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.
PHPfileNavigator - PHPfileNavigator: Administrador de ficheros y directorios via web.
Keybase Chat - End-to-end encrypted chat built into Keybase
FilesAnywhere - FilesAnywhere offers free 1GB online file storage, with cloud storage solutions for Internet...
Crypho - End-to-end-encrypted messaging and file sharing