Discover the best open-source projects

A crowdsourced list of the best open-source projects on the internet.

Open-source link management infrastructure for modern marketing teams. Loved by world-class teams like Framer, Raycast, Perplexity and more.

Beautifully designed components that you can copy and paste into your apps. Accessible. Customizable. Open Source.

freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

A collective list of free APIs

Master programming by recreating your favorite technologies from scratch.

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

The library for web and native user interfaces.

This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core

🙃 A delightful community-driven (with 2,300+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an auto-update tool so that makes it easy to keep up with the latest updates from the community.

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

Visual Studio Code

The Go programming language

The React Framework for the Web.

A framework for building native applications using React

:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS

This repo includes ChatGPT prompt curation to use ChatGPT better.

Node.js JavaScript runtime ✨🐢🚀✨

Promise based HTTP client for the browser and node.js

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

Empowering everyone to build reliable and efficient software.

Deliver web apps with confidence 🚀

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 代码。简体版和繁体版同步更新，English version ongoing

A modern runtime for JavaScript and TypeScript.

Material UI: Ready-to-use foundational React components, free forever. It includes Material UI, which implements Google's Material Design.

🦜🔗 Build context-aware reasoning applications

An enterprise-class UI design language and React UI library

Get up and running with Llama 3, Mistral, Gemma, and other large language models.

Magnificent app which corrects your previous console command.

Storybook is a frontend workshop for building UI components and pages in isolation. Made for UI development, testing, and documentation.

A utility-first CSS framework for rapid UI development.

Build smaller, faster, and more secure desktop applications with a web frontend.

Vim-fork focused on extensibility and usability

Virtual whiteboard for sketching hand-drawn like diagrams

The Web framework for perfectionists with deadlines.

Bitcoin Core integration/staging tree

Cybernetically enhanced web apps

Laravel is a web application framework with expressive, elegant syntax. We’ve already laid the foundation for your next big idea — freeing you to create without sweating the small things.

The iconic SVG, font, and CSS toolkit

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

An open-source remote desktop, and alternative to TeamViewer.

The open source Firebase alternative.

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

Beautifully designed components that you can copy and paste into your apps. Accessible. Customizable. Open Source.

🗂 The perfect Front-End Checklist for modern websites and meticulous developers

The Python micro framework for building web applications.

The Swift Programming Language

Next generation frontend tooling. It's fast!

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

👽 Open source API development ecosystem - https://hoppscotch.io

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

Resumes generated using the GitHub informations

A terminal for a more modern age

A fancy self-hosted monitoring tool

Ruby on Rails

Easy to maintain open source documentation websites.

The Intuitive Vue Framework.

A natural language interface for computers

The Cloud Native Application Proxy

Modern CSS framework based on Flexbox

Prettier is an opinionated code formatter.

The Kotlin Programming Language.

🔥 🔥 🔥 Open Source Airtable Alternative

The Magic Mask for Android

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

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

🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

A lightning-fast search API that fits effortlessly into your apps, websites, and workflow

🐻 Bear necessities for state management in React

Free and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.

Dify is an open-source LLM app development platform. Dify's intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features and more, letting you quickly go from prototype to production.

The web framework for content-driven websites

Joplin - the secure note taking and to-do app with synchronisation capabilities for Windows, macOS, Linux, Android and iOS.

High performance self-hosted photo and video management solution.

Meteor, the JavaScript App Platform

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

Build like a team of hundreds_

Quill is a modern WYSIWYG editor built for compatibility and extensibility.

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

🤯 Lobe Chat - an open-source, modern-design LLMs/AI chat framework. Supports Multi AI Providers( OpenAI / Claude 3 / Gemini / Perplexity / Bedrock / Azure / Mistral / Ollama ), Multi-Modals (Vision/TTS) and plugin system. One-click FREE deployment of your private ChatGPT chat application.

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.

