The most customizable typing website with a minimalistic design and a ton of features. Test yourself in various modes, track your progress and improve your speed.

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Master programming by recreating your favorite technologies from scratch.

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

Get a full fake REST API with zero coding in less than 30 seconds (seriously)

📚 A collection of useful resources for building RESTful HTTP+JSON APIs.

API Documentation Browser

Build beautiful, interactive API Docs with embeddable React or Web Components, powered by OpenAPI and Markdown.

📘 OpenAPI/Swagger-generated API Reference Documentation

Cross-platform asynchronous I/O

Node.js JavaScript runtime ✨🐢🚀✨

Animation engine for explanatory math videos

Virtual whiteboard for sketching hand-drawn like diagrams

A repository to show off to the community methods of testing NestJS including Unit Tests, Integration Tests, E2E Tests, pipes, filters, interceptors, GraphQL, Mongo, TypeORM, and more!

Code Repository for Social Network Analysis 5th edition

Yorkie JavaScript SDK

Quill Editor binding for Yjs

The old-font that powered Excalidraw. Now replaced by Excalifont.

Elixir implementation of Delta, the JSON format for describing rich-text content and their changes

The AI Code Editor

Simple, tiny spec-compliant reference implementations of Yjs and Automerge's list types.

Performance tests for Automerge

Shared data types for building collaborative software

Make your JSON data collaborative and version-controlled with CRDTs

A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.

The official Vim repository

Visual Studio Code

music library manager and MusicBrainz tagger

A GUI and library to transfer, sync, and backup playlists on music streaming services