Va Da

React Hooks — 👍

Collection of useful React components

Node.js "fs" and browser "File System API" adapters and in-memory implementations 👍

Semantic Git commits

A curated list of UI styleguides — 😎💄

json-joy is a library that implements cutting-edge real-time and collaborative editing algorithms and utilities for JSON data models, with a focus on developing the JSON CRDT (Conflict-free Replicated Data Type) specification and implementation.

useMedia React hook to track CSS media query state

Distilled CSS-in-JS for gourmet developers

5th generation CSS-in-JS library

Embed 3rd party widgets

Use multiple fs modules at once

Assembler.js — X86_64 and Ethereum

Monkey-patches for file system related things

A curated list of CSS animation resources

Easing functions in TypeScript

Rewrite file system `fs` paths

libc implemented in JavaScript

Kitchen sink of helpful utilities.

Node.js exo-kernel dream - proposal

Node filesystem spies and mocks

POSIX/Linux/Mac system calls and low level operations for Node.js

🗺 Translations with React hooks

Better JSX for busy developers

Bamboo - Node.js clone in pure JavaScript

Universal Component Interface - FaCC, render prop, component prop, prop injection, HOC, decorator

Example of how to use memfs with webpack

Interactive JSON and JSON CRDT editing and viewing React components

react-media hook

Small, no dependencies, Markdown, HTML, and inline CSS parser. Just 4KB, available as ESM module from CDN.

High performance tree and sorted map implementations for JavaScript in TypeScript

Autosizing <input> and <textarea> elements, which expand and shrink to fit contents

Fast tiny Markdown to MDAST parser

20K+ SVG icons from 20+ icon sets in one NPM install in one React component

RxJS DOM sensors

Lightweight React audio player component

Life-cycles for React DOM elements

Useful scripts and tricks for continuous integration

Fastest JSON deep clone implementation

Distilled Redux for gourmet developers

Travis, CircleCI, et. al. env vars normalized

Simple console tree printing helpers

Very fast base-36 ID generator and random integer generator for Node.js

one timer for all setInterval() with identical ms delay

Micro- and Macro-tasks for Node and browsers

JavaScript Shell

Template string accessors to the selector rescue

Collaborative editing support for Monaco editor. Binds JSON CRDT "str" node to a Monaco editor instance.

Fast JSON.stringify with schema

Interactive CLI for semantic Git commit messages.

Typesafe Stripe for browser

TypeScript type for JSON-in-a-string

Simple state containers for your services and React apps

Code syntax highlighting React component

Code syntax highlighting for the web

JSON CRDT document sample change traces in JSON CRDT Patch format, for testing and benchmarking

JSON CRDT bindings for Quill rich-text editor, with React suppport

JSON CRDT "str" node binding to any generic plain text editor UI.

Collaboration-enabled HTML text editing elements: <input> and <textarea>

Codemirror support for collaborative editing using JSON CRDT

Simple plain text encryption/decryption with password

CSS theming for web apps

Fastest stable JSON stringifier

Flat version of MDAST format

Fast and mean Redis 7+ cluster client written in TypeScript which supports RESP3 protocol

No description.

Proofread your Redux sagas.

Print JSON (or any POJO) to a nicely formatted human-readable text

Collaborative editing support for Ace editor

C/C++ structs in Node.js

No description.

Run upstream VS Code on a remote machine with access through a modern web browser from any device, anywhere.

Node `fs` API in browser on top of OPFS

RPC event based router for JavaScript bi-directional messaging

Collection of configs for Node.js and React projects

cpuid x86 in JavaScript

Delightful multicore programming in Node.js

Simple UUID for browser without crypto dependency

fs.js in pure JavaScript

Simple XML/HTML in JavaScript

Converts a GLOB pattern to JavaScript RegExp

A multi cursor module for Quill text editor.

Isomorphic Uint8Array conversion to Base64 string and back for browser and Node.js

Execute machine code in your Buffer

UTF8 % bar for terminal

No description.

Appwrite is a secure end-to-end backend server for Web, Mobile, and Flutter developers that is packaged as a set of Docker containers for easy deployment 🚀

Jupiter Terminal is an open-sourced, lite version of Jupiter that provides end-to-end swap flow by linking it in your HTML.

Simple reimplementation of the diamond types sequence CRDT in simple, pure, unoptimized typescript.

Real world text editing traces for benchmarking CRDT and Rope data structures

...

Package your node.js or browser apps into a sigle .js file

Convert svg text element to path

Open source concentrated liquidity AMM contract on Solana

No description.

✂️ Generates an image from a DOM node using HTML5 canvas and SVG.

an introduction to the javascript programming language. intended audience: cats

Safely serialize JavaScript expressions to a superset of JSON, which includes Dates, BigInts, and more.