User-friendly WebUI for LLMs (Formerly Ollama WebUI)

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

Open Source realtime backend in 1 file

Developer-first error tracking and performance monitoring

The PHP Interpreter

⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.

Your GenAI Second Brain 🧠 A personal productivity assistant (RAG) ⚡️🤖 Chat with your docs (PDF, CSV, ...) & apps using Langchain, GPT 3.5 / 4 turbo, Private, Anthropic, VertexAI, Ollama, LLMs, Groq that you can share with users ! Local & Private alternative to OpenAI GPTs & ChatGPT powered by retrieval-augmented generation.

Infinite canvas.

API Documentation Browser

AI-Powered Photos App for the Decentralized Web 🌈💎✨

🔥 The open-source notification infrastructure with fully functional embedded notification center 🚀🚀🚀

Lightning-fast and Powerful Code Editor written in Rust

The Free Software Media System

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

TypeScript-first schema validation with static type inference

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.

Presentation Slides for Developers

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

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

A privacy-first, open-source platform for knowledge management and collaboration.

An open-source & self-hostable Heroku / Netlify / Vercel alternative.

🐚 OpenDevin: Code Less, Make More

Scheduling infrastructure for absolutely everyone.

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

Investment Research for Everyone, Everywhere.

Drag & drop UI to build your customized LLM flow

The OS for your personal finances

Build Better Websites. Create modern, resilient user experiences with web fundamentals.

🔥 🔥 🔥 Open Source JIRA, Linear and Asana Alternative. Plane helps you track your issues, epics, and product roadmaps in the simplest way possible.

The next open source file uploader for web browsers :dog:

AI chat for every model.

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

The Modern Data Stack 🐰 — Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.

🛡️ ⚛️ A simple, scalable, and powerful architecture for building production ready React applications.

The open source frontend for GitBook doc sites

Actor-based state management & orchestration for complex app logic.

📱☁️💻 A safe home for all your data – community-driven, free & open source 👏

A fully featured React components library

Quasar Framework - Build high-performance VueJS user interfaces in record time

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

A modern replacement for Redis and Memcached

Incremental bundler and build system optimized for JavaScript and TypeScript, written in Rust – including Turbopack and Turborepo.

⚙️ Browser devtools extension for debugging Vue.js applications.

Create beautiful applications using Go

Elixir is a dynamic, functional language for building scalable and maintainable applications

Authentication for the Web.

HomeKit support for the impatient.

Mastering Bitcoin 3rd Edition - Programming the Open Blockchain

The best way to build a modern backend + admin UI. No black magic, all TypeScript, and fully open-source, Payload is both an app framework and a headless CMS.

Hey is a decentralized and permissionless social media app built with Lens Protocol 🌿

Headless TypeScript ORM with a head. Runs on Node, Bun and Deno. Lives on the Edge and yes, it's a JavaScript ORM too 😅

A light-weight, no-dependency, vanilla JavaScript engine to drive the user's focus across the page

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer. Multiple engine support (llama.cpp, TensorRT-LLM)

Umami is a simple, fast, privacy-focused alternative to Google Analytics.

Personalizing LLM Responses

Open-Sora: Democratizing Efficient Video Production for All

Peace of mind from prototype to production

Self-hosted AI coding assistant

CodeEdit App for macOS – Elevate your code editing experience. Open source, free forever.

🦔 PostHog provides open-source product analytics, session recording, feature flagging and A/B testing that you can self-host.

Instant-loading web apps, without effort

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

Free and Open Source Enterprise Resource Planning (ERP)

Collection of essential Vue Composition Utilities for Vue 2 and 3

Simple, open source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics.

Empowering People Ethically with the leading open source alternative to Google Analytics that gives you full control over your data. Matomo lets you easily collect data from websites & apps and visualise this data and extract insights. Privacy is built-in. Liberating Web Analytics. Star us on Github? +1. And we love Pull Requests!

WordPress, Git-ified. This repository is just a mirror of the WordPress subversion repository. Please do not send pull requests. Submit pull requests to https://github.com/WordPress/wordpress-develop and patches to https://core.trac.wordpress.org/ instead.

