Stop paying $200/mo for SaaS. Self-host for $5.

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

Independent technology for modern publishing, memberships, subscriptions and newsletters.

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

High performance self-hosted photo and video management solution.

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

An enterprise-class UI design language and React UI library

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

A community-supported supercharged document management system: scan, index and archive all your documents

Express inspired web framework written in Go

Nextcloud server, a safe home for all your data

Free and open source laravel eCommerce platform

matplotlib: plotting with Python

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.

The Cloud Native Application Proxy

The Cloud Native Application Proxy

The Full-Stack Vue Framework.

Ultralytics YOLO

Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD

The Free Software Media System - Server Backend & API

A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.

Build your personal knowledge base with Trilium Notes

Build your personal knowledge base with Trilium Notes

The fundamental package for scientific computing with Python.

Firefly III: a personal finances manager

Release engineering, simplified

SciPy library main repository

Mautic: Open Source Marketing Automation Software.

Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.

Your platform team, as a service

An open-source remote desktop application designed for self-hosting, as an alternative to TeamViewer.

JavaScript 3D Library.

FastAPI framework, high performance, easy to learn, fast to code, ready for production

Code at the speed of thought - Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Next generation frontend tooling. It's fast!

A high-throughput and memory-efficient inference and serving engine for LLMs

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.

scikit-learn: machine learning in Python

Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.

The web framework for content-driven websites. ⭐ Star to support our work!

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

Your self-hosted, globally interconnected microblogging community

Make videos programmatically with React

Babel is a compiler for writing next generation JavaScript.

Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active.

The world's most flexible commerce platform.

MongoDB object modeling designed to work in an asynchronous environment.

Find and fix problems in your JavaScript code.

A local-first personal finance app

A self-hostable personal dashboard built for you. Includes status-checking, widgets, themes, icon packs, a UI editor and tons more!

Cross-platform Rust rewrite of the GNU coreutils

Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, Llama, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.

Asynchronous HTTP client/server framework for asyncio and Python

ActivityPub-federated video streaming platform using P2P directly in your web browser

A hyperparameter optimization framework

Python Imaging Library (fork)

Take control over your live stream video by running it yourself. Streaming + chat out of the box.

Open Source Inventory Management System

Centralized network visibility and continuous asset discovery. Monitor devices, detect change, and stay aware across distributed networks.

ZoneMinder is a free, open source Closed-circuit television software application developed for Linux which supports IP, USB and Analog cameras.

Catch API bugs before your users do

Get seamless remote access to any Linux device. Centralized SSH for the edge and cloud computing

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Promise based HTTP client for the browser and node.js

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

The fastest path to AI-powered full stack observability, even for lean teams.

Easy to maintain open source documentation websites.

PDF Reader in JavaScript

Prettier is an opinionated code formatter.

The open alternative to Salesforce, designed for AI.

Delightful JavaScript Testing.

React Hooks for form state management and validation (Web + React Native)

Everything is RSSible

TypeScript-first schema validation with static type inference

Fabric is an open-source framework for augmenting humans using AI. It provides a modular system for solving specific problems using a crowdsourced set of AI prompts that can be used anywhere.

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

TypeScript & JavaScript ORM for Node.js, supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.

The user-friendly command line shell.

SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.

Ember.js - A JavaScript framework for creating ambitious web applications

Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, GitLab, GitHub and Open Project.

Fast linters runner for Go

Etherpad: A modern really-real-time collaborative document editor.

Create web-based user interfaces with Python. The nice way.

A safe, extensible ORM and Query Builder for Rust

Deduplicating archiver with compression and authenticated encryption.

A glossy Matrix collaboration client for the web.

Mealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasant user experience for the whole family. Easily add recipes into your database by providing the url and mealie will automatically import the relevant data or add a family recipe with the UI editor

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL and SQLite/libSQL databases.

A beautiful, powerful, self-hosted rom manager and player.

Open source headless commerce framework built with TypeScript, NestJS, React and GraphQL

solar charging

Web based localization tool with tight version control integration.

Astronomy and astrophysics core library

Enterprise-ready, Git native feature management solution

Enterprise-ready, Git native feature management solution

Command line driven CI frontend and development task automation tool.

Build apps that AI can generate, humans can review, and teams can maintain. Config that works between code and natural language.

GO Feature Flag is a simple, complete and lightweight self-hosted cloud native feature flag solution 100% Open Source.

An Open Source Machine Learning Framework for Everyone

Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

The React Framework

Production-Grade Container Scheduling and Management

A modern runtime for JavaScript and TypeScript.