A distributed, serverless, peer-to-peer chat application on IPFS

Default identity provider for OrbitDB

data syncing, storage, and collaboration. that works

CSS for P4

Get first available local IP address

A javascript text differencing implementation.

Node addon for string extraction for msgpackr

machine-readable data for https://awesome-selfhosted.net

A curated list of awesome Web Components resources.

A collection of awesome CRDT resources

Curated List of React Components & Libraries.

A curated list of awesome WYSIWYG Editors.

Useful Links for Everything related to LocalFirst

A collection of awesome local-first projects including offline-first and collaboration functionality

For contributing to upcoming newsletter issues.

Landing page kit built with React, Shadcn/ui and Tailwind that you can copy/paste into your project.

Bash for Agents

Open Source Alternative to Vercel, Netlify and Heroku.

React Virtual Keyboard - Customizable, responsive and lightweight

An engine for symbolic manipulation and numeric evaluation of math formulas expressed with MathJSON

Decompressors for hyparquet

Web components for math display and input

Parse and evaluate MS Excel formula in javascript.

A reasonably safe JSON Schema validator with draft-04/06/07/2019-09 support.

A completely customizable framework for building rich text editors. (Currently in beta.)

Convert an image to ANSI colour codes using JavaScript.

Easily generate and modify .docx files with JS/TS with a nice declarative API. Works for Node and on the Browser.

Collection of extracted System Prompts from popular chatbots like ChatGPT, Claude & Gemini

Extract and compare system prompts and tools from different Claude Code versions

JavaScript AST interpreter for sandboxed execution

The contents of /mnt/skills in Claude's code interpreter environment

FUSE bindings for Go

ThreadsStyling tslint and prettier configs

A pluggable WebDAV, CardDAV, and CalDAV server for Node.js and Express.

TypeScript template for a browser/server NPM package

TypeScript class for RPC errors

A React component for resizable split views

TypeScript template for craeting JSON Type CLI tools

Offline speech recognition API for Android, iOS, Raspberry Pi and servers with Python, Java, C# and Node

A speech recognition library running in the browser thanks to a WebAssembly build of Vosk

Copilot Chat extension for VS Code

The headless editor framework for web artisans.

ProseMirror's document model

Build your personal knowledge base with Trilium Notes

A rich-text editor powered by AI

Basic schema elements for ProseMirror

Editing commands for ProseMirror

ProseMirror document transformations

ProseMirror editor state

ProseMirror's view component

Read and write OpenType fonts using JavaScript.

A tiny little drawing app.

A javascript standard data structure library which benchmark against C++ STL.

A crisp set of 15×15 icons designed by the @workos team.

A tiny little drawing app. This is the original 2021-2022 version, released under MIT.

No description.

Bare wrapper for OS syscalls

Small and modular JavaScript runtime for desktop and mobile

Eclipse Mosquitto - An open source MQTT broker

Red-Black tree (WIP)

Encode a big binary blob to a loop of QR codes

Draw pictures using a pen, touchscreen, or mouse! JS-draw is a freehand drawing library for JavaScript and TypeScript.

This is a decompiled version of DynamoDB Local (A local version of Dynamodb built on SQLite). It can be useful for learning purposes.

A compact AWS client and signing utility for modern JS environments

Signs and prepares Node.js requests using AWS Signature Version 4

No description.

No description.

Raydium Frontend V2

A list of various resources for local-first web development

Config files and build tooling

Rx observables as request/response payloads over WebSocket or HTTP

Open edX Learning Object Repository

A module that exports all available Redis commands and their supported Redis versions.

Generates CRC hashes for strings - for use by Node Redis clients to determine key slots.

No description.

Yjs multiplayer implementation on tldraw v1 (POC)

A fast Javascript string diff

An example of using tldraw together with yjs.

Fractional Indexing in JavaScript

Peer-to-Peer Databases for the Decentralized Web

Ultra-fast CBOR encoder/decoder with extensions for records and structural cloning

The world's fastest CRDT. WIP.

Liveblocks is a real-time collaboration infrastructure for developers.

Pretty-print your JSON in Ruby, JS, or Lua with more power than JSON.stringify or JSON.pretty_generate

json-joy port to Ruby

dag-cbor codec for IPLD

Draw perfect arrows between points and shapes.

Perfect interpolation for multiplayer cursors.

This repository aims to benchmark each msgpack implementation for JavaScript.

node messenger abstranctions: Server, Client, Transport, etc.

JSON codec accelerator for Node.js

No description.

Lexicographically-ordered position strings for collaborative lists and text

🌌 Fast, in-memory, typo-tolerant, full-text search engine written in TypeScript.

No description.

No description.

μWebSockets for Node.js back-ends :metal:

The fastest way to layout wrapped text on a HTML5 canvas

An implementation of IPFS in JavaScript

Secure & isolated JS environments for nodejs

markdown-it executed in worker threads

markdown-it js library rewritten in rust

The Y.js WebSocket backend