Keybase Chat - End-to-end encrypted chat built into Keybase
FileRun - Beautiful, fast and reliable selfhosted file sharing and sync.
Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.
HRCloud2 - A full-featured home-hosted Cloud Drive & Personal Assistant.
Seald - Keep your conversations secure, everywhere.
PHPfileNavigator - PHPfileNavigator: Administrador de ficheros y directorios via web.