The Block Editor project for WordPress and beyond. Plugin is available from the official repository.

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

Truly independent web browser

The official repository of Mozilla's Firefox web browser.

Turso is an in-process SQL database, compatible with SQLite.

MySQL/MariaDB database management for macOS

Servo aims to empower developers with a lightweight, high-performance alternative for embedding web technologies in applications.

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

Rust-based platform for the Web

API Documentation Browser

📑 Collaborative document editing using Markdown

Bitwarden client apps (web, browser extension, desktop, and cli).

A modern JavaScript utility library that's 2-3 times faster and up to 97% smaller—a major upgrade to lodash.

💻 Desktop sync client for Nextcloud

Bitwarden infrastructure/backend (API, database, Docker, etc).

AI You Control: Choose your models. Own your data. Eliminate vendor lock-in.

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

JPEG XL image format reference implementation

Clamping multiline text with ease.

Next generation frontend tooling. It's fast!

Valdi is a cross-platform UI framework that delivers native performance without sacrificing developer velocity.

Bitwarden mobile apps (Password Manager and Authenticator) for Android.

Communicate with an LLM provider using a single interface

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

web development for the rest of us

🍲 A library for all your recipes

Guardrails to support any-agent

JavaScript Style Guide