🕸️ Web apps in pure Python 🐍

Web Framework built on Web Standards

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

web development, streamlined

Command-line tool to customize Spotify client. Supports Windows, MacOS, and Linux.

A collection of beautiful full-stack components for Laravel. The perfect starting point for your next app. Using Livewire, Alpine.js and Tailwind CSS.

Open-source link management infrastructure for modern marketing teams. Loved by world-class teams like Framer, Raycast, Perplexity and more.

An open-source Chinese font derived from Fontworks' Klee One. 一款开源中文字体，基于 FONTWORKS 出品字体 Klee One 衍生。

Enhanced ChatGPT Clone: Features OpenAI, Assistants API, Azure, Groq, GPT-4 Vision, Mistral, Bing, Anthropic, OpenRouter, Vertex AI, Gemini, AI model switching, message search, langchain, DALL-E-3, ChatGPT Plugins, OpenAI Functions, Secure Multi-User System, Presets, completely open-source for self-hosting. More features in development

AdonisJS is a TypeScript-first web framework for building web apps and API servers. It comes with support for testing, modern tooling, an ecosystem of official packages, and more.

The instant on-demand atomic CSS engine.

Optimize React performance and make your React 70% faster in minutes, not months.

React components to build charts and dashboards

⏩ Open-source VS Code and JetBrains extensions that enable you to easily create your own modular AI software development system

Building a modern alternative to Salesforce, powered by the community.

Conductor is an event driven orchestration platform

Seamless REST/GraphQL API mocking library for browser and Node.js.

The leading data integration platform for ETL / ELT data pipelines from APIs, databases & files to data warehouses, data lakes & data lakehouses. Both self-hosted and Cloud-hosted.

Radix Primitives is an open-source UI component library for building high-quality, accessible design systems and web apps. Maintained by @workos.

rhythm is just a *click* away!

♾ Infisical is the open-source secret management platform: Sync secrets across your team/infrastructure and prevent secret leaks.

Fully open source, End to End Encrypted alternative to Google Photos and Apple Photos

Scala 2 compiler and standard library. Bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3

The Cloud-Native API Gateway

🚀 A robust, performance-focused, and full-featured Redis client for Node.js.

GPT based autonomous agent that does online comprehensive research on any given topic

💌 Build and send emails using React

The fastest way to develop full-stack web apps with React & Node.js.

🍍 Intuitive, type safe, light and flexible Store for Vue using the composition api with DevTools support

The developer platform for on-demand cloud development environments to create software faster and more securely.

WordPress starter theme with Laravel Blade components and templates, Tailwind CSS, and a modern development workflow

Next generation testing framework powered by Vite.

Vite & Vue powered static site generator.

A Q&A platform software for teams at any scales. Whether it's a community forum, help center, or knowledge management platform, you can always count on Apache Answer.

Notion-style WYSIWYG editor with AI-powered autocompletion.

A zero-config, drop-in animation utility that adds smooth transitions to your web app. You can use it with React, Vue, or any other JavaScript application.

An open source payments switch written in Rust to make payments fast, reliable and affordable

💻 Medis is a beautiful, easy-to-use Mac database management application for Redis.

The GitLab/GitHub for database DevOps. World's most advanced database DevOps and CI/CD for Developer, DBA and Platform Engineering teams.

Next-gen identity server replacing your Auth0, Okta, Firebase with hardened security and PassKeys, SMS, OIDC, Social Sign In, MFA, FIDO, TOTP and OTP, WebAuthn, passwordless and much more. Golang, headless, API-first. Available as a worry-free SaaS with the fairest pricing on the market!

A free open source IT asset/license management system

🤖 Chat with your SQL database 📊. Accurate Text-to-SQL Generation via LLMs using RAG 🔄.

A distributed, fast open-source graph database featuring horizontal scalability and high availability

Hydra is a game launcher with its own embedded bittorrent client and a self-managed repack scraper.

