Easy-to-build Full-Text Search Environment Enterprise Search Server Fess Providing an Enterprise Search Server as Open Source. Quick Start Fess is a "user-friendly full-text search server" that can be easily set up. Fess can be executed on any operating system with a Java or Docker runtime environment. Fess is provided under the Apache License and is available for free (as freeware) to use.
![Fess - Enterprise Search Server](https://cdn-ak-scissors.b.st-hatena.com/image/square/28385678fdfa4e45231489ed5415fdc5e92beb97/height=288;version=1;width=512/https%3A%2F%2Ffess.codelibs.org%2F_images%2Fdemo-1.png)