Ergonomic Framework for Humans

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

Mastra is the modern TypeScript framework for AI-powered applications and agents.

Instant is the best backend for AI-coded apps. You get auth, permissions, storage, presence, and streams — everything you need to ship apps your users will love.

Quasar Framework - Build high-performance VueJS user interfaces in record time

Python Backtesting library for trading strategies

Open-source Rust framework for building event-driven live-trading & backtesting systems

Vectorized backtester and trading engine for QuantRocket

modular quant framework.

🚀 💸 Easily build, backtest and deploy your algo in just a few lines of code. Trade stocks, cryptos, and forex across exchanges w/ one package.

bt - flexible backtesting for Python

Time series implementation for the Julia language focused on efficiency and flexibility

Algorithmic trading and backtesting framework in pure julia

Payments for Ruby on Rails apps

a truly censorship-resistant alternative to Twitter that has a chance of working

A block-style editor with clean JSON output

Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

Preline UI is an open-source set of prebuilt UI components based on the utility-first Tailwind CSS framework.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

Free Tailwind CSS v4 components for your next project, designed to enhance your web development with the latest features and styles 🚀

📖 An approachable introduction to Assembly.

A modern replacement for Redis and Memcached

A powerful, flexible, Markdown-based authoring framework.

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

Open-Source Platform for Deploying Static Apps

A Scalable, User-Friendly Source Control System.

High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.

GraalVM Dev Build Downloads

Twitter Text Libraries. This code is used at Twitter to tokenize and parse text to meet the expectations for what can be used on the platform.