Beautiful & consistent icon toolkit made by the community. Open-source project and a fork of Feather Icons.

The Block Editor project for WordPress and beyond. Plugin is available from the official repository.

A minimalist CSS framework.

Next Generation Vue UI Component Library

700+ Pure CSS, SVG, PNG & Figma UI Icons Available in SVG Sprite, styled-components, NPM & API and 6000 glyphs

A fully open source & end-to-end encrypted note taking alternative to Evernote.

Fast drag and drop for any experience on any tech stack

Fast and secure standalone server for resizing and converting remote images

Trigger.dev is the open source background jobs platform for TypeScript.

🧑‍🚀 The better identity infrastructure for developers and the open-source alternative to Auth0.

Free Modern URL Shortener.

OceanBase is an enterprise distributed relational database with high availability, high performance, horizontal scalability, and compatibility with SQL standards.

A tiny (239B) utility for constructing `className` strings conditionally.

Fancy stream processing made operationally mundane

The Open Source Dev Environment Manager.

⛅️ 精选的 Cloudflare 工具、开源项目、指南、博客和其他资源列表。/ ⛅️ A curated list of Cloudflare tools, open source projects, guides, blogs and other resources.

Build AI-powered applications with React, Svelte, Vue, and Solid

Toolkit for building accessible web apps with React

The Open Source DocuSign Alternative.

⚡️⚡️⚡️Self-hosted collaborative bookmark manager to collect, organize, and preserve webpages and articles.

Infinitely scalable, event-driven, language-agnostic orchestration and scheduling platform to manage millions of workflows declaratively in code.

Open-source UI component library and front-end development framework based on Tailwind CSS

A free, open-source SaaS app starter for React & Node.js with superpowers. Production-ready. Community-driven.

Fathom Lite. Simple, privacy-focused website analytics. Built with Golang & Preact.

Open-source serverless enterprise CMS. Includes a headless CMS, page builder, form builder, and file manager. Easy to customize and expand. Deploys to AWS.

Color package for Go (golang)

Your image is almost there!

A beautiful home cloud OS for self-hosting with an app store. Buy a pre-built Umbrel Home with umbrelOS, or install on a Raspberry Pi 4, Pi 5, or any x86 device.

Showcase your skills on your Github readme or resumé with ease ✨

Low code web framework for real world applications, in Python and Javascript

Simple, lightweight model-based validation for Vue.js

Simple framework for creating REST APIs

SQL stream processing, analytics, and management. PostgreSQL simplicity, unrivaled performance, and seamless elasticity. 🚀 10x more productive. 🚀 10x more cost-efficient.

Build Conversational AI in minutes ⚡️

A Chaos Engineering Platform for Kubernetes.

Open Source Survey Platform

Python SQL Parser and Transpiler

The missing star history graph of GitHub repos - https://star-history.com

HeyForm is an open-source form builder that allows anyone to create engaging conversational forms for surveys, questionnaires, quizzes, and polls. No coding skills required.

Official Git mirror of the SQLite source tree

htop - an interactive process viewer

React hook library, ready to use, written in Typescript.

Build your own second brain with supermemory. It's a ChatGPT for your bookmarks. Import tweets or save websites and content using the chrome extension.

A reactive notebook for Python — run reproducible experiments, execute as a script, deploy as an app, and version with git.

WordPress boilerplate with Composer, easier configuration, and an improved folder structure

Open source DocuSign alternative. Create, fill, and sign digital documents ✍️

Rich, real-time user experiences with server-rendered HTML

[WIP]en: web design tool || mobile page builder/editor || mini webflow for mobile page. zh: 类似易企秀的H5制作、建站工具、可视化搭建系统.

💼 An enterprise-grade Next.js boilerplate for high-performance, maintainable apps. Packed with features like Tailwind CSS, TypeScript, ESLint, Prettier, testing tools, and more to accelerate your development.

