Help out your favorite open source projects and become a better developer while doing it.

Single-cell analysis in Python. Scales to >1M cells.

Fast, secure, efficient backup program

Generate types and converters from JSON, Schema, and GraphQL

⚡ Building applications with LLMs through composability ⚡

The Twitch Enhancement Suite. Get custom emotes and tons of new features you'll never want to go without.

Joplin - the secure note taking and to-do app with synchronisation capabilities for Windows, macOS, Linux, Android and iOS.

A SwiftUI Mastodon client

🚀 10x easier, 🚀 140x lower storage cost, 🚀 high performance, 🚀 petabyte scale - Elasticsearch/Splunk/Datadog alternative for 🚀 (logs, metrics, traces, RUM, Error tracking, Session replay).

awesome window manager

A code-searching tool similar to ack, but faster.

Python package for earth-observing satellite data processing

Automatically generates Rust FFI bindings to C (and some C++) libraries.

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

Official haskell ide support via language server (LSP). Successor of ghcide & haskell-ide-engine.

Data validation using Python type hints

DNS over HTTPS / DNS over Tor / DNSCrypt client, WireGuard proxifier, firewall, and connection tracker for Android.

The user-friendly command line shell.

Ruby enVironment Manager (RVM)

Ruby enVironment Manager (RVM)

Open-source keyboard firmware for Atmel AVR and Arm USB families

🙃 A delightful community-driven (with 2,200+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an aut

:leaves: JavaScript library for mobile-friendly interactive maps

A delightful community-driven (with 1,000+ contributors) framework for managing your zsh configuration. Includes 200+ optional plugins (rails, git, OSX, hub, capistrano, brew, ant, php, python, etc), over 140 themes to spice up your morning, and an auto-u

Python packaging and dependency management made easy

Support for adding OAuth1(a) and OAuth2 features (consumer and provider) for Spring web applications.

Dapper - a simple object mapper for .Net

Data Apps & Dashboards for Python. No JavaScript Required.

A virtual machine for executing programs written in Hack.

The Cloud Native Application Proxy

Proof-of-Antiquity blockchain — vintage PowerPC hardware earns 2.5x mining rewards. Hardware fingerprinting, Solana bridge (wRTC), AI agent economy. Discord: https://discord.gg/VqVVS2CW9Q

:zap: Universal Workflow Orchestration Platform — Code in any language, run anywhere. 900+ plugins for data, infrastructure, and AI automation.

A scalable, distributed Time Series Database.

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

Background Music, a macOS audio utility: automatically pause your music, set individual apps' volumes and record system audio.

A modern Prolog implementation written mostly in Rust.

Web based translation tool with tight version control integration.

A Chaos Engineering Platform for Kubernetes.

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

Beautiful, Modern & Opinionated Linux

🔥🔥🔥AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.

An implementation of chunked, compressed, N-dimensional arrays for Python.

GenAI Agent Framework, the Pydantic way

Free and Open Source UI Library for Vue 3 🤘

A cross-platform, linkable library implementation of Git that you can use in your application.

Traccar GPS Tracking System

Modern CSS framework based on Flexbox

Source code of the recurrent donations platform Liberapay