Governed shared memory for AI agent fleets — multi-agent, multi-tenant, MCP-native. Trust tiers, keystone policies, audit trails, knowledge graph, self-improving retrieval. Apache 2.0.

Web based translation tool with tight version control integration.

An opensource identity and access management platform as an alternative to Auth0

A web-based tool to visualize popular sorting algorithms with animations, built using React and Material-UI.

PowerShell for every system!

OpenVINO™ is an open-source toolkit for optimizing and deploying AI inference.

Jupyter’s Next-Generation Notebook Interface.

Python implementation of OpenTelemetry, a working name of a combined OpenCensus and OpenTracing project. It provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

A framework for building native apps with React.

Finds and mechanically fixes what the MCP 2026-07-28 spec revision breaks in your server. 21 rules, 5 autofixers, and a graded board of real servers.

Production-Grade Container Scheduling and Management

A role-aware, permission-enforced benchmark for evaluating AI agents that operate HPC systems — SLURM job control, telemetry inspection, RBAC, documentation and facility tasks. Runs are trace-based and reproducible against deterministic environment snapshots, and a permission violation hard-fails the task rather than being scored as a near miss. Some environments are grounded in telemetry from a real production supercomputer.

AI-powered Moodle plugin for tutoring, quizzes, mind maps, RAG course materials and beginner-friendly open source contributions.

Consumable Data Structures and Algorithms library in JavaScript

Find and redact secrets that leak into AI coding agent histories, such as Claude Code sessions.

A Q&A platform software for teams and enterprises to launch community forum, knowledge base, and help center at ease.

Open-source alert management and workflow automation platform.

C compiler for the CLI platform

Open-source desktop Minecraft launcher for Windows and Linux with isolated instances, Modrinth, automatic Java, diagnostics, and safe backups.

Async MySQL ADO.NET library for .NET and .NET Core

Client libraries for Sentry, an error reporting and performance monitoring platform, for usage from .NET and popular application frameworks

open source, low-latency, high quality voice chat software primarily intended for use while gaming

Local-first, CRM-style web UI on top of the career-ops job-search pipeline — runs on 127.0.0.1, no cloud, no telemetry, no auto-submit. Vanilla HTML/CSS/JS.

A simple markdown viewer built with Python, designed for desktop users to open `.md` files directly.

Plone Aurora is the React frontend to Plone, a free and open source content management system that is used to create, edit, and manage digital content. Plone is an open source content management system that is used to create, edit, and manage digital content, like websites, intranets and custom solutions. It comes with over 20 years of growth, optimizations, and refinements. The result is a system trusted by governments, universities, businesses, and other organizations all over the world.

A C-inspired language for interaction with the shell.

A .NET port of the popular Java/Scala Akka Toolkit.

A curated, community-driven list of the best tech, software engineering, and developer marketing newsletters. Stay up-to-date with top-tier insights across AI, DevOps, Frontend, and more.

The free and open source social network for active citizenship.

Javascript database for traditional SQL queries. Smaller and faster alternative to sql.js

OpenID/Connect, OAuth2 and WS-Federation server based on IdentityServer4 or Duende IdentityServer with its admin UI

Implementations of SIMD instruction sets for systems which do not natively support them.

A dependency manager for .NET with support for NuGet packages and Git repositories.

Send files directly between devices over encrypted, serverless P2P WebRTC. No uploads, no signup.

icalendar parser library for Python

The .NET Compiler Platform ("Roslyn") provides open-source C# and Visual Basic compilers with rich code analysis APIs.

A beginner-friendly open source learning lab with a DevOps glossary that helps newcomers make their first real open source contribution.

A minimalist PDF creation library for Python

Fast, disk space efficient package manager

A lightweight but powerful source code editor which runs on your desktop and is available for Windows, macOS and Linux.

Collector for OpenTelemetry, a working name of a combined OpenCensus and OpenTracing project. It provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

An open source, cloud-native programming language optimized for integration.

