Arora : Arora is a lightweight cross-platform web browser. It's free (as in free speech and free beer). Arora runs on Linux, embedded Linux, FreeBSD, Mac OS X...
Postal : Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready f...
pump.io : Social server with an ActivityStreams API. It's a stream server that does most of what people really want from a social network.
Radicale : The Radicale Project is a complete CalDAV (calendar) and CardDAV (contact) server solution.
H2O : H2O is a new generation HTTP server providing quicker response to users when compared to older generation of web servers. The server takes full advant...
YunoHost is a server operating system aiming to make self-hosting accessible to everyone.