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fess

fess

by codelibs · GitHub

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

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⭐ Stars
1.1k
🍴 Forks
174
📜 License
Apache-2.0
Commercial use OK
📅 Created
2013
🔄 Last commit
3 days ago
🏷️ Category
ai-search
💻 Language
🖥️ Self-hostable
Likely
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📈 Star history
1 1201 119
2026-07-202026-07-21
📄 About

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

Frequently asked questions

What is fess?

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

Is fess open source?

fess is an open-source project. It is released under the Apache-2.0 license.

Is fess free?

Yes. fess is free and open source — you can use, modify and self-host it.

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