🎥✨ A TikTok live streaming recorder tool written in Python. Capture and relive your favorite TikTok moments effortlessly. 🎥✨

A community-curated collection of simplified and example-driven man pages.

Theia is a cloud & desktop IDE framework implemented in TypeScript.

Entity Framework Core is a lightweight and extensible version of the popular Entity Framework data access technology.

🦀 An open source payments switch to make Payments fast, reliable, and affordable.

Realtime collaborative markdown notes

minimal wireframing css-framework

An interface-centric real-time communication engine to connect Things at the edge of the network and develop distribute embedded applications.

CLI-agnostic AI job-search automation - pipeline tracking, offer evaluation, CV generation, and zero-token job scanning

An open specification and runtime for representing, testing, and auditing the evidence, rules, exceptions, uncertainty, and escalation criteria behind AI-agent decisions.

Generation of diagram and flowchart from text in a similar manner as markdown

Kibana lets you visualize your Elasticsearch data and navigate the Elastic Stack so you can do anything from tracking query load to understanding the way requests flow through your apps.

A project designed to help you familiarize yourself with the open source contribution workflow on GitHub, as well as to help you learn the basics of programming in different languages.

Img2Num is a cross-platform library that converts raster images such as PNG and JPEG into clean, layered SVG paths. It is designed for high performance with WebGPU acceleration, minimal dependencies, cross-platform support, and bindings for multiple programming languages.

DevDisplay is the First Global Platform for Developers to Fulfill All Their Tech Needs. A paradise for developers, where they can Connect ▸ Collab ▸ Code ▸ Create ▸ Conquer — all in one place.

BuildCLI is a command-line interface (CLI) tool for managing and automating common tasks in Java project development.

JavaScript SDK for writing applications using Dapr

Maintain the translations of your documentation with ease (PO for anything)

Documentation for .NET

The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

A fast and efficient JVM that delivers power and performance when you need it most.

MyFinances is a web application that can help you as an individual, or team manage your finances! It utilizes the django framework for the backend.

API documentation for .NET

Build custom CRUD apps that talk to any API or database. All without HTML or CSS.

A book that teaches JavaScript

Open cloud security platform for AWS, Azure, GCP, Kubernetes, Github, M365 and more. Prowler performs security assessments and compliance checks with hundreds of built-in controls for security frameworks like CIS, NIST 800, NIST CSF, CISA, FedRAMP, PCI-DSS, GDPR, HIPAA, and more.

Distributed, high-performance SQL database

Execution-grounded semantic (Type-4) clone detection for JS/TS — finds functions that behave the same but are written differently, then runs them in a sandbox to prove which one is wrong.

A Loyalty Card & Ticket Manager for Android

A machine learning system that recommends optimal crops based on soil and weather metrics, featuring local SHAP explainability and interactive market profitability risk profiling.

C++ implementation of OpenTelemetry, a working name of a combined OpenCensus and OpenTracing project. It provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

A free, open source, community-focused unit testing tool for the .NET Framework.

The OpenTelemetry website and documentation. OpenTelemetry provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

Go bindings for Roc Toolkit (real-time audio streaming)

A web platform for disabled people to find and rate locations!

TypeScript is a superset of JavaScript that compiles to clean JavaScript. It adds static typing and next-level ECMAScript features to JavaScript.

A GitHub bot to automate repeatedly tasks

A faster Python type checker and language server written in Rust

Linux feed reader for GNOME/GTK

A convention-based object-object mapper.

Beginner-friendly open-source lab for practicing Git, GitHub, issues, pull requests, CI, and maintainer workflows.

Time zone add-on for moment.js

Open-source CLI that turns private git history into an NDA-safe skill credential. Metadata only, the code never leaves the machine. Many starter issues are one-line additions to a JSON signature database, no code required.

