WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
A Windows client for the Direct Connect networks
Psi+ Project — development branch of Psi XMPP client
Development toolkit for Web Services and XML data bindings for C & C++
Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP
Fast Bayesian spam filter along lines suggested by Paul Graham
Cluster wide IPC providing datagram, connection, and bus messaging
All of Aminet modules at your fingertips
Email reader for RISC OS operating system.
Transmission bittorrent with p2p streaming. Fast, stable, feature rich
Full mIRC MSL Script
32/64 bit multi-platform Ethernet S7 PLC communication suite
High performance, production quality STUN server and client library
FSP command line client with FTP like interface
Refined P2P Filesharing + BitTorrent
Send Mime and Smime Emails to Any Type of Mail Server
ERP, IP PBX, Accounting, CRM, Time tracking, and etc.
Airfox is a free and fast web browser. It uses the Gecko Engine.