Discover the Best Open Source Repositories

BigBlueButton

BigBlueButton is an open-source virtual classroom with video, whiteboards, polling, and breakout rooms for teaching.

Alternative to:

Google Meet

Stars9.2K

Forks6K

Last commit5 hours ago

Ghostfolio

Open-source wealth management app for tracking stocks, ETFs, and crypto with portfolio performance analytics.

Alternative to:

Kubera

Stars9K

Forks1.2K

Last commit8 hours ago

HeyForm

HeyForm is an open source conversational form builder for surveys, quizzes, and polls, with logic, theming, and analytics.

Alternative to:

Typeform

Stars8.9K

Forks688

Last commit6 days ago

Anytype

Anytype is a local-first, end-to-end encrypted personal knowledge base for building pages, wikis, and databases with peer-to-peer sync.

Alternative to:

Notion

Stars8.5K

Forks553

Last commit11 hours ago

Vendure

Vendure is an open source, headless commerce platform built on Node.js, NestJS, and GraphQL for D2C, B2B, and marketplace stores.

Alternative to:

commercetools

Stars8.3K

Forks1.5K

Last commit12 hours ago

GrowthBook

GrowthBook is an open source, warehouse-native platform for feature flags, experimentation, and product analytics.

Alternative to:

LaunchDarkly

Stars8.1K

Forks808

Last commit2 hours ago

Standard Notes

Standard Notes is an end-to-end encrypted note-taking app with cross-platform sync and a self-hostable, public source codebase.

Alternative to:

Evernote

Stars6.6K

Forks539

Last commit2 hours ago

Flagsmith

Flagsmith is an open source feature flag, remote config, and A/B testing platform with on-premise hosting options.

Alternative to:

LaunchDarkly

Stars6.5K

Forks555

Last commit8 hours ago

Lightdash

Lightdash is an open-source BI tool that turns your dbt project's metrics and dimensions into shareable dashboards.

Alternative to:

Looker

Stars6K

Forks750

Last commit4 hours ago

Zammad

Web-based, open-source helpdesk platform unifying email, chat, phone, and social support in one place.

Alternative to:

Freshdesk

Stars5.8K

Forks1K

Last commit14 hours ago

Baserow

Baserow is an open source, no-code platform for building databases, applications, automations, and dashboards, self-hosted or cloud.

Alternative to:

Airtable

Stars5.4K

Forks672

Last commit11 hours ago

Vikunja

Vikunja is a self-hosted to-do and task management app with an AGPL-licensed API and web client for organizing personal and team work.

Alternative to:

Todoist

Stars4.9K

Forks573

Last commit2 hours ago

FreeScout

FreeScout is a free, open source help desk and shared inbox built with PHP and Laravel, positioned as a Zendesk and Help Scout alternative.

Alternative to:

Help Scout

Stars4.4K

Forks695

Last commit18 hours ago

erxes

erxes is an open source Experience Operating System unifying marketing, sales, support, and operations in one platform.

Alternative to:

HubSpot

Stars4K

Forks1.3K

Last commit1 hour ago

React

A JavaScript library from Meta for building user interfaces out of reusable, declarative components. Renders in the browser, on servers, or natively.

Stars246.7K

Forks51.2K

Last commit6 hours ago

n8n

A fair-code workflow automation platform combining a visual canvas with custom code, 1500+ integrations, and self-hosted or cloud deployment.

Alternative to:

Make

Stars198.5K

Forks59.7K

Last commit3 hours ago

VS Code

The open source repository (Code - OSS) behind Visual Studio Code, offering code editing, debugging, and a rich extension model for any language.

Alternative to:

Sublime Text

Stars188K

Forks41.3K

Last commit1 hour ago

Flutter

Google's open source SDK for building mobile, web, and desktop apps from a single Dart codebase, with hardware-accelerated rendering and hot reload.

Stars178K

Forks30.8K

Last commit1 hour ago

yt-dlp

A feature-rich command-line audio and video downloader supporting thousands of sites, with format selection, subtitles, and metadata handling.

Stars180.8K

Forks15.4K

Last commit5 days ago

Ollama

A tool for running open large language models locally, with a CLI, REST API, Python and JavaScript libraries, and integrations with coding agents.

Stars177.1K

Forks17.2K

Last commit2 hours ago

Transformers

A model-definition library from Hugging Face for text, vision, audio, and multimodal models, compatible with major training and inference frameworks.

Stars163.1K

Forks34.1K

Last commit3 hours ago

Open WebUI

A self-hosted, offline-capable AI platform with a chat interface, built-in RAG, plugin support, and connections to Ollama and OpenAI-compatible APIs.

Alternative to:

ChatGPT

Stars147.1K

Forks21.4K

Last commit1 day ago

LangChain

A Python and JS framework for building LLM-powered apps and agents, with a standard interface for models, embeddings, vector stores, and tools.

