Fastest-Growing AI Open Source Projects by Stars in 2025

Gemini CLI is Google's official open-source AI command-line tool that integrates Gemini AI capabilities directly into the terminal.

A powerful low-code AI application building platform designed for creating intelligent agents and RAG applications.

An open-source Faircode workflow automation platform with native AI capabilities, combining visual building and custom code, supporting 400+ integrations.

An open-source Retrieval-Augmented Generation engine based on deep document understanding, providing accurate and reliable question answering capabilities for businesses of all sizes.

Playwright-based Model Context Protocol (MCP) server providing browser automation capabilities for LLMs

An open-source LLM application development platform that integrates agent workflows, RAG pipelines, model management, and more, allowing you to quickly go from prototype to production deployment.

Serena is a powerful coding agent toolkit that transforms large language models (LLMs) into a fully functional agent, working directly on your codebase.

A feature-rich, self-hosted AI chat interface that supports Ollama and OpenAI API, providing a completely offline AI conversation experience.

A powerful and modular Stable Diffusion visual interface with node-based workflow design.

vllm is a fast and easy-to-use library for fast inference of large language models.

A fully localized AI intelligent assistant that requires no API calls and has autonomous web browsing, code writing, and task planning capabilities.

Open-source, high-performance web crawler and data extraction tool optimized for LLMs and AI agents.

Ollama: Run, create, and share large language models locally.

An open-source framework for building MCP servers and clients in a fast, Pythonic way.

The easiest way for AI agents to connect to and control browsers, enabling website automation.

A no-code, low-code large language model fine-tuning and deployment framework that supports unified and efficient fine-tuning of 100+ LLMs/VLMs.

A lightweight multi-agent system development framework with support for memory, knowledge, and reasoning capabilities.

A free and open-source web-based video editor, an alternative to CapCut, supporting privacy protection and watermark-free editing.

AI Query Engine - An open-source platform to build and deploy machine learning models on large-scale federated data sources using SQL syntax.

Transforms entire websites into LLM-ready Markdown or structured data, with scraping, crawling, and extraction through a single API.

An AI large model-based one-click HD short video generation tool

A lightweight multi-agent workflow building framework that supports inter-agent collaboration, tool invocation, and process orchestration.

Unsloth: Efficient fine-tuning and reinforcement learning tool for large language models - 2x faster training, 70% less memory usage

An open-source drag-and-drop visual AI agent building platform based on LangChain technology, allowing users to quickly create custom LLM applications without programming.

A community-driven deep research framework based on large language models, integrating professional tools such as web search, crawlers, and Python execution.

GitHub MCP Server is a Model Context Protocol (MCP) server designed to seamlessly integrate with the GitHub API, providing developers and tools with advanced automation and interaction capabilities.

An open-source multi-agent AI application framework developed by Microsoft, supporting multiple AI agents to collaborate on solving complex tasks.

GPT-SoVITS: A few-shot voice cloning tool that can train a high-quality TTS model with just 1 minute of voice data.

PaddleOCR aims to create a rich, leading, and easy-to-use OCR toolkit to help developers train better, faster, and more accurate OCR models.

Open-source, all-in-one AI desktop application with built-in RAG, AI agents, and a no-code agent builder.

A real-time temporal knowledge graph construction framework for AI agents

A multi-agent collaborative automation framework that enables AI agents to work together like team members to execute complex tasks.

Unified LLM API gateway, supporting OpenAI format calls for 100+ large language model providers

llama.cpp is a LLaMA model inference engine written in pure C/C++, designed for high performance and low resource usage.

Multi-agent framework, the first AI software company, enabling natural language programming

A Gradio-based Stable Diffusion Web UI interface, providing AI painting functions such as text-to-image and image-to-image.

Transformers provides thousands of pre-trained models to support tasks in over 100 languages across text, vision, audio, and more.

AI-based conceptual hedge fund using a multi-agent system to simulate investment decisions

An AI-based open-source quantitative investment platform that provides a complete machine learning pipeline for financial data modeling and investment strategy development.

LightRAG is a simple and fast Retrieval-Augmented Generation framework that supports multiple query modes and knowledge graph construction.

An open-source, modern AI chat framework that supports multiple AI providers, knowledge base management, multimodal interaction, and more.

A browser automation tool based on the MCP protocol, allowing AI applications to control your browser.

MediaCrawler is a powerful multi-platform social media crawler tool.

A free and open-source OpenAI alternative that supports local deployment and inference, allowing you to run large language models without a GPU.

A TypeScript-based AI agent framework for quickly building AI applications and features.

YOLOv5 is a state-of-the-art, real-time object detection model based on PyTorch, supporting object detection, image segmentation, and image classification tasks.

MCP Database Toolbox is an open-source MCP server designed to simplify database tool development, providing features like connection pooling and authentication.

A leading data framework for building LLM-powered intelligent agents, specializing in private data augmentation.

Exo: Run your own AI cluster at home using everyday devices

A feature-rich Model Context Protocol (MCP) gateway and registry that provides unified management of tools, resources, and prompts, supports REST API to MCP protocol conversion, and features security and observability.