FreeBuild an AI or agent feature as observable flows with tools, retrieval, evaluation, and a provider you choose.
Coding & Dev
All tools
View more Free 
Free
Free tier
Access
Free tier
0
Coding & Dev Checked Sep 29, 2026
Dify
Build and publish agent workflows and RAG apps with a visual editor instead of assembling every service yourself.
Best for: Developers and small teams building knowledge assistants, internal tools, or model-backed workflows.
What you can do with it
- Build a question-answering assistant over internal documents
- Create a multi-step content or research workflow
- Publish a simple AI app behind an API
- Test several model providers in one workflow
- Self-host an AI application platform for a private team
Good to know
- Free cloud sandbox with published limits
- Free self-hosted Community Edition
- Visual workflow and RAG builder
- Supports multiple model providers
Limitations
- Model usage is not automatically free
- Self-hosting needs technical setup
- Free cloud limits are small for production
Other official links
Keep exploring
Similar tools
Free FreeBuild with a language model whose weights, data, training flow, and evaluation artifacts are unusually open.
AI Agents & Chatbots
Free tierRead, research, and act on the web with an AI browser that keeps the page in context.
Utilities & Other