A private, in-browser AI summarizer for articles, videos, and PDFs. Runs entirely on-device via WebGPU or WebAssembly, or against your own local Ollama instance. No backend, no API keys, no cloud.

An open-source, nonprofit activism network

chroot, mount --bind, and binfmt_misc without privilege/setup for Linux

Zero-knowledge encrypted pastebin. Data is encrypted in the browser before it ever reaches the server.

This repo contains the curriculum of Techtonica, a tech training program for women and non-binary adults with low incomes.

Header-Only C++ Library for Graph Representation and Algorithms

A python framework accelerating Machine Learning based discovery in the medical field by encouraging code reuse.

Self-hosted iOS & Android simulator streaming so the whole team can test mobile apps directly from a browser, using the Mac you already own with no external cloud.

The free and open source solution for automated video capture and distribution at scale.

A smart launcher for Mac. Powered by JavaScript.

an open source layer that delivers resilience and manageability to object-storage based data lakes

A native macOS paint app in Swift. The raster engine, PaintKit, is a UI-free SwiftPM package with no third-party dependencies, so `git clone && swift test` runs the whole suite with the command-line toolchain alone. Contributors do not need Xcode, a GUI session, or a dependency resolve.

A search-engine for openly-licensed media, part of the WordPress project

The http://freeCodeCamp.com open source codebase and curriculum. Learn to code and help nonprofits.

Local-first CLI that classifies CI failure logs by root cause and suggests a fix, running fully offline so no data leaves your machine.

The CRM we wished existed - pipeline ops, follow-up discipline, and SDR visibility without enterprise pricing. React + Express + PostgreSQL.

Probably the most modern lightweight distributed farm of Vulnerable Applications built for handling wide range of vulnerabilities across tech stacks.

Keploy is a functional testing toolkit for developers. It generates E2E tests for APIs (KTests) along with mocks or stubs(KMocks) by recording real API calls. KTests can be imported as mocks for consumers and vice-versa.

A RESTful API server for vegeta, a load testing tool written in Go.

An open-source transport-layer data proxy providing zero-code-intrusion state checkpoints and instant kernel failovers for long-running AI agent workloads.

The OpenTelemetry .NET Contrib project. OpenTelemetry provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

An open source marketing automation platform.

Discord bot that securely links and verifies GitHub accounts with Discord accounts, with org/repo/team verification and automatic role sync.

Discord bot that watches BookMyShow and DMs you the moment tickets open. Self-hosted with one command, no API keys.

The next-generation project management platform

Design system for Kolibri Learning Platform (the offline app for universal education) and related projects

A fast line-by-line code for computing high-resolution infrared molecular spectra

Official TypeScript SDK for the Kakunin AI Agent KYC platform — issues X.509 certificates to AI agents, verifies scopes, and enforces them via drop-in middleware.

A daily-updated community curated directory of developer events taking place all over the world. It covers SaaS, DevOps, and AI events with dates, location, and registration links.

Core formulae for the Homebrew package manager

Transform your boring GitHub contribution grid into high-performance, shareable Cricket Player Cards! GitCric maps your developer activity (commits, pull requests, issues, streaks, and languages) into dynamic cricket ratings, custom specialties, and career statistics.

FreshRSS is a self-hosted RSS and Atom feed aggregator. It is lightweight, easy to work with, powerful, and customizable.

Deterministic orchestrator for 30+ CLI AI coding agents (Claude Code, Codex, Aider, Cursor, Goose, etc.). Git worktree isolation, HMAC audit trail, MCP server mode.

PHP implementation of OpenTelemetry, a working name of a combined OpenCensus and OpenTracing project. It provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

.NET implementation of OpenTelemetry, a working name of a combined OpenCensus and OpenTracing project. It provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

Consul - Open Government and E-Participation Web Software Edit

Stateful memory runtime for AI agents that enables persistent memory, context, and continuity across sessions.

