Multithreaded, Postgres-based, Active Job backend for Ruby on Rails.

A powerful little TUI framework 🏗

🔥 🔥 🔥 Open Source Airtable Alternative

The headless rich text editor framework for web artisans.

Versioned database views for Rails

Easy to maintain open source documentation websites.

Master programming by recreating your favorite technologies from scratch.

iTerm2 is a terminal emulator for Mac OS X that does amazing things.

Optimized Docker image for Rails applications

Automatic headphone equalization from frequency responses

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.

High performance, minimalist Go web framework

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

Diablo devolved - magic behind the 1996 computer game

The React Framework

Extendable version manager with support for Ruby, Node.js, Elixir, Erlang & more

An open autonomous driving platform

All sorts of useful information about every country packaged as convenient little country objects. It includes data from ISO 3166 (countries and states/subdivisions ), ISO 4217 (currency), and E.16…

No Longer Maintained - A lightning fast JSON:API serializer for Ruby Objects.

Sampling CPU profiler for Ruby

A library for bulk insertion of data into your database using ActiveRecord.

Solidity, the Smart Contract Programming Language

Go implementation of the Ethereum protocol

Elm's core libraries

A modest JavaScript framework for the HTML you already have

Fast, Nimble PDF Writer for Ruby

A modern editor with a backend written in Rust.

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.