Free AI tools you
actually own
Run them locally, self-host them, modify them. Your data stays yours. No subscriptions, no API limits, no vendor lock-in.
Ollama
Local LLMsRun LLMs on your own laptop — one command, zero cloud
Open WebUI
Local LLMsBeautiful ChatGPT-like interface for your local Ollama models
Llama (Meta)
Open-Weight ModelsMeta's frontier open-weight model — free to download and run
DeepSeek-V3
Open-Weight ModelsChinese frontier model rivalling GPT-4 — fully open weights
Mistral
Open-Weight ModelsEfficient French open-weight models — fast, small, capable
OpenCode
CodingOpen-source AI coding agent — 95k stars, terminal-native, 75+ LLM providers
Aider
CodingAI pair programmer in your terminal — edit real files, commit to Git
Continue
CodingOpen-source VS Code / JetBrains AI extension — GitHub Copilot alternative
LangChain
FrameworksThe foundational framework for building LLM applications and agents
LlamaIndex
FrameworksThe best framework for RAG — index your documents, query with AI
vLLM
InferenceFastest open-source LLM inference engine — production-grade serving
Dify
App BuildersOpen-source LLM app platform — build AI workflows without deep coding
ChromaDB
Vector DatabasesThe simplest open-source vector database — start in 5 lines of Python
Qdrant
Vector DatabasesProduction-grade open-source vector database — written in Rust, blazing fast
Stable Diffusion
Image GenerationThe open-source image generation model — run locally, totally free
Flux.1
Image GenerationState-of-the-art open image model — better than Midjourney at text rendering
Whisper (OpenAI)
Audio / SpeechOpenAI's open-source speech-to-text — 99 languages, offline, free
Coqui TTS
Audio / SpeechOpen-source text-to-speech — natural voices, voice cloning, local
MLflow
MLOpsOpen-source experiment tracking and model registry — the MLOps standard
Apache Airflow
MLOpsOpen-source workflow orchestration — schedule and monitor data + ML pipelines
Evidently AI
MLOpsOpen-source ML monitoring — detect data drift and model degradation
n8n
AutomationOpen-source workflow automation — connect 400+ apps with AI logic
AutoGen (Microsoft)
AI AgentsMulti-agent conversation framework — AI agents that collaborate to solve problems