JavaScript implementation of OpenTelemetry, a working name of a combined OpenCensus and OpenTracing project. It provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

A repository containing creative projects built using the turtle library in python

Browser extension and self-hosted FastAPI backend that tailor a resume and cover letter to a job posting using your own OpenAI, Claude or Gemini API key

Find original and updated publication dates of web pages using common patterns, heuristics and robust extraction

Short, unique IDs that carry a prefix telling you what they belong to — user_a1b2c3, order_9f8e7d. Readable, secure, and typed — for TypeScript and JavaScript alike.

The compiler for writing next generation JavaScript.

An open-source AI-powered learning platform with intelligent tutoring, adaptive assessments, and personalized study tools. Full-stack application with NestJS backend, React frontend, and Flutter mobile app.

OSS alternative to Google Authenticator & Authy

A cross-platform UI framework for .NET

KubeIntellect lets operators ask Kubernetes questions in plain English, gathers live evidence from cluster tools such as kubectl, Prometheus and Loki, and pauses for explicit human approval before destructive operations. It is a research system rather than a production-certified product: synthesized tools are validated and approval-gated, but currently execute in-process rather than in an isolated container. Python, FastAPI and LangGraph; AGPL-3.0.

Free, multilingual bereavement compliance checklist for families in Europe. Open-source data and web service.

Open source security software for Bootstrapping and Maintaining Trust

A safe home for all your data

Open-source observability for LLMs, based on OpenTelemetry

The Electron framework lets you write cross-platform desktop applications using JavaScript, HTML and CSS.

A full-stack AI agent platform built with Python and TypeScript.

Computer algebra library for .NET

Free and Open Source Reverse Engineering Platform powered by radare2

Kubernetes and Docker monitoring CLI for real-time workload, health, and log visibility

Java bindings for Roc Toolkit (real-time audio streaming)

Storybook is a development environment for UI components. It allows you to browse/develop/test a component library based on React & React-Native.

Bitwarden is the easiest and safest way to store all of your logins and passwords while conveniently keeping them synced between all of your devices. This repository houses all Bitwarden client applications except the Mobile application.

Cross platform Native mobile apps with JavaScript

Security-first, self-hosted AI agents with container isolation you can prove, not just promise. Runs untrusted agent code in hardened sandboxes. Written in Go.

Contrib repository for the OpenTelemetry Collector. OpenTelemetry provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

An extensible Lua-configured Unix shell

Assembly programming game: program the 8086-like microprocessor of a robot in a grid-based multiplayer world

Free SVG icons for popular brands.

Sandstorm is a self-hostable web productivity suite. It's implemented as a security-hardened web app package manager.

A local-first Solana transaction policy firewall and tamper-evident receipt ledger for AI agents.

The OpenTelemetry JavaScript Contrib project. OpenTelemetry provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

A lightweight, local-only Chrome extension that reduces common third-party website tracking by blocking known tracker requests, cleaning tracking links, and explaining tracking attempts.

Volatile is a high-performance, UCI-compatible C++ chess engine built from scratch, currently playing at a 2200-2400 Elo. We are looking for contributors of all skill levels to help us bridge the gap to top-tier engines. This project serves as a fantastic, beginner-friendly learning ground for modern C++ systems programming, clean architecture (SOLID principles), and game AI. Current high-priority tasks include integrating Efficiently Updatable Neural Networks (NNUE), implementing Monte-Carlo Tree Search (MCTS), optimizing time-management algorithms, and improving our testing and CI/CD infrastructure. Whether you are making your first open-source contribution or you are an expert eager to tackle complex optimization problems, your ideas are warmly welcomed here!

A free, fast and beautiful API request builder.

Git Extensions is a standalone UI tool for managing git repositories. It also integrates with Windows Explorer and Microsoft Visual Studio (2015/2017/2019).