Open Source Computer Vision Library

web development for the rest of us

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

The Prometheus monitoring system and time series database.

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

A black hole for Internet advertisements

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

The minimal, blazing-fast, and infinitely customizable prompt for any shell!

Appwrite® - complete cloud infrastructure for your web, mobile and AI apps. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime and more

Distributed reliable key-value store for the most critical data of a distributed system

LlamaIndex is the leading document agent and OCR platform

LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.

LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.

A refreshingly simple data-driven game engine built in Rust

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

The Secure CommsOS™ for mission-critical operations

AI-Powered Photos App for the Decentralized Web

Extremely fast Query Engine for DataFrames, written in Rust

Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.

DuckDB is an analytical in-process SQL database management system

Self-hosted game stream host for Moonlight.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

A browser automation framework and ecosystem.

Free and Open Source Enterprise Resource Planning (ERP)

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow

A frontend Framework for single-page applications on top of REST/GraphQL APIs, using TypeScript, React and Material Design

Next-generation ES module bundler

Write Native with TypeScript Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love Angular, React, Solid, Svelte, Vue with: iOS (UIKit, SwiftUI), Android (View, Jetpack Compose), Flutter and you name it compatible.

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

A fast, local first, reactive Database for JavaScript Applications https://rxdb.info/

Classic, reliable, trusted test framework for Node.js and the browser

Dolt - Git for Data

Production-grade Rust-native trading engine with deterministic event-driven architecture

Your window into all of your data

A collection of high-performance JavaScript tools.

The Open Source kanban, built with Meteor. GitHub issues/PRs are only for FLOSS Developers, not for support, support is at https://wekan.fi/commercial-support/ . New English strings for new features at imports/i18n/data/en.i18n.json . Non-English translations at https://app.transifex.com/wekan/wekan only.

Build fast web applications with Rust.

A Django content management system focused on flexibility and user experience

High-Performance server for NATS.io, the cloud and edge native messaging system.

Typer, build great CLIs. Easy to code. Based on Python type hints.

The interactive graphing library for Python

A beautiful, responsive, highly customizable and accessible (WAI-ARIA) replacement for JavaScript's popup boxes. Zero dependencies.

Python composable command line interface toolkit

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo

JupyterLab computational environment.

A free, self-hostable news aggregator…

An idiomatic, lean, fast & safe pure Rust implementation of Git

Open-source media request and discovery manager for Jellyfin, Plex, and Emby.

A customizable, open-source ecommerce platform built on WordPress. Build any commerce solution you can imagine.

Let's Encrypt/ACME client and library written in Go

OctoPrint is the snappy web interface for your 3D printer!

Simple, Elastic-quality search for Postgres

Headless open-source eCommerce platform on top of PHP/Symfony/API Platform

Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript

Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.

Woodpecker is a simple, yet powerful CI/CD engine with great extensibility.

Solidus, the open-source eCommerce framework for industry trailblazers.

Virtual Python Environment builder

Open-source reporting platform to build and share live dashboards from APIs, SQL and NoSQL databases, with powerful AI assistant, scheduling, and embeddable charts

Google Reader inspired self-hosted personal RSS reader.

Mail hosting made simple

Complete implementation of JWx (Javascript Object Signing and Encryption/JOSE) technologies for Go. #golang #jwt #jws #jwk #jwe

The official Python SDK for Sentry.io

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

Open Source Continuous File Synchronization

A command-line fuzzy finder

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

The Python micro framework for building web applications.

The all-in-one AI productivity accelerator. On device and privacy first with no annoying setup or configuration.

A cat(1) clone with wings.

Declarative routing for React

A simple, yet elegant, HTTP library.

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

An extremely fast Python linter and code formatter, written in Rust.

Penpot: The open-source design tool for design and code collaboration

C++ based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

Streamlit, A faster way to build and share data apps.

An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

Scheduling infrastructure for absolutely everyone.

Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.

The easiest way to automate building and releasing your iOS and Android apps

Chakra UI is a component system for building SaaS products with speed

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

AI Data Vault - A query engine for AI Agents to securely query data from any datasource

Halo 是一款强大易用的开源建站工具，从个人博客、知识库，到企业官网、在线商城，Halo 都能助您轻松实现，一站式满足您的多样化建站需求。

Comfortably monitor your Internet traffic

Servo aims to empower developers with a lightweight, high-performance alternative for embedding web technologies in applications.

The lean application framework for Python. Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and a web browser.

A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.

Secure and fast microVMs for serverless computing.

Rust-based platform for the Web

A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ...

NVR with realtime local object detection for IP cameras