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

The open-source notification Inbox infrastructure. E-mail, SMS, Push and Slack Integrations.

An open source bike computer based on Raspberry Pi Zero (W, WH, 2W) with GPS and ANT+ support, as well as offline maps and navigation functions.

Simple, fast, safe, compiled language for developing maintainable software. Compiles itself in <1s with zero library dependencies. Supports automatic C => V translation. https://vlang.io

A fast, lightweight Minecraft server written in Kotlin

Create Minecraft servers with a powerful, stable, and high level JavaScript API.

Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.

Penpot: The open-source design tool for design and code collaboration

A cross-platform, OpenGL terminal emulator.

A terminal for a more modern age

Minecraft GUI library for Spigot, BungeeCord and Velocity. Powered by Protocolize v2!

A lightweight BungeeCord / Velocity protocol framework supporting items

🧩 The Browser Extension Framework

Your Hardcore Loop Machine.

Build forms in React, without the tears 😭

☄🌌️ The minimal, blazing-fast, and infinitely customizable prompt for any shell!

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

How to systematically secure anything: a repository about security engineering

Foundation™ helps you create highly customized Minecraft plugins (based on Spigot/Paper API) that support multiple MC versions.

Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

Minimalist Discord library for Crystal

Oraxen is a minecraft plugin that allows to easily use Minecraft 1.14 features in order to create new items with custom textures. It handles the resourcepack generation, upload (using Polymath) and…

10 Weeks, 20 Lessons, Data Science for All!

Library to store data in a better way

Stream VR games from your PC to your headset via Wi-Fi

Natural Language Processing (NLP) library for Crystal

Companion application for Elite Dangerous

The easiest HTTP networking library for Kotlin/Android

The perfect companion for your Kotlin journey - Inspired by functional, data-oriented and concurrent programming