All Open Source Projects Directory

Self-hosted productivity platform. File sync, calendar, contacts, office suite, and more.

Workflow automation tool. Connect anything to everything with a visual node editor.

Privacy-friendly web analytics. No cookies, GDPR compliant, lightweight script.

Open source scheduling infrastructure. Calendly alternative with full API and self-hosting.

Password manager with zero-knowledge encryption. Free for personal use. Self-hostable.

Secure team collaboration platform. Channels, threads, integrations, and playbooks.

Lightweight self-hosted Git service. Painless to set up, fast, and easy to use.

Open source backend-as-a-service. Auth, databases, storage, functions, and messaging.

Open source Firebase alternative. Postgres database, auth, realtime, storage, and edge functions.

Self-hosted photo and video backup solution. High-performance Google Photos alternative.

Professional publishing platform. Memberships, newsletters, and content monetization built-in.

Identity and access management. SSO, social login, user federation, and fine-grained authorization.

Observability platform. Beautiful dashboards for metrics, logs, and traces from any data source.

Open source Airtable alternative. Turn any database into a smart spreadsheet interface.

Secure, simple and scalable video conferences that you use as a standalone app or embed in your web application.

Document management system. Scan, index, and archive all your paper documents digitally.

Free media system. Stream your movies, TV shows, music, and photos to any device.

Team knowledge base and wiki. Beautiful docs with real-time collaboration.

Self-hosted monitoring tool. Track uptime for HTTP, TCP, DNS, and more with a beautiful UI.

Container management platform. Deploy, manage, and troubleshoot Docker & Kubernetes.

Open source customer engagement platform. Live chat, email, social, and WhatsApp in one inbox.

Virtual whiteboard for sketching hand-drawn like diagrams. Real-time collaboration built-in.

Instant REST & GraphQL API for any SQL database. Beautiful no-code data studio.

Modern open source CRM. Beautiful interface, extensible, and community-driven.

Open source design and prototyping platform. Figma alternative with SVG-native workflows.

Dead simple static homepage for your server. Clean dashboard to organize your services.

Self-hosted newsletter and mailing list manager. High-performance with a clean interface.

Open source document signing. Create, fill, and sign digital documents with ease.

Open source personal finance and wealth management. Track net worth, investments, and spending.

Real-time collaborative markdown editor. Share notes and documents with your team instantly.

Simple yet powerful CI/CD engine. Container-native pipelines with multi-platform support.

Open source e-commerce platform. Composable commerce engine for custom digital storefronts.

Privacy-first knowledge management. Outliner with bi-directional links and graph view.

Open source project management. Kanban boards, tables, and calendars for teams.

Learning management system. The world's most popular open source LMS for education.

Decentralized social network. Federated microblogging with no ads, no algorithms, no data mining.

Free and open source game engine. Create 2D and 3D games with a feature-rich editor.

Self-hostable Heroku/Vercel alternative. Deploy apps, databases, and services with ease.

Open source team communication platform. Messages, video calls, file sharing, and omnichannel.

Secure decentralized messenger built on Matrix. End-to-end encrypted group chat and calls.

End-to-end open source machine learning platform. Build and deploy ML models at scale.

Open source machine learning framework. Dynamic computation graphs and Pythonic deep learning.

Machine learning in Python. Simple, efficient tools for predictive data analysis.

Deep learning API. Simple, flexible, and powerful neural network library for Python.

State-of-the-art NLP and ML models. Thousands of pretrained models for text, vision, and audio.

Framework for building LLM-powered applications. Chains, agents, and retrieval-augmented generation.

Open source computer vision and image processing library. Real-time vision for any platform.

Scalable gradient boosting library. Fast, accurate, and battle-tested for tabular data.

Fast gradient boosting framework. Lightweight, distributed, and high-performance tree-based learning.

Open neural network exchange format. Interoperable AI models across frameworks and hardware.

Network protocol analyzer. Capture and inspect network traffic in real time.

Network discovery and security auditing tool. Port scanning, OS detection, and vulnerability discovery.

Penetration testing framework. World's most used pen testing tool for security professionals.