Stars142.8K

Forks23.8K

Last commit3 hours ago

Next.js

A React framework from Vercel for building full-stack web apps, with Rust-based tooling for fast builds and built-in routing and rendering.

Stars141.1K

Forks31.6K

Last commit1 hour ago

Excalidraw

An open source, collaborative whiteboard with a hand-drawn style, end-to-end encryption, and an embeddable npm package for building it into other apps.

Alternative to:

Figma

Stars128.6K

Forks14.6K

Last commit11 hours ago

React Native

A framework from Meta for building native mobile apps with React, using native UI controls with full access to the native platform on iOS and Android.

Stars126.3K

Forks25.2K

Last commit7 hours ago

Kubernetes

An open source system for deploying, scaling, and managing containerized applications across clusters of hosts.

Stars124K

Forks43.6K

Last commit7 hours ago

ComfyUI

A node-based interface for running Stable Diffusion and other generative AI models to create images, video, 3D, and audio locally or via API.

Alternative to:

Midjourney

Stars122.7K

Forks14.5K

Last commit4 hours ago

llama.cpp

A C/C++ engine for running LLM inference locally on CPUs and GPUs, with quantization and an OpenAI-compatible server.

Stars121.9K

Forks21.1K

Last commit4 hours ago

shadcn/ui

An open-source library of customizable UI components you copy into your own project instead of installing as a dependency.

Stars120K

Forks9.6K

Last commit13 hours ago

Immich

A self-hosted photo and video management platform with mobile backup, facial recognition, and metadata search, licensed under AGPLv3.

Alternative to:

Google Photos

Stars109.1K

Forks6.4K

Last commit3 hours ago

Supabase

Postgres database platform with auto-generated REST and GraphQL APIs, authentication, realtime subscriptions, file storage, and edge functions.

Alternative to:

Firebase

Stars107.2K

Forks13.3K

Last commit3 hours ago

PyTorch

PyTorch: a Python library for GPU-accelerated tensors and dynamic neural networks with tape-based autograd.

Stars102K

Forks28.6K

Last commit1 hour ago

Neovim

Neovim is an extensible fork of Vim with an embedded API, Lua scripting, async job control, and a built-in terminal emulator.

Stars101.4K

Forks7K

Last commit3 hours ago

FastAPI

A Python web framework for building APIs with type hints, automatic data validation, and generated OpenAPI docs.

Stars101K

Forks9.7K

Last commit13 hours ago

BigBlueButton

BigBlueButton is an open-source virtual classroom with video, whiteboards, polling, and breakout rooms for teaching.

Alternative to:

Google Meet

Stars9.2K

Forks6K

Last commit5 hours ago

Ghostfolio

Open-source wealth management app for tracking stocks, ETFs, and crypto with portfolio performance analytics.

Alternative to:

Kubera

Stars9K

Forks1.2K

Last commit8 hours ago

HeyForm

HeyForm is an open source conversational form builder for surveys, quizzes, and polls, with logic, theming, and analytics.

Alternative to:

Typeform

Stars8.9K

Forks688

Last commit6 days ago

Anytype

Anytype is a local-first, end-to-end encrypted personal knowledge base for building pages, wikis, and databases with peer-to-peer sync.

Alternative to:

Notion

Stars8.5K

Forks553

Last commit11 hours ago

Vendure

Vendure is an open source, headless commerce platform built on Node.js, NestJS, and GraphQL for D2C, B2B, and marketplace stores.

Alternative to:

commercetools

Stars8.3K

Forks1.5K

Last commit12 hours ago

GrowthBook

GrowthBook is an open source, warehouse-native platform for feature flags, experimentation, and product analytics.

Alternative to:

LaunchDarkly

Stars8.1K

Forks808

Last commit2 hours ago

Standard Notes

Standard Notes is an end-to-end encrypted note-taking app with cross-platform sync and a self-hostable, public source codebase.

Alternative to:

Evernote

Stars6.6K

Forks539

Last commit2 hours ago

Flagsmith

Flagsmith is an open source feature flag, remote config, and A/B testing platform with on-premise hosting options.

Alternative to:

LaunchDarkly

Stars6.5K

Forks555

Last commit8 hours ago

Lightdash

Lightdash is an open-source BI tool that turns your dbt project's metrics and dimensions into shareable dashboards.

Alternative to:

Looker

Stars6K

Forks750

Last commit4 hours ago

Zammad

Web-based, open-source helpdesk platform unifying email, chat, phone, and social support in one place.

Alternative to:

Freshdesk

Stars5.8K

Forks1K

Last commit14 hours ago

Baserow

Baserow is an open source, no-code platform for building databases, applications, automations, and dashboards, self-hosted or cloud.

Alternative to:

Airtable

Stars5.4K

Forks672

Last commit11 hours ago

Vikunja

Vikunja is a self-hosted to-do and task management app with an AGPL-licensed API and web client for organizing personal and team work.

