zed Industries, founded in 2021 by the creators of Atom and Tree-sitter. Built for speed, real-time multiplayer collaboration, and model-agnostic AI. Free editor; hosted AI from $10/month.
BoltBolt (bolt.new) is StackBlitz's in-browser AI full-stack app builder: an AI agent generates, runs, debugs, and deploys web apps from plain-language prompts on a real in-browser Node.js runtime. Free 1M tokens/month; Pro $25/month.
PlausibleOpen-source, privacy-first web analytics from Estonia's Plausible Insights — no cookies, no personal data, a lightweight script, pageview-based pricing, and a free self-hosted edition.Fun & Games
23 websites
Neal.funA collection of interactive web projects by American indie developer Neal Agarwal: dozens of free browser games and visual experiments such as The Password Game, Infinite Craft and The Deep Sea, all instantly playable with no account.
Online-Go.com (OGS)A free online Go (baduk) server in the browser: real-time and correspondence games, spectating and game study, roughly 59,000 user-made tsumego puzzles, an interactive beginner course and tournaments, with an AGPL-licensed web client.
LichessA free, ad-free, open-source online chess platform with games at every time control, 8 variants, tactical puzzles, engine analysis, tournament broadcasts and collaborative study tools, run by a French non-profit association.
GeoGuessrGeoGuessr drops players into a random Google Street View panorama and has them locate it on a world map using clues like road signs and license plates. Free accounts get only the Daily Challenge; other modes need a subscription.
Every Noise at OnceA music discovery site that maps Spotify's 6,291 genres as a clickable acoustic scatter plot — every genre name plays a sample and links to artist maps and playlists; the map has been a static snapshot since late 2023.
MusicBrainzAn open music encyclopedia run by the nonprofit MetaBrainz Foundation — a volunteer-maintained structured music metadata database whose core data is public domain (CC0), with a free API, full data downloads, and the Picard tagging app.
LetterboxdA New Zealand–founded social network for film lovers since 2011: log films in a diary, rate on a five-star scale with halves, write reviews, build lists, and check where to stream. Free with ads; Pro/Patron tiers remove ads and add stats.
Douban（豆瓣）A Chinese online database and interest community for books, films and music, launched in 2005, where user ratings and reviews aggregate on subject pages that anyone can browse without an account.
DiscogsA crowdsourced record database with an integrated second-hand marketplace, online since 2000; as of September 2026 it lists more than 19 million releases, plus collection tools, a public API, and CC0 data exports.
GoodreadsAmazon's social cataloging site for books, launched in 2007 and reporting more than 150 million members by 2023, known for bookshelves, ratings, reviews, and the annual Reading Challenge.
itch.ioAn open marketplace for indie games launched in 2013, where anyone can publish without approval, developers set the platform's own revenue share (0–100%, default 10%), and game jams are a core community ritual.
BandcampOnline record store and music community where artists and labels sell digital music, vinyl, CDs, cassettes, and merch directly to fans. Launched in 2008, it takes 15% on digital and 10% on physical sales; on average 82% reaches artists.
WhoSampledLondon-born database, launched in 2008, mapping how songs connect through samples, interpolations, covers, and remixes; entries are community-submitted and human-moderated, 1.37M+ songs as of 2026-09-02. Owned by Spotify since 2025.
MyAnimeListLaunched in 2004, MyAnimeList is the largest English-language anime and manga database and community: user-maintained entries, 1–10 scoring, twice-daily weighted rankings, and an official API. Owned by Tokyo-based Gaudiy since May 2025.
BoardGameGeekBoard game database and community launched in January 2000, built almost entirely by its users: 150,000+ games with ratings, reviews, and images for ~4 million registered users, plus the BGG Rank, the hobby's most cited leaderboard.
IMDbAmazon-owned database of movies, TV shows, video games and the people behind them, covering 12M+ titles and 16M+ names, best known for weighted user ratings and Top 250 charts. Free and ad-supported; most data is user-contributed.
SteamValve's PC game distribution platform, launched in 2003. The web store can be browsed without signing in, but playing requires the Steam client. Known for user reviews, Workshop, Community Market and a 14-day/2-hour refund policy.
ZhihuChina's largest Q&A-inspired content community (per the company), built around long-form answers, columns, roundtables, the paid Yanxuan membership and the Zhida AI search. Homepage and hot list require sign-in; Explore pages are public.
BackloggdA free video game tracker and review community run by a solo developer — log playthroughs, rate, review and build lists on IGDB data, 'Letterboxd for games.'
SerializdSerializd is a free indie TV-tracking community for shows only — per-episode ratings, reviews and lists, often called 'Letterboxd for TV.' Web, iOS and Android; data from TMDB.Cultural Heritage
11 websites
IMSLPA wiki-based library of public domain sheet music where volunteers submit scans and newly typeset editions that pass copyright review, with each file tagged separately for Canada, the US and the EU. Free to browse and download.
The Metropolitan Museum of Art CollectionThe online collection of The Met in New York: over 492,000 public-domain artwork images and metadata for the entire collection released under CC0, free to search and download, with a keyless open API and a weekly-updated CSV dataset.
