Open-source AI tools
AI tools with public source code: local model runners, frameworks, coding agents, image models and more that you can inspect and self-host.
Gemini CLINew
github.com
Google's open-source agent for the terminal
Zed
zed.dev
Fast collaborative editor with agentic editing
Cline
cline.bot
Open-source coding agent for VS Code
Roo Code
roocode.com
Open-source dev team of agents in your editor
Kilo CodeNew
kilocode.ai
Open-source agentic coding for VS Code and JetBrains
OpenCodeNew
opencode.ai
Open-source AI coding agent for the terminal
Aider
aider.chat
AI pair programming in your terminal
Goose
block.github.io
Block's open-source, extensible local agent
OpenHands
all-hands.dev
Open-source autonomous software agents
Continue
continue.dev
Open-source assistants for your IDE and CI
Ollama
ollama.com
Run open models locally with one command
llama.cpp
github.com
Run LLMs efficiently on almost any hardware
vLLM
vllm.ai
High-throughput open-source inference engine
Unsloth
unsloth.ai
Fine-tune open models faster with less memory
LangChain
langchain.com
LangChain and LangGraph for building agents
LlamaIndex
llamaindex.ai
Connect LLMs to your documents and data
Vercel AI SDK
ai-sdk.dev
TypeScript toolkit for AI apps
Mastra
mastra.ai
TypeScript framework for agents and workflows
Pydantic AI
ai.pydantic.dev
Type-safe Python agent framework
DSPy
dspy.ai
Program language models instead of prompting them
Weaviate
weaviate.io
Open-source vector database
Qdrant
qdrant.tech
High-performance vector search engine
Chroma
trychroma.com
Open-source embedding database
Langfuse
langfuse.com
Open-source LLM tracing and evaluation
E2B
e2b.dev
Secure sandboxes for AI-generated code
n8n
n8n.io
Open workflow automation with AI agent nodes
OpenClawNew
openclaw.ai
Open-source personal agent that lives in your chat apps
Activepieces
activepieces.com
Open-source automation with AI pieces
Dify
dify.ai
Open-source platform for LLM apps and agents
Flowise
flowiseai.com
Drag-and-drop builder for LLM agents
Langflow
langflow.org
Visual framework for agentic workflows
CrewAI
crewai.com
Framework for multi-agent teams
Browser Use
browser-use.com
Let AI agents operate websites
Questions
Why use open-source AI tools?
You can run them on your own hardware, keep data private, avoid vendor lock-in and adapt them to your needs.
Do I need a powerful computer?
Some tools, like local model runners, benefit from a modern GPU. Many frameworks and utilities run on any laptop.