Fess is a powerful and easily deployable enterprise search server. You can install and run Fess quickly on any platform that has a Java runtime environment. Fess is provided under the Apache License.

Features
- Very easy installation and configuration
- Apache License (OSS)
- OS-independent (Java application)
- Crawls the web, file systems, databases and Windows shared folders (SMB)
- Supports many document types, such as MS Office, PDF and Zip archives
- Crawls sites behind BASIC/DIGEST/NTLM/FORM authentication
- Uses OpenSearch as its search engine for scalability
- Responsive search UI for any device
- Browser-based admin console
- Secure search with access control via LDAP/Active Directory
- Single sign-on with SAML/OpenID Connect
- Search results in JSON format
- Search/click logs and statistics
- Auto-complete (suggest)
- Embeddable JavaScript library for existing sites
- Learning to Rank support
- OCR support
- Internationalization and localization
License
Fess is distributed under the Apache License 2.0 and available for free.
Resources
- Project site: fess.codelibs.org
- Forum: discuss.codelibs.org
- GitHub: github.com/codelibs/fess
- Project page: www.codelibs.org/projects/fess.html
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