Enterprise Search Server: Fess

What is Fess ?

Fess is very powerful and easily deployable Enterprise Search Server. You can install and run Fess quickly on any platforms, which have Java runtime environment. Fess is provided under Apache license.


Demo (Default)

Code Search

Source Code Search

Fess is Elasticsearch-based search server, but knowledge/experience about Elasticsearch is NOT needed because of All-in-One Enterprise Search Server. Fess provides Administration GUI to configure the system on your browser. Fess also contains a crawler, which can crawl documents on Web/File System/DB and support many file formats, such as MS Office, pdf and zip.



  • Very Easy Installation/Configuration
  • Apache License (OSS)
  • OS-independent (Java Application)
  • Crawler for Web/File System/DB/Windows Shared Folder(SMB)
  • Support many document types, such as MS Office, PDF, Zip archive,…
  • Support a web page for BASIC/DIGEST/NTLM/FORM authentication
  • Contain elasticsearch as a search engine (unlimited scalability)
  • Provide UI as a responsive web design (support any device)
  • Provide a browser based administative page (admin console)
  • Support secure search (access control with LDAP/Active Directory/SSO)
  • Support JSON/GSA format of search results
  • Provide search/click log and statistics
  • Provide auto-complete(suggest)
  • Provide embedded JavaScript library(migration from Google Site Search)
  • Learning To Rank support
  • OCR support
  • Internationalization/Localization


Fess 13.6.2 Released
Fess 13.6.1 Released
Fess 13.6.0 Released
Fess 13.5.1 Released
Fess 13.4.4 Released
Fess 13.5.0 Released

More news


X-Pack Support

Fess X-Pack provides a feature to support X-Pack.

Support Service

N2SM, Inc. provides support services for Fess as below.