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

The most scalable open-source MQTT broker for IoT, IIoT, and connected vehicles

FaultPlane: An open-source Go runtime that provides zero-code-intrusion state resilience for long-running AI agent workloads using transport-layer checkpoints and instant kernel failover.

3D BIM IFC Viewer SDK for AEC engineering applications. Open Source JavaScript Toolkit based on pure WebGL for top performance, real-world coordinates and full double precision

Easy, clean, reliable Python 2/3 compatibility

Web interface for MetaCPAN

A Photoshop PSD file parser for NodeJS and browsers

Embrace the APIs of the future. Hug aims to make developing APIs as simple as possible, but no simpler.

💊 Application to use ReVanced on Android

A rich text editor for everyday writing

Terraform provider to interact with Netbox

Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.

Gophercloud: an OpenStack SDK for Go

:books: The Open Source Discovery Service

Build a Jekyll blog in minutes, without touching the command line.

A decentralized bitcoin exchange network

OpenTelemetry Go API and SDK

Development Containers: Use a container as a full-featured development environment.

Deep Agents is an agent harness built on langchain and langgraph. Deep Agents are equipped with a planning tool, a filesystem backend, and the ability to spawn subagents - making them well-equipped to handle complex agentic tasks.

Create delightful software with Jupyter Notebooks

Jitsi Videobridge is a WebRTC compatible video router or SFU that lets build highly scalable video conferencing infrastructure (i.e., up to hundreds of conferences per server).

:alarm_clock: :watch: A simple library to easily manage rate limits of APIs without any hassles.

A plugin framework and application container with built-in extensibility mechanism :electric_plug:

Multi-LoRA inference server that scales to 1000s of fine-tuned LLMs

Ethereum.org is a primary online resource for the Ethereum community.

Delightful JavaScript Testing.

🧑‍🚀 An identity and access management (IAM) infrastructure with authentication, authorization, MFA, SSO, user management, and multi-tenancy features. Supports OAuth 2.0, OIDC, and SAML. No framework restrictions.

High-level library to help with training and evaluating neural networks in PyTorch flexibly and transparently.

E-Commerce Platform

The .NET MVVM framework for cross-platform solutions, including Xamarin.iOS, Xamarin.Android, Windows and Mac.

A curated list of awesome command-line frameworks, toolkits, guides and gizmos. Inspired by awesome-php.

Declarative routing for React

Winetricks is an easy way to work around problems in Wine

Turn (almost) any Python command line program into a full GUI application with one line

A curated list of python scripts for automating your tasks

Google Chromium, sans integration with Google

jQuery Mobile Framework

Trio – a friendly Python library for async concurrency and I/O

Get up and running with Kimi-K2.6, GLM-5.2, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

EssentialsX - A maintained fork of Essentials 2.x.

Wiki.js | A modern and powerful wiki app built on Node.js

⏱ A library for working with dates and times in JS

A simple LLM client for Emacs

Core part of NewPipe

Framework for quickly creating connected applications in Kotlin with minimal effort

Declarative routing for React

Orchid is a @laravel package that allows for rapid application development of back-office applications, admin/user panels, and dashboards.