Shidian GujiA free digital reading and editing platform for pre-modern Chinese books by Douyin Group (ByteDance) and Peking University, offering full-text search, page-image comparison and machine-assisted translation across 73,000+ titles.
LibriVoxA volunteer-narrated library of free public domain audiobooks, offering more than twenty thousand completed titles for streaming and download, with all recordings dedicated to the public domain in the United States.
Project GutenbergThe oldest eBook library on the Internet, founded in 1971, offering works whose U.S. copyright has expired — free, no registration, readable online or downloadable as EPUB, Kindle, and plain text.
Guwendao (formerly Gushiwen)A classical Chinese literature reference site founded in 2011 and renamed Guwendao in late 2025; it indexes poems, prose, classics, and famous lines with translations, annotations, and appreciations, free to read without an account.
Digital Dunhuang (数字敦煌)The Dunhuang Academy's official digitization project; its resource library freely publishes whole-cave high-resolution images and panoramas of 30 caves, alongside an open material library, in Chinese and English.
Chinese Text ProjectOpen-access digital library of premodern Chinese texts maintained by Donald Sturgeon since 2006: over 30,000 titles focused on pre-Qin and Han works, with aligned Chinese-English parallel texts, a dictionary, source scans, and an open API.
Standard EbooksVolunteer-driven project producing carefully typeset, proofread public domain ebooks from Project Gutenberg transcriptions with public domain cover art; every title is free in epub, azw3, and kepub, dedicated to the public domain.
Zdic (汉典)Free online Chinese dictionary launched in 2004: each entry combines the Kangxi Dictionary, Shuowen Jiezi, Mandarin Dictionary, phonology, dialects, and glyph origins on one page, plus classical text, poetry, and calligraphy sub-sites.
The StoryGraphAn independent UK reading tracker that recommends your next read from mood and pace data plus machine learning, with quarter-star ratings, reading stats, and spoiler-safe buddy reads; free and ad-free at its core, Plus for advanced stats.Science Exploration
4 websites
Stellarium WebThe browser-based edition of the open-source Stellarium planetarium: nothing to install, just open a page to see a real-time sky for any time and place, with planets, constellations, deep-sky objects, and upcoming celestial events.
iNaturalistA nonprofit citizen science platform for biodiversity: photograph wild species to get computer vision suggestions and community identifications; research-grade observations flow into databases such as GBIF. Free, with mobile apps.
NASA Eyes on the Solar SystemA browser-based 3D solar system simulation from NASA's Jet Propulsion Laboratory: driven by real mission data, it replays 150+ NASA mission trajectories from 1950 to 2050, free with no account; sibling apps cover asteroids and exoplanets.Health & Living
4 websites
MuscleWikiMuscleWiki is a free online exercise library. Click any muscle on its interactive body map to see matching exercises with short filmed video demos and step-by-step instructions — no account needed.
MSD Manuals (Consumer Version)The free online consumer edition of the MSD Manuals, a medical reference first published in 1899. Written and reviewed by medical experts, no registration or ads, with an official Chinese edition at msdmanuals.cn.
ExamineAn independent, evidence-based nutrition and supplement research database founded in 2011: researchers read the primary literature and grade supplement–outcome evidence A–F. No ads or industry funding; free base content, paid tiers.
StravaA US GPS workout tracker and social network for athletes, built around running, cycling, and 50+ sport types and best known for Segment leaderboards. Recording and community features are free; routes and analytics require a subscription.Career Development
3 websites
NowcoderA Chinese job-hunting prep platform for new graduates and programmers, combining real company written tests, online coding practice and contests, an interview-experience community, and campus recruiting info.
LeetCode China (力扣)LeetCode China (leetcode.cn) is the Chinese edition of the LeetCode online judge, offering thousands of algorithm problems, online judging, weekly contests, and company interview question banks in a Chinese-first interface and community.
Reactive ResumeA free, open-source (MIT) resume builder with no ads or tracking, offering 15 templates, 55 interface languages, an in-browser ATS checker, and job application tracking; self-hostable with Docker, AI features require your own API key.Shopping & Deals
2 websites
SMZDM (Shenme Zhide Mai)SMZDM (smzdm.com) is one of China's largest consumer decision communities and shopping-guide platforms, aggregating user-submitted deals, product reviews, and buying guides for Chinese e-commerce.
RTINGSAn independent Canadian review lab that buys every product it tests at retail and measures it against a public, versioned methodology across 28 categories; review text is free, full scores are members-only since March 2026.Social & Community
3 websites
BlueskyBluesky is a decentralized microblogging network from US public benefit corporation Bluesky Social PBC, built on the open AT Protocol: domain handles, an open feed marketplace, portable accounts. Free and ad-free; 44M+ users as of May 2026.
PartifulA free event-planning platform from New York's Partiful Co. — hosts share one link, guests RSVP by name and phone verification, no app needed. Google Play's Best App of 2024.