Open source VPN solution. Secure point-to-point and site-to-site connections.

Fast, modern VPN tunnel. Minimal codebase, state-of-the-art cryptography, high performance.

Network intrusion detection and prevention system. Real-time traffic analysis and packet logging.

High-performance network IDS, IPS, and security monitoring engine. Multi-threaded threat detection.

Web application security scanner. Find vulnerabilities in your web apps during development and testing.

Intrusion prevention software. Ban IPs that show malicious signs based on log file analysis.

Secrets management and data protection. Secure, store, and control access to tokens, passwords, and keys.

Free image editor. Advanced photo retouching, image composition, and graphic design.

Vector graphics editor. Professional SVG editing and illustration tool.

3D creation suite. Modeling, animation, rendering, compositing, and video editing.

Digital painting application. Professional-grade brushes and tools for concept art and illustration.

The world's most popular CMS. Power 40%+ of all websites with themes, plugins, and blocks.

Open source headless CMS. Build powerful APIs in minutes with a customizable admin panel.

Free video recording and live streaming software. Powerful, real-time video/audio capturing.

Free audio editor and recorder. Multi-track editing, effects, and audio analysis.

High-performance numerical computing. Composable transformations for autograd, JIT, and vectorization.

Industrial-strength NLP library. Fast, accurate, and production-ready text processing.

Natural Language Toolkit. Comprehensive platform for building NLP programs in Python.

Multilingual sentence, paragraph, and image embeddings. Fast semantic search and similarity.

Data framework for LLM applications. Connect custom data sources to large language models.

NLP framework for building search, question answering, and conversational AI pipelines.

Object detection and segmentation framework. Next-generation platform by Meta AI Research.

ML lifecycle platform. Experiment tracking, model registry, deployment, and reproducibility.

Machine learning toolkit for Kubernetes. End-to-end ML workflows on cloud-native infrastructure.

Data Version Control. Git for data and ML models. Track experiments and build pipelines.

Run large language models locally. Simple CLI to download, run, and manage LLMs on your machine.

Free and open source cross-platform multimedia player that plays most multimedia files.

Powerful office suite. Clean interface and feature-rich tools to unleash your creativity.

The world's most advanced open source relational database.

In-memory data structure store, used as a distributed, in-memory key-value database.

Platform designed to help developers build, share, and run modern applications.

Automated container deployment, scaling, and management.

Systems and service monitoring system. Collects metrics from configured targets.

Network-wide ad blocking via your own Linux hardware.

Cross-Platform Password Manager, securely store passwords.

Radically simple IT automation platform that makes your applications and systems easier to deploy.

Infrastructure as Code to provision and manage any cloud, infrastructure, or service.

Flexible project management web application. Written using the Ruby on Rails framework.

A platform for community discussion. Free, open, simple.

One of the most popular database servers in the world. Drop-in replacement for MySQL.

C-language library that implements a small, fast, self-contained, high-reliability SQL database engine.

JavaScript runtime built on Chrome's V8 JavaScript engine.

The Progressive JavaScript Framework for building user interfaces.

A JavaScript library for building user interfaces.

The React Framework for Production. Hybrid static & server rendering.

Enterprise-class open source distributed monitoring solution.

Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs.

The Single Sign-On Multi-Factor portal for web apps.

The World's #1 Open Source Storage OS. ZFS based software-defined storage.

Open source video transcoder available for Linux, Mac, and Windows.

Cybernetically enhanced web apps. Compile-time framework without virtual DOM.

World's most trusted open source firewall. Based on FreeBSD.

Real-time performance monitoring, done right! Beautiful dashboards.

Network-wide ads & trackers blocking DNS server.

The Intuitive Vue Framework. Build your next Vue.js application with confidence.

Free, open source note taking and to-do application, which can handle a large number of notes.

Distributed, RESTful search and analytics engine.

High performance load balancer, web server, & reverse proxy.

The Cloud Native Application Proxy.

Open Source Continuous File Synchronization.

Most widely deployed open source message broker.

Open-source distributed event streaming platform.

The simplest, fastest way to get business intelligence and analytics to everyone in your company.

