← Catalog
Libraries
Frameworks and engines you import, not dashboards you rent.
91 tools · 84 open-source
- HonoTiny TypeScript web framework that runs on every runtime32.6k
- PhaserMIT HTML5 2D game framework with scenes, physics, and tilemaps40.5k
- PixiJSMIT 2D WebGPU/WebGL renderer, not a game engine48.4k
- Babylon.jsApache-2.0 3D engine for the web, now on v926.2k
- PlayCanvasMIT WebGL2/WebGPU engine plus an optional hosted Editor17.1k
- ColyseusMIT Node multiplayer rooms with state sync7.4k
- KAPLAYMIT successor to Kaboom for playground-first 2D games1.8k
- oRPCMIT end-to-end typed TypeScript RPC5.7k
- Matter.jsMIT 2D rigid-body physics, not a Phaser replacement18.5k
- melonJSMIT 2D engine: WebGPU to WebGL2 to Canvas AUTO, zero deps6.4k
- Tone.jsMIT Web Audio: synths, Transport, effects, sample-accurate14.8k
- RapierApache-2.0 Rust/WASM physics: 2D+3D, joints, SIMD5.9k
- Pion WebRTCMIT embeddable Go WebRTC library — not a rooms product16.9k
- DefoldSource-available Lua game engine; forever free, not OSI Open Source6.4k
- Cute Frameworkzlib/Unlicense C/C++ native-first framework + Emscripten853
- GodotMIT engine with HTML5/Wasm+WebGL2; Compatibility mode for embeds119k
- HeapsMIT Haxe+HashLink engine; HTML5/WebGL; Dead Cells stack3.5k
- raylibzlib/libpng C game library + Emscripten web35.3k
- GDevelopMIT event/no-code engine + HTML5; Pro required above $50k revenue27.8k
- matrix-js-sdkApache-2.0 Matrix client library — needs a homeserver2.2k
- RPG-JSMIT browser RPG/MMORPG TypeScript framework; Free Engine $01.7k
- OxcMIT Rust JS/TS toolchain: parser, linter, and friends23.1k
- DenoMIT TypeScript runtime forever; Deploy free tier is real but separate109k
- Galacean EngineMIT Ant Group TypeScript WebGL engine + browser Editor5.9k
- Excalibur.jsBSD-2 TypeScript 2D HTML5 game engine; free forever2.4k
- ViteMIT next-gen frontend tooling — dev server + build83.4k
- ZodMIT TypeScript-first schema validation with static type inference44.2k
- BunMIT JS runtime + install + test + bundle (JSC linked)96.3k
- TanStack QueryMIT server-state cache for async data (React Query lineage)50.5k
- pnpmMIT content-addressable Node pkg manager36.9k
- VitestMIT Vite-native unit/integration test runner17.3k
- AstroMIT content-first web framework with islands63.4k
- PlaywrightApache-2.0 cross-browser library and CLI98.2k
- SvelteKitMIT full-stack Svelte framework20.9k
- fzfMIT command-line fuzzy finder83.7k
- ElysiaMIT ergonomic Bun-first web framework19.3k
- TurborepoMIT Rust monorepo build system (JS/TS)31.2k
- ThrelteMIT Three.js framework for Svelte3.4k
- Theatre.jsApache-2.0 motion design editor for the web12.8k
- RiveMIT Wasm/JS runtime for interactive Rive animations1k
- BullMQMIT Redis-backed Node job queue vs Inngest/Trigger/Temporal SaaS9.5k
- NuxtMIT full-stack Vue metaframework with Nitro61k
- BrunoMIT git-native API client; Pro/Ultimate are optional seats47.8k
- Lightning CSSMPL-2.0 CSS parser, transformer, and minifier in Rust7.7k
- HoppscotchMIT web-first open-source API client ecosystem80.7k
- TypstApache-2.0 markup typesetter — LaTeX power, faster feedback56.7k
- NakamaApache-2.0 full game backend — auth, storage, matchmaking, chat13.5k
- MQTT.jsMIT Node + browser MQTT client — needs a broker9.1k
- KnipISC unused files, deps, and exports finder for JS/TS12.5k
- htmx0BSD HTML-over-the-wire — AJAX/SSE/WS as attributes49.6k
- ValibotMIT modular TypeScript schemas — tiny bundle vs Zod9k
- EffectMIT production TypeScript toolkit — typed errors & concurrency17.3k
- HyperFramesHTML + CSS + seekable animation → deterministic MP4, built for agents68.6k
- VoiceboxLocal-first OSS voice studio — clone, TTS, dictate, MCP voice for agents58.1k
- json-renderVercel Labs generative UI framework with safe predefined components18.7k
- Paperless-ngxGPL-3 document management — scan, OCR, tag, and full-text search46.9k
- gutcheckMIT semantic grep — filter lines with a local CPU model14
- scriptcApache-2.0 AOT TypeScript/JS → native (IR/C/LLVM/Wasm)6.3k
- ShadersMIT WebGPU effects as components — React, Vue, Svelte, Solid, plain JS5.2k
- Video.jsApache-2.0 media player framework for HTML and React — v10 is a modular rewrite40k
- CrawleeApache-2.0 Node.js crawling and scraping library from Apify, HTTP or headless browser26.2k
- HandyMIT offline push-to-talk dictation for any text field — Whisper or Parakeet, nothing leaves your machine34.2k
- Bubble TeaMIT Go framework for terminal UIs, built on The Elm Architecture — the engine under a lot of modern CLIs45.5k
- chiMIT minimal Go HTTP router built on net/http23k
- go-zeroMIT Go web and RPC framework with goctl code generation33.4k
- esbuildMIT Go bundler and minifier for JavaScript, TypeScript and CSS40.1k
- Native SDKVercel Labs toolkit that compiles TypeScript desktop apps to native binaries7.8k
- ODiffMIT SIMD image diff for screenshot and visual-regression tests3.3k
- ExpoMIT platform for React Native apps on iOS, Android and web52.9k
- Dear ImGuiMIT bloat-free immediate-mode GUI for C++ tools76.8k
- libGDXApache-2.0 cross-platform Java game framework25.5k
- EbitengineApache-2.0 dead simple 2D game engine for Go13.6k
- EnTTMIT header-only C++ entity component system13.2k
- boardgame.ioMIT engine for turn-based multiplayer JS games12.5k
- Jolt PhysicsMIT multi-core rigid body physics for games and VR11.8k
- FlameMIT game engine built on Flutter and Dart10.8k
- StrideMIT C# game engine with an editor, rendering and VR7.9k
- Redot EngineMIT community fork of Godot for 2D and 3D games6.1k
- LittleJSMIT tiny fast HTML5 game engine4.3k
- Solar2DMIT free 2D engine for mobile games and apps (ex Corona SDK)2.9k
- Apache CasbinApache-2.0 authorization library: ACL, RBAC, ABAC20.5k
- JSON CrackApache-2.0 JSON visualizer that turns data into graphs44.5k
- EchoMIT high-performance minimalist Go web framework32.8k
- wsMIT fast, tested WebSocket client and server for Node22.8k
- ExcelizeBSD-3 pure Go library to read and write Excel files21k
- KratosMIT Go framework for cloud-native microservices26k
- FlintMIT chart language and MCP server that turns short specs into polished charts4.4k
- bgfxBSD-2 cross-platform rendering library: bring your own engine17.6k
- FiberMIT Express-style web framework for Go, built on fasthttp40.2k
- urfave/cliMIT declarative package for building command-line tools in Go24.3k
- GinMIT HTTP web framework for Go with fast routing and middleware, built on net/http89.4k
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