SubstackSubstack lets writers publish newsletters, podcasts and video for free and charge readers directly, taking a 10% cut of paid subscriptions. Creators own their content and mailing lists; both exportable.Design Inspiration
19 websites
AwwwardsA web design award platform run by Awwwards Online SL since 2009. An international jury scores submitted sites on design, usability, creativity, and content, up to Site of the Year. Browsing is free; submission is paid.
Lapa NinjaA landing page design archive curated since 2015, keeping 7,300+ real pages as full-page screenshots, scroll-through videos, and font and color metadata. Browsing and search are free; accounts add Boards, and Pro removes limits.
ReferoRefero is a reference library of real product interfaces: 142,000+ screenshots from 400+ web and iOS products, searchable by page type, user flow, UX pattern, and UI element.
DribbbleDribbble is a designer community launched in 2009 around bite-size "shots" of design work, with a freelance and job marketplace on top. Majority-owned by Tiny since 2017; browsing is free, publishing requires approval or an invite.
Checklist DesignA curated library of interface design checklists by designer George Hatzis, covering websites, web apps, mobile, design systems and flows. Free with no sign-up, plus a Figma plugin with AI reviews and an open-source AI agent skill.
Page FlowsA library of recorded user flows from 300+ real apps across iOS, Android, web and email, with step-by-step annotations and searchable screenshots. Some flows are free to watch; full access requires a subscription.
FWAFWA (Favourite Website Awards) is a UK website and digital creativity award naming one FWA of the Day since May 2000, via a 500+ member international jury voting on paid entries. Browsing is free; judging is watchable live.
SaaS Landing PageA gallery of SaaS landing page design run by Italian product designer Davide Pacilio, claiming 880 full-page screenshots filterable by page section, with fonts, color palettes, and tech stacks annotated. Free to browse.
SiteinspireA web design inspiration gallery personally curated by Daniel Howells since 2009, featuring over 8,000 real, live websites browsable by style, type, subject, and platform, with all entries selected on merit rather than payment.
LandingfolioA landing page design reference site by Danny Postma, run by Postcrafts (Singapore) since 2015: a curated gallery of real landing pages plus 800+ copy-paste Tailwind, Webflow and Figma components. Browsing is free; full access is paid.
HttpsterHand-picked web design inspiration gallery founded in 2012 by Dominic Whittle in Tasmania, Australia, favouring minimal, typographic and brutalist work. 3,116 sites as of 2026-09-21, browsable by style and type tags; free, no accounts.
Stack SortedA free web design inspiration library created in July 2023 by design YouTuber Juxtopposed. It catalogs specific UI elements — buttons, cards, hover effects — from real websites, some with CodePen links. Submissions via form or GitHub PRs.
Laws of UXA UX psychology reference by product designer Jon Yablonski: 30 psychology laws relevant to interface design as visual cards, each with design takeaways, real product examples, and cited academic origins. Free, in five languages.
CosmosCosmos is a visual-inspiration platform for saving images, links and notes into private or shared collections, with retrieval by color or visual similarity. Free, on web, iOS and Android.Website Builders
10 websites
WebflowA professional visual website builder by Webflow, Inc., launched in 2013. Design responsive sites on a browser canvas and publish to built-in hosting, with CMS, ecommerce and templates. Free to build; custom domains require a paid plan.
CarrdA no-code one-page website builder by US-based Carrd Inc., launched in 2016. Start from 300+ responsive templates or a blank page, then publish to a Carrd subdomain or your own domain. Free for up to three sites; Pro from $9/year.
SoftrA no-code business app builder by Berlin-based Softr Platforms GmbH, launched in 2020. Turns Airtable, Sheets, Notion or its native database into portals and internal tools with login and permissions. Free plan; paid from $19/month.
GlideA no-code app platform by US company typeguard, Inc., launched in 2019. Turns spreadsheets and business data into mobile and desktop web apps. Two product lines: AI-driven GlideOS and Glide Classic, both with free tiers.
RelumeAn AI website builder by Australian company Relume Tech. A brief becomes sitemap, wireframes and style guide, assembled from 1,000+ human-made components. Export to Figma, Webflow or React, or publish on Relume. Free plan available.
TypedreamA no-code website builder with a Notion-style editor (type "/" to insert blocks) for landing pages, blogs, link-in-bio and digital sales. Founded in 2021 by an Indonesian YC W20 team; acquired by beehiiv in 2024, still operating.
YcodeA visual website builder and CMS by Ycode, Inc., open-sourced under MIT in 2026. Self-host the full feature set free on Vercel + Supabase, or pay per project for Ycode Cloud. Built-in database, multilingual sites, forms and a BYOK AI agent.
WegicA conversational AI website builder launched in 2024 by the Instant Design team. Describe your business to generate a multi-page responsive site, with hosting, form collection, SEO tools and paid code export. 100 free signup credits.
MixoAn AI website builder by Australian company FuzzyLogic Labs, launched in 2022. One sentence generates a complete site with pages, copy and forms, plus enquiry management and AI writing. Free one-page plan; paid from $20/month.
ReadymagA browser-based no-code design tool by Readymag Inc., launched in 2013. Freeform canvas, precise typography and interaction effects suit portfolios and editorial sites. Free plan publishes one site; custom domains need a subscription.