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

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

Documentation for .NET

.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.

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

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.

WPF is a .NET Core UI framework for building Windows desktop applications.

This repository contains productive coded tools in less than #100LinesOfCode.

An open-source, nonprofit activism network

Cost-optimized AI agent orchestration with RTS nostalgia UI - run 88% of coding tasks FREE on local Ollama, with Claude handling the rest

Open-source infrastructure for AI backends. Kubernetes for orchestration, Okta for identity.

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

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

Turn based strategy indie game project, played against other people (or bots) in hotseat or online modes, featuring a wide variety of units to acquire and put to good use in order to defeat all your opponents in battle. This project was carefully designed to be easy to learn, fun to play and hard to master. Keep fighting!

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

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

A cross-platform UI framework for .NET

Ruby on Rails application building framework

This repo helps developers who wants to build portfolio by taking inspiration from already deployed Portfolios. For those who already built, Showcase your Awesome Portfolio to the world.

An an easy-to-use backup tool for GNU Linux using rsync in the back.

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.

Javascript Engine written in Rust

Brighter is a CQRS framework for .NET supporting in-process and out-of-process command handlers using task queues

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

A Loyalty Card & Ticket Manager for Android

C compiler for the CLI platform

ClickHouse is a fast open-source OLAP database management system

High performance Data framework for AI, optimized for data freshness

A collaborative online office suite based on LibreOffice technology

Web-based XMPP/Jabber chat client written in JavaScript

Free and Open Source Reverse Engineering Platform powered by radare2

Creates CycloneDX Software Bill-of-Materials (SBOM) from .NET Projects

A website covering the Dart language and common libraries, for developers of Dart libraries, web apps, server-side code, and mobile (Flutter) apps.

Stop Guessing. Start Dominating Your Market. The only data platform built for CMOs who need to prove ROI, unite their team, and get home in time for dinner.

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.

(Facebook Open Source) Easy to maintain open source documentation websites that powers website of React Native, Prettier, WarriorJS and Jest

A lightning-fast linter for .env files. Written in Rust.

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

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

The next-generation project management platform

Framework to easily create LLM powered bots over any dataset

A compiler from C and C++ to JavaScript/asm.js

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

EvalAI is an open source web application that helps researchers, students and data-scientists to create, collaborate and participate in various AI challenges organized round the globe.

Fast and minimalist 3D viewer

Fake REST API for prototyping or as a CRUD Back End. No need to define types, uses dynamic typing. Data is stored to a single JSON file. Has authentication, WebSocket notifications, async long running operations, random generation for errors/delays and experimental GraphQL support.

Faker library for generating fake (but realistic) data

The very popular (10M downloads!) assertions framework that allows you to more naturally specify the expected outcome of TDD or BDD-style unit tests.

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.

A minimalist PDF creation library for Python

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

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

The Visual F# compiler and tools

F# tools for generating documentation using literate F# scripts and inline Markdown comments for libraries (Also includes stand-alone Markdown processor and F# code formatter)

🤓 geeks will ctrl+s the world!

AI for Agentic Workflows. Human-AI Collaboration. Open Source.

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

A simple and fast CDN written in Go meant for beginner programmers to learn about docker and CDNs

Multi-platform 2D and 3D game engine

The Guake drop-down terminal

A Node.js boilerplate for quickly building and deploying web applications, ideal for hackathons, startups, and early-stage prototypes.

Server-oriented customizable templating for JavaScript

Homebrew is a package manager for OS X.

Core formulae for the Homebrew package manager

A free, fast and beautiful API request builder.

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

icalendar parser library for Python

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

InTalks is an android application used to fetch the latest news about a topic from various online news platforms.

VS Code plugin for F# development

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.

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

Jupyter’s Next-Generation Notebook Interface.

Kedro is a Python toolbox for production-ready data science. It uses software engineering best practices to help you create data engineering and data science pipelines that are reproducible, maintainable, and modular.

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.

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

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.

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

The offline app for universal education

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

Production-Grade Container Scheduling and Management

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

A book that teaches JavaScript

libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API, allowing you to write native speed custom Git applications in any language which supports C bindings.

