Liferea (Linux Feed Reader), a news reader for GTK/GNOME
The extensible chat client
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
VICIdial Contact Center Suite
Anti-Spam SMTP Proxy Server implements multiple spam filters
A temporary email right from your terminal written in POSIX
A Windows client for the Direct Connect networks
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
Implementation of the EDIINT AS2 protocol (RFC 4130)
A GTK+ Gnutella client, optimized for speed and scalability
A LinuxSampler Qt GUI Interface
AS2 1.1 server implementation in Java
UFONet - Denial of Service Toolkit
Implementation of the OFTP2 protocol (RFC 5024)
Remote assistance made easy!
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
A SSH based chatroom.
API interface to control your video conferencing hardware clients
A client for the remote use of VirtualBox on a server