TrueNAS Core - TrueNAS Core (formerly FreeNAS) is a storage operating system strong and robust enough to meet the needs of enterprise level businesses.
Keycloak - Open Source Identity and Access Management for modern Applications and Services.
Amahi - Amahi is a media, home and app server software known for its easy-to-use user interface. Amahi has the best media, backup and web apps for small networks.
Zentyal - Linux directory, domain, mail, gateway and infrastructure server for SMBs.
XigmaNAS - File Sharing, OS & Utilities, and Security & Privacy
OpenLDAP - OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol.