# Dify

> Dify is an open-source LLM application platform open-sourced by LangGenius in May 2023, bundling RAG, visual workflows, agents and 50+ tools; it is not OSI open source — it ships under the 'Dify Open Source License', a modified Apache-2.0 that forbids unauthorized multi-tenant SaaS and requires keeping the logo.

Open-source LLM app platform with built-in RAG, workflows and agents.

- **Category:** Runtime & Orchestration
- **License:** Dify Open Source License (modified Apache-2.0)
- **Language:** TypeScript, Python
- **Self-hosted:** Yes
- **GitHub stars:** 157815 (2026-10-04)
- **Repository:** https://github.com/langgenius/dify
- **Last verified:** 2026-10-04

> Caveat: License is a modified Apache-2.0 and is not OSI-approved; GitHub reports it as NOASSERTION. Commercial multi-tenant use requires a commercial license.

Source: https://agent.c8.fit/tools/dify/