Open-source AI tools
Editorial picks for "best open source ai tools".
48 tools
CrewAI
FeaturedPython framework for multi-agent orchestration.
Cline
Open-source agentic coding assistant that plans, edits, and runs code inside your IDE
Google Vertex AI
Google Cloud's unified platform for building, deploying, and scaling enterprise AI agents and models.
Glean
Work AI platform that unifies enterprise knowledge, search, and agents
Aider
Terminal-based AI pair programmer that writes commits.
Amp (Sourcegraph)
Frontier coding agent from Sourcegraph with pass-through model pricing
ChatGLM (Zhipu Qingyan)
Zhipu AI's bilingual ChatGLM assistant with agents, code, image and video generation
PyCaret
Low-code Python AutoML library that wraps scikit-learn, XGBoost, LightGBM and friends behind a few-line API.
Quivr
Open-source RAG framework for building custom AI assistants over your own documents in a few lines of Python.
Semantic Kernel
Microsoft's open-source SDK for wiring LLMs, plugins, and agents into enterprise .NET, Python, and Java apps.
Helicone
Open-source LLM observability — one-line proxy install.
n8n
Source-available workflow automation with first-class AI-agent and RAG building blocks.
AgentOps
Observability and debugging platform purpose-built for AI agents, with time-travel replay and cost tracking across 400+ LLMs.
Arize AI
Enterprise observability and evaluation platform for LLM agents and generative AI applications.
Browser Use
Open-source browser automation harness and cloud platform for LLM agents that drive real websites.
Claude Code
Anthropic's agentic coding tool that reads, edits, and ships code from the terminal, IDE, or web.
Daytona
Secure, isolated sandboxes for running AI-generated code with sub-90ms cold starts.
HyperFrames
Open-source video composition framework that lets AI agents build videos by writing HTML, CSS, and JS.
Jan
Open-source desktop ChatGPT alternative that runs local LLMs and routes to cloud providers from one app.
LibreChat
Open-source, self-hostable ChatGPT-style frontend that brings every major LLM provider under one roof.
LTX Studio
Storyboard-first AI video platform from Lightricks with shot-level camera and character control.
Vespa
Yahoo's open-source search engine with vector + sparse retrieval.
Berkeley Function-Calling Leaderboard
Open benchmark from UC Berkeley that ranks LLMs on real-world tool-use and function-calling accuracy.
Cube
Semantic layer that grounds LLM agents in your real business metrics instead of letting them hallucinate SQL.
Langflow
Open-source visual builder for LangChain-style AI agents and RAG pipelines.
Mastra
Open-source TypeScript framework for building, deploying, and observing AI agents and workflows.
MLflow
Open-source platform for tracking, evaluating, and deploying ML models and LLM applications.
Repomix
Packs an entire codebase into a single AI-friendly file so LLMs can actually read your repo.
Respeecher
Studio-grade AI voice cloning and TTS used by Hollywood productions for speech-to-speech and dubbing work.
Windsurf
AI-native IDE turned agent command center, now folded into Cognition's Devin lineup.
ChatGPT
OpenAI's flagship conversational assistant, and the default benchmark every other chatbot is measured against.
Gemini CLI
Google's open-source terminal agent that brings Gemini 3 into your shell for codebase edits and workflow automation.
Hume AI
Emotionally intelligent voice AI with expressive TTS, speech-to-speech, and human-feedback evaluation APIs.
OpenHands
Open-source autonomous coding agent that plans, edits, and ships changes across real codebases.
pgMagic
Mac desktop client that lets you chat with your Postgres database in natural language using your own OpenAI key.
Rivet
Open-source visual IDE for building and debugging LLM agent graphs.
Khoj
Open-source personal AI that builds agents, searches your documents, and automates research across local files and the web.
LLM Stats
Live leaderboard and side-by-side comparison hub for 300+ frontier LLMs across reasoning, coding, and multimodal benchmarks.
TypingMind
BYOK chat frontend that puts GPT, Claude, Gemini, and local models behind one polished UI.
oMLX
Native macOS LLM inference server built on MLX, with paged SSD KV caching for Apple Silicon agents.
Langchain-Chatchat
Self-hostable RAG and agent framework that wires LangChain to any local open-source LLM and a knowledge base.
Model Context Protocol
Open standard that lets AI apps plug into data sources, tools, and workflows like USB-C for LLMs.
AgentMemory
Open-source persistent memory runtime for AI coding agents, with hybrid retrieval and zero external dependencies.
AstrBot
Open-source agentic AI assistant that bridges chat platforms like Telegram, Discord, and QQ with any LLM and a 1000+ plugin ecosystem.
CAI
Open-source agent framework for offensive security, bug bounty automation, and AI-driven penetration testing.
Gorilla
Open-source LLM purpose-built for function calling and API invocation across thousands of tools.
Langfuse
Open-source LLM observability, prompt management, and evaluation in one platform.
MMagic
OpenMMLab's research-grade toolbox for image and video generation, restoration, and editing.