Fess
self-hosted, search engines

Fess is an exceptionally robust and easily deployable Enterprise Search Server. It offers comprehensive search capabilities for organizations, allowing them to efficiently index and retrieve a wide range of data across various sources. With its user-friendly interface and powerful features, Fess simplifies the process of searching and accessing information within an enterprise environment. Whether it's documents, files, emails, or databases, Fess provides a centralized platform for seamlessly locating and managing data, enhancing productivity and collaboration within the organization.