Dify
Open-source LLM app platform with built-in RAG, workflows and agents.
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.
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.
Key facts
| Category | Runtime & Orchestration |
|---|---|
| License | Dify Open Source License (modified Apache-2.0) |
| Language | TypeScript, Python |
| Self-hosted | Yes |
| GitHub stars | 157,815 (2026-10-04) |
| Last push | 2026-10-04 |
| Last verified | 2026-10-04 |
| Repository | https://github.com/langgenius/dify |
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