An automated library management system developed in Laravel 4.2 PHP MVC Framework

Litmus is a toolset to do cloud-native chaos engineering

A complete backend that fits into a single YAML file.

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

Matomo is the leading open alternative to Google Analytics that gives you full control over your data.

An open source marketing automation platform.

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

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

MoinMoin is a lightweight open source wiki engine written in Python

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

A cross-platform, open source, and super fast MUD client with scripting in Lua

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

A safe home for all your data

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

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

ObjectBox is a super-fast database storing Dart objects locally.

Grade exams fast and accurately using a scanner 🖨 or your phone 🤳.

Event Management App Tailored to Free Software Conferences

Production-Grade Container Storage for KUbernetes

Reference checklist of things to avoid gatekeeping in posts, articles, videos, talks, presentations, podcasts, and in any other content.

Open-source observability for LLMs, based on OpenTelemetry

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

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.

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.

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.

.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.

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.

The OpenTelemetry Go 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.

Java 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.

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.

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.

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.

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.

Ruby 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.

Rust 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.

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.

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

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

Open-source TypeScript framework for building durable, resumable workflows.

Interactive learning platform using Python and Javascript with AngularJS

Neovim code outline sidebar powered by LSP.

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

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

Padestrian Detection based on python and Opencv using HOG

Powerful Python data analysis toolkit.

Java binding for the PCRE2 library providing java.util.regex-compatible API, wrapper API, and direct PCRE2 API access with JNA and FFM backends.

Fast, disk space efficient package manager

Ultra-flexible self-hostable organisation tool (and so much more)

PowerShell for every system!

Help improve the PowerShell extension for Visual Studio Code!

A powerful cross-platform CLI project templating tool.

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.

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

An open source publishing platform for environmental projects.

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

A faster Python type checker and language server written in Rust

The Python Risk Identification Tool for generative AI (PyRIT) is an open source framework built to empower security professionals and engineers to proactively identify risks in generative AI systems.

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

Lightweight Discord client written in Python and Qt.

Find bugs in your JavaScript programs

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

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

A framework for building native apps with React.

Cross-platform, friend-to-friend and secure decentralised communication platform.

Downloads albums in bulk

Roc is a toolkit for real-time audio streaming over the network.

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

Visualize source code complexity with Sabik. This tool is to find the bad smell code. I think your helpful refactoring.

Saleor is a high-performance, GraphQL-first e-commerce solution created with Python and Django. https://getsaleor.com/

Keyboards for language learners with translation, verb conjugation and more!

Keyboards for language learners with translation, verb conjugation and more!

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

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

The parallel browser engine project

Free SVG icons for popular brands.

The Solidity Contract-Oriented Programming Language

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

SpiceDB is a graph database purpose-built for storing and evaluating access control data.

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

The website and documentation of styled-components

A programming assignment submission system

suricata-check is a command line utility to provide feedback on Suricata rules. The tool can detect various issues including those covering syntax validity, interpretability, rule specificity, rule coverage, and efficiency.

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.

A URL Shortening service powered by Google Apps Script

TEAMMATES is a free online tool for managing peer evaluations and other feedback paths of your students. It is provided as a cloud-based service for educators/students and is currently used by hundreds of universities across the world.

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

This repo is for the techtonica.org website for Techtonica, a nonprofit tech training program that helps women and non-binary adults with low incomes overcome barriers into tech careers.

A peer-run open-source network where developers earn verifiable reputation through contributions, peer reviews, and on-chain attestations.

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

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

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

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

A port of SpaceStation 13 into unity

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

Simple yet powerful library for building modern web interfaces.

A just-add-css collection of styles to make simple websites just a little nicer.

Effortlessly install modern developer tools with easy-to-remember URLs.

Web based translation tool with tight version control integration.

wger is a free, open source web application that manages and tracks/logs your exercises and personal workouts, weight and diet plans. It can also be used as a simple gym management utility and offers a REST API as well, for easy integration with other projects and tools.

wger is a free, open source flutter application that manages and tracks/logs your exercises and personal workouts, weight and diet plans.

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.

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

Distributed, high-performance SQL database

Listen to YouTube videos without the distracting visuals.

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