Pidgin is a GTK+ instant messaging application. It uses libpurple, which supports multiple protocols, including AIM, ICQ, Yahoo!, MSN, Jabber, IRC, Napster, Gadu-Gadu, Zephyr, and SILC. It has many common features found in other clients, as well as many
Miranda IM is a smaller, faster, easier instant messenger with support for multiple protocols including AIM, Jabber, ICQ, IRC, MSN, Yahoo, and more.
A very nice MSN compatible messenger application, aMSN Messenger is a multiplatform MSN messenger clone. Works pretty much like its Windows based counterpart. Perfect for keeping in touch with those friends who have not yet seen the light. Works on linux
This is a project aimed at producing a file sharing client using the ADC protocol. It also supports connecting to the Direct Connect network.
Gaim is a GTK+ instant messaging application. It supports multiple protocols, including AIM, ICQ, Yahoo!, MSN, Jabber, IRC, Napster, Gadu-Gadu, Zephyr, and SILC. It has many common features found in other clients, as well as many unique features
GibPhone is a highly extensible VoIP/IM client for the .NET framework that uses a powerful plugin engine to allow for UI extensions and any call control stack / media payload / transport protocol combination.
Speak Freely is a Cross Platform Internet telephony (Voice Chat) application which provides high quality voice grade audio with GSM and CELP compression and encryption with DES, Blowfish, and IDEA ciphers. It will aim at interoperating with any RTP clien
e-Surveiller is a powerful user-activity monitoring, logging and surveillance suite. With it, you can record all keystrokes, Web site visits, windows, chats, etc. of computer users on standalone computers, on a local area network and on remote computers across the Internet. You view the screens of monitored users on a LAN or across the Internet in real-time! User-activity logs are also periodically uploaded or emailed to you for analysis + MORE!
CamUniversal - Is the ultimate solution for all of your video demands. It supports WebCams, NetCams (IP-Cams) and all video devices which are working with an up to date driver for Windows. Additional it includes a network server client functionality to send the video from all cameras from one server PC to all connected client PCs. For professional and privat surveillance purposes there is a built-in motion detector which has numerous functions.
DKMessenger is a free peer-to-peer messenger with video, Voice Over IP, text chat, whiteboard, application sharing and file transfer capabilities. If you have a microphone and a camera hooked up to your PC, DKMessenger works as a free videophone.