Julia is a high-level, high-performance dynamic programming language for technical computing. http://www.julialang.org

A modern, AI-powered full-stack voice assistant built for 2026. Lisa combines real-time speech recognition, intelligent LLM responses, live web search, browser geolocation, cloud memory, and natural neural voice synthesis into a seamless conversational experience.

Community bounty board for RustChain ecosystem - earn RTC tokens for contributions

Static analysis for Django models (VS Code extension + Python CLI + MCP server for AI agents). Zero database, zero Django boot, zero credentials — just parse models.py. Translations, docs, small CLI fixes, and golden fixtures all welcome as first contributions.

A list of 99 machine learning projects for anyone interested to learn from coding and building projects

A Python framework for modular, self-contained skill management for machines.

Proof-of-Antiquity blockchain with hardware attestation - rewards vintage hardware miners (PowerPC G4/G5, POWER8) with RTC tokens

A declarative, efficient, and flexible JavaScript library for building user interfaces.

The NuGet Client tools. Includes 'nuget.exe' and the NuGet extensions for Microsoft Visual Studio and Microsoft WebMatrix

Claude Code agent coordination skill for multi-agent task orchestration

A neo-brutalist React component library built with Tailwind CSS, featuring zero-gap layout logic, automated YIQ contrast calculation, and high structural stability.

A collection of code to print out "Hello World!" in different languages.

NLog - Flexible and high performance logging framework for the .NET platforms

Give your AI agent a real browser. MCP server + Chrome extension for task-level browser automation.

Organizing the information that matters to you and your teams. The knowledge of your world.

A bulk file downloader for Windows, with real-Chrome extraction over CDP, aiohttp streaming, a WebView2 GUI and a headless CLI.

A Python package to assess and improve fairness of machine learning models.

An always-on organic growth loop for your website, as a free Claude plugin. It watches search and AI-answer performance, proposes work with the reasoning attached, applies approved changes to WordPress, verifies they landed, and learns from the outcome. Every write is gated on a recorded human approval.

Free, open-source voice dictation and speech-to-text for Linux, macOS and Windows — hold a key, speak, release, and the text is typed into whatever window has focus. Runs on the CPU with faster-whisper; nothing leaves the machine by default. Also transcribes recordings and captures meetings with speaker labels. No cloud, no API key.

A systems programming language focused on safety, speed, and concurrency.

A lightweight macOS native app that intercepts URL clicks and forwards them to the right browser based on running state and power source

.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

Design, Test and Document APIs in plain Markdown. Compose Requests with API blocks. Reuse, Replace & Version everything just like code. Offline, Truly Git Native, No Lock-in.

The OpenTelemetry Python Contrib project. OpenTelemetry provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

Cross-platform desktop AI agent for coding, documents, and desktop work, built around a Rust runtime.

Infisical is an open-source, E2EE tool to sync environment variables across your team and infrastructure.

Manage localization of all ResX-Based resources in one central place

Interactive learning platform using Python and Javascript with AngularJS

.NET Aspire is an opinionated, cloud ready stack for building observable, production ready, distributed applications in .NET

Open source Slack-alternative in Golang and React

.NET is a cross-platform runtime and libraries for cloud, IoT, and desktop apps.

cpersist is a C++ data persistence and serialization library.

Open-source, account-free, disposable encrypted chat rooms with single-use invites and no persisted server-side transcript.

.NET nanoFramework is a free and open-source platform that enables the writing of C# code applications for constrained embedded devices like ARM Cortex-M0/M4/M7, ESP32, TI CC3220, NXP and other microcontrollers.

The Guake drop-down terminal

Orchestration and automation platform to execute millions of scheduled and event-driven workflows declaratively in code and from the UI

Multi-platform 2D and 3D game engine

Terminal-first, self-hosted AI gateway with provider-free prompt enhancement, a credential-free local demo, and nine governed MCP tools for Codex and other hosts.

Python-based continuous integration testing framework.