Alternative to:

Todoist

Stars4.9K

Forks573

Last commit2 hours ago

FreeScout

FreeScout is a free, open source help desk and shared inbox built with PHP and Laravel, positioned as a Zendesk and Help Scout alternative.

Alternative to:

Help Scout

Stars4.4K

Forks695

Last commit18 hours ago

erxes

erxes is an open source Experience Operating System unifying marketing, sales, support, and operations in one platform.

Alternative to:

HubSpot

Stars4K

Forks1.3K

Last commit1 hour ago

React

A JavaScript library from Meta for building user interfaces out of reusable, declarative components. Renders in the browser, on servers, or natively.

Stars246.7K

Forks51.2K

Last commit6 hours ago

n8n

A fair-code workflow automation platform combining a visual canvas with custom code, 1500+ integrations, and self-hosted or cloud deployment.

Alternative to:

Make

Stars198.5K

Forks59.7K

Last commit3 hours ago

VS Code

The open source repository (Code - OSS) behind Visual Studio Code, offering code editing, debugging, and a rich extension model for any language.

Alternative to:

Sublime Text

Stars188K

Forks41.3K

Last commit1 hour ago

Flutter

Google's open source SDK for building mobile, web, and desktop apps from a single Dart codebase, with hardware-accelerated rendering and hot reload.

Stars178K

Forks30.8K

Last commit1 hour ago

yt-dlp

A feature-rich command-line audio and video downloader supporting thousands of sites, with format selection, subtitles, and metadata handling.

Stars180.8K

Forks15.4K

Last commit5 days ago

Ollama

A tool for running open large language models locally, with a CLI, REST API, Python and JavaScript libraries, and integrations with coding agents.

Stars177.1K

Forks17.2K

Last commit2 hours ago

Transformers

A model-definition library from Hugging Face for text, vision, audio, and multimodal models, compatible with major training and inference frameworks.

Stars163.1K

Forks34.1K

Last commit3 hours ago

Open WebUI

A self-hosted, offline-capable AI platform with a chat interface, built-in RAG, plugin support, and connections to Ollama and OpenAI-compatible APIs.

Alternative to:

ChatGPT

Stars147.1K

Forks21.4K

Last commit1 day ago

LangChain

A Python and JS framework for building LLM-powered apps and agents, with a standard interface for models, embeddings, vector stores, and tools.

Stars142.8K

Forks23.8K

Last commit3 hours ago

Next.js

A React framework from Vercel for building full-stack web apps, with Rust-based tooling for fast builds and built-in routing and rendering.

Stars141.1K

Forks31.6K

Last commit1 hour ago

Excalidraw

An open source, collaborative whiteboard with a hand-drawn style, end-to-end encryption, and an embeddable npm package for building it into other apps.

Alternative to:

Figma

Stars128.6K

Forks14.6K

Last commit11 hours ago

React Native

A framework from Meta for building native mobile apps with React, using native UI controls with full access to the native platform on iOS and Android.

Stars126.3K

Forks25.2K

Last commit7 hours ago

Kubernetes

An open source system for deploying, scaling, and managing containerized applications across clusters of hosts.

Stars124K

Forks43.6K

Last commit7 hours ago

ComfyUI

A node-based interface for running Stable Diffusion and other generative AI models to create images, video, 3D, and audio locally or via API.

Alternative to:

Midjourney

Stars122.7K

Forks14.5K

Last commit4 hours ago

llama.cpp

A C/C++ engine for running LLM inference locally on CPUs and GPUs, with quantization and an OpenAI-compatible server.

Stars121.9K

Forks21.1K

Last commit4 hours ago

shadcn/ui

An open-source library of customizable UI components you copy into your own project instead of installing as a dependency.

Stars120K

Forks9.6K

Last commit13 hours ago

Immich

A self-hosted photo and video management platform with mobile backup, facial recognition, and metadata search, licensed under AGPLv3.

Alternative to:

Google Photos

Stars109.1K

Forks6.4K

Last commit3 hours ago

Supabase

Postgres database platform with auto-generated REST and GraphQL APIs, authentication, realtime subscriptions, file storage, and edge functions.

Alternative to:

Firebase

Stars107.2K

Forks13.3K

Last commit3 hours ago

PyTorch

PyTorch: a Python library for GPU-accelerated tensors and dynamic neural networks with tape-based autograd.

Stars102K

Forks28.6K

Last commit1 hour ago

Neovim

Neovim is an extensible fork of Vim with an embedded API, Lua scripting, async job control, and a built-in terminal emulator.

Stars101.4K

Forks7K

Last commit3 hours ago

FastAPI

A Python web framework for building APIs with type hints, automatic data validation, and generated OpenAPI docs.

Stars101K

Forks9.7K

Last commit13 hours ago

Discover the Best Open Source Repositories

A curated directory of the best GitHub repositories, ranked by stars and organized by category. Find your next open-source tool, framework, or library.