🏓 The open-source synthetic & real user monitoring platform 🏓

An AI-powered search engine with a generative UI

The modular and type safe schema library for validating structural data 🤖

A Blazing Fast AI Gateway. Route to 100+ LLMs with 1 fast & friendly API.

Next Generation Server Toolkit. Create web servers with everything you need and deploy them wherever you prefer.

The Scala 3 compiler, also known as Dotty.

Beautiful API references from OpenAPI/Swagger files ✨

Connect, collaborate, and grow with a community of TypeScript developers

Open source Authentication and User Management platform for B2B and B2C.

A javascript Bitcoin library for node.js and browsers.

Class Variance Authority

🪢 Open source LLM engineering platform. Observability, metrics, evals, prompt management, testing, prompt playground, datasets, LLM evaluations -- 🍊YC W23

A headless GraphQL commerce platform for the modern web

Generative AI suite powered by state-of-the-art models and providing advanced AI/AGI functions. It features AI personas, AGI functions, multi-model chats, text-to-image, voice, response streaming, code highlighting and execution, PDF import, presets for developers, much more. Deploy on-prem or in the cloud.

A full-stack Next.js app with multi-tenancy and custom domain support. Built with Next.js App Router and the Vercel Domains API.

An open source e-commerce skateshop build with everything new in Next.js.

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

⚡️ Icon Explorer with Instant searching, powered by Iconify

Perfect Next.js dark mode in 2 lines of code. Support System preference and any other theme with no flashing

A programming language for the cloud ☁️ A unified programming model, combining infrastructure and runtime code into one language ⚡

Run your business smarter

Next-gen, Pusher-compatible, open-source WebSockets server. Simple, fast, and resilient. 📣

A single Web3 provider solution for all Wallets

Open Source Feature Flagging and Remote Config Service. Host on-prem or use our hosted version at https://flagsmith.com/

OneUptime is the complete open-source observability platform.

Marvellous code walkthroughs

Open Source alternative to Webflow

🌟 Build beautiful, accessible, high-performance documentation websites with Astro

Tuist's CLI

Chat-based SQL Client and Editor for the next decade

🌍 📖 A readable, automated, and optimized (3 kb) internationalization for JavaScript

Docker images for .NET and the .NET Tools.

Vue port of shadcn-ui

🧩 Content editing tech stack for the web - BlockSuite is a toolkit for building editors and collaborative applications.

Self-hosted, Node.js based analytics tool for those who care about privacy.

Vue Forms ⚡️ Supercharged

Functional utility library - modern, simple, typed, powerful

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

Flutter/Dart <-> Rust binding generator, feature-rich, but seamless and simple.

A curation of awesome portfolio website ideas for developers and designers to draw inspiration from. Raise a pull request to add more. 💜

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

ZIO — A type-safe, composable library for async and concurrent programming in Scala

😱 A better fetch API. Works on node, browser and workers.

Open-source cloud-environment inspector. Supporting AWS, GCP, Azure, and more! Your cloud resources will have nowhere to hide!

🚦 The official router for Vue.js

Lua + libUV + jIT = pure awesomesauce

A UI Library for Modern Web Apps, powered by Vue & Tailwind CSS.

Effortless, instant screen sharing. Open-source and cross-platform.

🛠️ The recommended way to start a Vite-powered Vue project

Fluro is a Flutter routing library that adds flexible routing options like wildcards, named parameters and clear route definitions.

Enterprise-ready, GitOps enabled, CloudNative feature management solution

Your own API Hub to learn and master API interaction. Ideal for frontend, mobile dev and backend developers.

⚡️ Minimal H(TTP) framework built for high performance and portability

A web tool for converting BIP39 mnemonic codes

Source available experience management infrastructure. Pioneering the future of experiences with XOS (Experience Operating System). Hubspot + Qualtrics alternative

A curation of awesome portfolio website ideas for developers and designers to draw inspiration from. Raise a pull request to add more. 💜