Modern, enterprise-ready business intelligence web application.

Google Analytics alternative that protects your data and your customers' privacy.

The world’s fastest framework for building websites.

Scheduling infrastructure for absolutely everyone.

Conversational apps builder. Open source alternative to Typeform.

Open source no-code database and Airtable alternative.

Open source DevOps platform. Source code management, CI/CD, and more.

Google's full-featured web framework.

Python's batteries-included web framework.

Lightweight Python web framework.

High-performance Python API framework.

Convention-over-configuration web framework.

Document-oriented NoSQL database.

Distributed wide-column store.

Native Graph database for connected data.

In-process analytical database.

Daemonless container engine for developing, managing, and running OCI Containers.

The Kubernetes Package Manager.

Declarative, GitOps continuous delivery tool for Kubernetes.

Leading open source automation server.

Open source alternative to Terraform.

Tool for secrets management, encryption as a service.

Free, open source, cross-platform video editor.

Easy to maintain open source documentation websites.

Open source home automation that puts local control and privacy first.

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS.

Enterprise virtualization management platform.

Cloud-native API gateway.

Open source API development ecosystem.

Open Source backend for your next SaaS and Mobile app in 1 file.

Browser automation and testing framework.

Fast and reliable end-to-end testing for modern web apps.

Fast, easy and reliable testing for anything that runs in a browser.

Powerful, open source code editor by Microsoft.

Leading open source Java and Kotlin IDE.

A utility-first CSS framework for rapidly building custom designs.

Frontend workshop for building UI components and pages in isolation.

Next Generation Frontend Tooling.

A progressive Node.js framework for building efficient server-side applications.

Creates stand-alone, production-grade Spring based Applications.

The PHP Framework for Web Artisans.

An open platform to connect, secure, control and observe services.

Cloud-native high-performance edge/middle/service proxy.

High-quality, ubiquitous, and portable telemetry to enable effective observability.

Open and extensible continuous delivery solution for Kubernetes.

A cloud-native solution for building CI/CD systems.

An open platform for building developer portals.

Infrastructure as Code in any programming language.

Stateful computations over data streams.

Platform to programmatically author, schedule, and monitor workflows.

Enable data analysts and engineers to transform their data using SQL.

Data orchestrator for machine learning, analytics, and ETL.

Fast open-source OLAP database management system.

Distributed object, block, and file storage platform.

Like Prometheus, but for logs.

Open source, end-to-end distributed tracing.

Comprehensive and versatile security scanner.

Open-source team chat with topic-based threading.

Open-source alternative to Notion.

The open-source project management tool.

Leading open-source CMS for ambitious digital experiences.

A platform to create documentation/wiki content built with PHP.

A simple, fast, privacy-focused alternative to Google Analytics.

Open-source IDE for exploring and testing APIs.

A modern load testing tool, using Go and JavaScript.

Fast, simple and downright gorgeous static site generator.

The most popular web server on the Internet.

Powerful x86 and AMD64/Intel64 virtualization product.

Multi-type data labeling and annotation tool.

Beyond coding. We forge. Gitea fork.

Agile project management platform.

Open source project management software.

Open source web conferencing system highly optimized for online learning and virtual classrooms.

Decentralized, end-to-end encrypted voice and video conferencing powered by the Matrix protocol.

Fully self-hosted, on-premises audio/video and chat communication app seamlessly integrated into Nextcloud.

Comprehensive open source software for video conferencing, instant messaging, whiteboarding, and collaborative document editing.

Highly scalable, open source WebRTC infrastructure for building powerful real-time audio and video experiences.

Free and universal peer-to-peer communication tool focused on absolute privacy and freedom.

Most secure collaboration platform featuring end-to-end encrypted messaging, voice, and video conferencing.

Platform to facilitate adding highly customizable video calls to your web or mobile applications.

The gold standard of end-to-end encrypted messaging with crystal-clear voice and secure group video calling.

A distributed, secure messenger with zero-configuration audio and video chat.

Lightweight, high-performance videoconferencing server designed for massive scaling.

Free browser-based WebRTC real-time video calls and chat room alternative.