Open WebUI is the free, self-hosted ChatGPT UI for Ollama and any OpenAI-compatible API. Install in 5 minutes; add RAG, web search and multi-user.

Langfuse is the free, open-source LLM observability platform: trace, debug, and evaluate AI apps. Self-host with no caps or use the free Cloud tier.

Five free, production-ready AI coding assistants for VS Code and the terminal in 2026 — Cline, Aider, Continue.dev, Codeium, and Tabby. Side-by-side comparison…

Bolt.new is a free, browser-based AI app builder from StackBlitz. Type a prompt, and Bolt scaffolds the project, runs npm install, boots a dev server,...

Aider is a free open-source AI pair programmer for the terminal. It still works, but we checked: last commit May 2026, last release Aug 2025, 1,838 open issues.

We ran four free models in a real agent runtime: the fastest debugger also reported a job done without moving a single file. Which backend to point Cline at, and the model IDs that no longer work.

Free AI video generation finally works in 2026. Kling delivers cinematic image-to-video, Pika nails stylized text-to-video for social, and HeyGen owns...

CrewAI, AutoGPT, and LangGraph are the three dominant open-source AI agent frameworks in 2026 — all free, all actively maintained, but built on...

n8n is the open-source Zapier alternative built for developers — 400+ integrations, AI agent nodes powered by OpenAI, Anthropic, or Ollama, fair-code...

Learn how to use Model Context Protocol (MCP) to connect AI models to any tool, API, or data source. Includes free official MCP servers, Python and...