• UI and React
  • react-use andlibreact — lots of React hooks and utility components.
  • nano-css andnano-theme — the fastest and smallest CSS-in-JS library with lots of plugins (successor offreestyler).
  • react-embed — embed social widgets in your React app.
  • use-media — CSS media queries through React hook.
  • react-simple-player — a minimalistic audio player React component.
  • clickable-json — JSON viewer and editor with hoverable and clickable objects.
  • flexible-input — React<input> and<textarea> components which stretch to fit the content.
  • awesome-styleguides — index of style guides and design systems.
  • code-colors andcode-colors-react — code syntax highlighting libraries.
  • use-t — a small internationalization library for React.
  • iconista — 100,000 free SVG icons, available on CDN and packaged as a React component.
  • react-router-lite — a lightweight React router.
• Filesystem
  • memfs — a virtual filesystem for Node.js and browser, plus OPFS file system helpers.
  • unionfs — creates a union of multiple filesystem volumes.
  • fs-monkey — monkey-patches Node'sfs module andrequire function.
  • linkfs — redirects filesystem paths.
  • spyfs — spies on filesystem actions.
• Collaborative editing
  • json-joy, aJSON CRDT implementation and collection of JSON awesomeness.
    • json-joy/json-crdt — the fastest list CRDT implementation in JavaScript.
    • json-joy/json-patch — very fast JSON Patch (and JSON Pointer) implementation in JavaScript.
  • collaborative-editor — General JSON CRDTstr node sychnonization with any editor.
  • collaborative-input — React<input> and<textarea> components with JSON CRDT real-time collaboration support.
  • collaborative-ace — JSON CRDT real-time collaboration bindings for Ace editor.
  • collaborative-monaco — JSON CRDT real-time collaboration bindings for the Monaco editor.
  • collaborative-codemirror — JSON CRDT real-time collaboration bindings for the CodeMirror editor.
  • json-pointer — JSON Pointer (RFC 6901) implementation with JIT compilation.
• CLI tools
  • git-cz —feat: 🎸 emoji-fied Git commits
  • json-type-cli — type-safe request/response CLI too builder.
  • cross-ci — env var normalization across CI/CD services.
• Data structures, algorithms, and utilities
  • sonic-forest — very fast AVL, Red-Black, Splay, and Radix tree implementations in JavaScript.
  • thingies — a collection of useful TypeScript utilities.
  • json-expression — JSON Expression implementation with JIT compilation.
  • json-type — JSON Type implementation: type-safe JSON schema builder, validator, parser.
  • json-random — collection tools to generate random JSON.
  • rx-use — useful RxJS observables for web apps.
  • tree-dump — utility to easily print tree-like structures.
  • pojo-dump — nicely prints JSON (or POJO) for human consumption.
  • buffers — essential browser and Node.js buffer tools.
• Parsing
  • json-pack — the fastest CBOR, MessagePack, RESP3, UBJSON, JSON, and Bencode codecs in plain JavaScript.
  • jit-router — the fastest HTTP router in JavaScript.
  • very-small-parser — small Markdown and HTML parser and formatter.
    • Supersedesmd-mdast — extremely small and fast Markdown to MDAST parser.
  • base64 — the fastest Base64 encoder and decoder for browser and Node.js.
  • mdast-flat — MDAST format to flat-MDAST converter.
  • jit-parser — PEG recursive descent backtracking JIT parser generator.
  • mqtt-codec — the fastest MQTT packet parser for Node.js.
• Low-level, Server & Networking
  • codegen — JIT code generation tools for JavaScript.
  • ass-js 🧪💥experimental — X86_64 assembler compiler in JavaScript.
  • reactive-rpc 🧪💥experimental — a very fast and type safeJSON Reactive RPC server and client.
  • redis-joy 🧪💥experimental — a very fast Redis 7+ RESP3 standalone and cluster client.
  • node-multicore 🧪💥experimental — PoC of a very fast thread pool for Node.js.
• Specifications
  • specJSON CRDT — Full JSON implementation as a CRDT (Conflict-free Replicated Datatype).
  • specJSON CRDT Patch — The patch format for JSON CRDT.
  • specJSON Expression — s-expression specification for JSON.
  • specJSON Reactive RPC — JSON Reactive RPC protocol (RPC with server push) implementation.
  • encodingCompact JSON — A compactTuple-Type-Value (TTV) encoding for JSON.
• Blog posts
  • blogCollaborative Text Editors (Part 2): Plain Text Synchronization
  • blogCollaborative Text Editors (Part 1): Prelude
  • blogFuzz Testing RGA CRDT
  • blogBenchmarking JSON Serialization Codecs
  • blogList CRDT Benchmarks
  • blogBlazing Fast List CRDT
• Myrandom notes
  • noteProgramming
  • noteJavaScript
  • noteCollaborative editing
  • noteFunny GitHub profiles

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