56 Free Open-Source AI Tools (2026)

As of 2026-10-18 we list 56 AI tools that are open source and free to self-host. The top-ranked are Lobe Chat (open source), n8n and Kilo Code.

Repomix
Pack a repository into a single AI-friendly file.
Free forever, Open source
AI Coding Assistants
AI Coding Assistants
Try
Compare
Neovim Avante
Cursor-like AI coding plugin for Neovim.
Free forever, Open source
AI Coding Assistants
AI Coding Assistants
Try
Compare
Shell GPT
Command-line productivity tool powered by LLMs.
Free forever, Open source
AI Coding Assistants
AI Coding Assistants
Try
Compare
Wave Terminal
Open-source terminal with built-in AI.
Free forever, Open source
AI Coding Assistants
AI Coding Assistants
Try
Compare
Screenshot to Code
Convert screenshots and designs to clean code with AI.
Free forever, Open source
AI Coding Assistants
AI Coding Assistants
Try
Compare
Srcbook
Open-source app builder and TypeScript notebook with AI.
Free forever, Open source
Vibe Coding
Vibe Coding
Try
Compare
Fooocus
Free open-source offline image generator built on Stable Diffusion XL.
Free forever, Open source
AI Image Generation
AI Image Generation
Try
Compare
Automatic1111
Open-source web UI for Stable Diffusion.
Free forever, Open source
AI Image Generation
AI Image Generation
Try
Compare
Ultimate Vocal Remover
Free open-source AI vocal and stem separation app.
Free forever, Open source
AI Audio & Voice
AI Audio & Voice
Try
Compare
Buzz
Free offline transcription with Whisper.
Free forever, Open source
AI Audio & Voice
AI Audio & Voice
Try
Compare
Vane (formerly Perplexica)
Open-source, self-hosted AI answering engine (the Perplexica repo now redirects to Vane).
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare
Cherry Studio
Open-source desktop AI client for multiple LLM providers.
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare
Big-AGI
Open-source multi-model AI chat suite.
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare
NextChat
Open-source cross-platform ChatGPT/Gemini UI.
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare
PocketPal AI
Free open-source app to run small LLMs on your phone.
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare
SillyTavern
Open-source front end for chatting with LLMs and characters.
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare

As of 2026-10-18 we list 56 AI tools that are open source and free to self-host. The top-ranked are Lobe Chat (open source), n8n and Kilo Code.

Repomix
Pack a repository into a single AI-friendly file.
Free forever, Open source
AI Coding Assistants
AI Coding Assistants
Try
Compare
Neovim Avante
Cursor-like AI coding plugin for Neovim.
Free forever, Open source
AI Coding Assistants
AI Coding Assistants
Try
Compare
Shell GPT
Command-line productivity tool powered by LLMs.
Free forever, Open source
AI Coding Assistants
AI Coding Assistants
Try
Compare
Wave Terminal
Open-source terminal with built-in AI.
Free forever, Open source
AI Coding Assistants
AI Coding Assistants
Try
Compare
Screenshot to Code
Convert screenshots and designs to clean code with AI.
Free forever, Open source
AI Coding Assistants
AI Coding Assistants
Try
Compare
Srcbook
Open-source app builder and TypeScript notebook with AI.
Free forever, Open source
Vibe Coding
Vibe Coding
Try
Compare
Fooocus
Free open-source offline image generator built on Stable Diffusion XL.
Free forever, Open source
AI Image Generation
AI Image Generation
Try
Compare
Automatic1111
Open-source web UI for Stable Diffusion.
Free forever, Open source
AI Image Generation
AI Image Generation
Try
Compare
Ultimate Vocal Remover
Free open-source AI vocal and stem separation app.
Free forever, Open source
AI Audio & Voice
AI Audio & Voice
Try
Compare
Buzz
Free offline transcription with Whisper.
Free forever, Open source
AI Audio & Voice
AI Audio & Voice
Try
Compare
Vane (formerly Perplexica)
Open-source, self-hosted AI answering engine (the Perplexica repo now redirects to Vane).
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare
Cherry Studio
Open-source desktop AI client for multiple LLM providers.
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare
Big-AGI
Open-source multi-model AI chat suite.
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare
NextChat
Open-source cross-platform ChatGPT/Gemini UI.
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare
PocketPal AI
Free open-source app to run small LLMs on your phone.
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare
SillyTavern
Open-source front end for chatting with LLMs and characters.
Free forever, Open source
Chatbots & LLMs
Chatbots & LLMs
Try
Compare

Repomix

Neovim Avante

Shell GPT

Wave Terminal

Screenshot to Code

Srcbook

Fooocus

Automatic1111

Ultimate Vocal Remover

Buzz

Vane (formerly Perplexica)

Cherry Studio

Big-AGI

NextChat

PocketPal AI

SillyTavern