An ORM for node.js supporting PostgresQL, MySQL, sqlite and MSSQL

A programming assignment submission system

A programming language for writing tests that go beyond simple unit testing

A collaborative online office suite based on LibreOffice technology

Symfony is a PHP framework for web applications and a set of reusable PHP components. Symfony is used by thousands of web applications and most of the popular PHP projects.

ClickHouse is a fast open-source OLAP database management system

scikit-learn models hyperparameters tuning, using evolutionary algorithms.

Open-source Windows maintenance CLI and TUI. Dry-run by default, Recycle Bin only, fully undoable.

The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

Context governance for agentic AI — tamper-evident audit trails for LLM context inputs

The Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons. Initially started by the Wikimedia Foundation, this app is now maintained by volunteers.

Core functionality needed to create .NET projects, that is shared between Visual Studio and the .NET CLI

Windows Forms also provides one of the most productive ways to create desktop applications based on the visual designer provided in Visual Studio. It enables drag-and-drop of visual controls and other similar functionality that make it easy to build desktop applications.

ToolJet is an open-source low-code platform for building and deploying internal tools with minimal engineering efforts 🚀

A curated directory of developer podcasts for software engineering teams. It is an open-source collection of podcasts that covers system architecture, cloud-native, DevOps, B2B SaaS, AI/ML, and engineering leadership.

LangChain + LangGraph integration for The Colony. Provides ColonyToolkit, ColonyRetriever, and ColonyEventPoller for agent-side use.

Open-source repository containing structured Python and AI knowledge for the Py.AI website.

A Vulnerable Web Application for DAST developers, Students and DAST consumers.

The parallel browser engine project

Fast and minimalist 3D viewer

Content curation tools for Kolibri Learning Platform (the offline app for universal education)

A minimalist HTML5 battle royale game.

A Python package for multivariate hypothesis testing

A toolkit for .NET projects

JabRef is a reference management software that uses BibTeX and BibLaTeX as its native formats and is therefore typically used for LaTeX. What makes JabRef development special is that two developers will review each pull request to ensure high quality.

UI for Apache Kafka is a free, open-source web UI to monitor and manage Apache Kafka clusters

Specification of OpenTelemetry, a working name of a combined OpenCensus and OpenTracing project. It provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

Fully local AI assistant that watches your screen (windows, clipboard, screenshots) so you can query your own activity history instead of re-explaining context to an LLM every time. Runs on Ollama + a local vision model, nothing leaves your machine.

An open-source Android prototype for on-device assistive perception, reproducible evaluation, and evidence-bounded accessibility research.

Ptera Software is a fast, easy-to-use, and open-source software package for analyzing flapping-wing flight.

Meshery enables collaborative design and operation of cloud and cloud native infrastructure. Meshery is an extensible, self-service engineering platform.

OpenTelemetry auto-instrumentation and instrumentation libraries for Java. OpenTelemetry is a working name of a combined OpenCensus and OpenTracing project. It provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

Open Standard for Metadata. A Single place to Discover, Collaborate and Get your data right.

Open-source Python toolkit for water data, hydrology, and agricultural water management. Unifies 15 global water-data sources behind one schema, with Bulletin 17C flood frequency, baseflow separation, FAO-56 crop water requirements, and an AI methodology recommender. Issues are scoped with clear acceptance criteria and a first-issue to second-issue to area-owner contributor ladder.

TripAi is a powerful AI-based travel planning web application that helps users effortlessly generate customised trip itineraries. By leveraging Meta’s Llama 3.8B Instruct model and integrating real-time data from Amadeus APIs, TripAi delivers intelligent and practical trip suggestions – including flights, hotels, and personalised activities.

Kubernetes Operator for OpenTelemetry Collector. OpenTelemetry provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools.

PyTorch is an open source machine learning library based, used for applications such as computer vision and NLP.

ASP.NET Core is a cross-platform .NET for building modern web applications on Windows, Mac, or Linux.