FileRunner is a two pane file manager for Unix and Unix like systems. It is simple and efficient and has a built-in FTP and SFTP client. It also does a reasonable (and improving) job on Windows systems. New and improved from a FileRunner of long ago.
A client for the remote use of VirtualBox on a server
RemoteBox is an open-source VirtualBox client which means you can remotely administer (ie over the network) an installation of VirtualBox on a server, including its guests and interact with them as if they were running locally. VirtualBox is installed on the server machine and RemoteBox runs on the client machine. RemoteBox provides a complete Gtk 3 graphical interface with a look and feel similar to that of VirtualBox's native GUI and supports the vast majority of features.
libircclient is a small but powerful library, which implements client-server IRC protocol. It has all features needed to create your own IRC client or bot, including multi-threading support, sync and async interfaces, CTCP/DCC support, colors, SSL connections and so on.
A messaging framework for java client server application. It enhances productivity by providing generic infrastructure for data CRUD. Java swing, Jide,Tibco rendezvous, Tibco smartsocket, Spring amqp are currently supported and it easy to add others.
TDFS-lis can be used both as TCP client and TCP server with IPv4 and IPv6 support. TDFS-lis is a general pourpose tool, usefull to test clients, servers and services.
Open Source IM and voice client using Jabber and SIP protocols, with great audio quality thanks to speex and a nice and clean interface. Programmed in Java and C++. It supports chat, voice and file transfers.
syncSQL is a perl server-side CVS script, that sends commit information to a mySQL database, so commits can be viewed, tracked and filtered throught a simple web page or any mySQL client.