RetroShare is a cross-platform, secured and decentralized communication system. It lets you to securely chat, share photos, videos, and more with family and friends, using OpenPGP to authenticate peers and OpenSSL to encrypt all communication.
Spicebird is an open-source email and collaboration suite based on the Mozilla platform. It provides integrated e-mail, contacts, calendaring and instant messaging. It can connect to any SMTP/IMAP email server, CalDav Calendar server and Jabber serve
Libmsn is a reusable, open-source, fully documented library for connecting to Microsoft's MSN Messenger service.
C++ IRC client library that seeks to include all aspects of the IRC protocol, along with auto reconnecting and multiple connection management.
Roleplaying game based on the dark fantasy world of drowtales.com. C# client connecting to a C++, Php and Mysql powered dedicated linux server. Main features are: real-time chat, fully custom avatars, multiple camera view, 3d background with 2d manga cha
J-Alice is a C++ implementation of an Alicebot clone. It can chat on console, irc and function as a mini-http server. Currently it runs on Linux, BeOS, Windows and Solaris with equal functionality.
QFE is full-featured cross-platform FTN message editor with a graphical interface. It written on C++/Qt and does not depend on either KDE, Gnome or other window managers. All operations with FIDO message base use fidoconfig library from HUSKY project.
utilities and libraries for gamedev - pure c# rar unarchiver, mp3 decoder. c++ flac module repacker. other misc. things.
hostingstar.com.au's open source software. To be used primarily for dotnetnuke modules, a cross platform backup system, .net (dotnet) user controls, 3d plugins and many other bits and pieces.
Object oriented library that allows C++ developers to easily connect their application to IRC.
libircpp is a C++ library for developing IRC clients, proxies, or bots.
WinPcap based Sniffing(Packet Capturing) Network Secutiry Tools
xiT++ is C++ library which implements Tlen.pl instant messaging protocol.
This is a simple RFC 1459 compatible IRC library that uses the socket classes of wxWidgets.
P2P Instant Messenger Extension Client to most IM's for sharing content amongst your friends using torrents.
A Tecent QQ Protocol lib
Library for the Microsoft MSN protocol written in c++. Intended to support msn protocol version 13.
libim++ is a C++ class library for accessing IM (Instant Messaging) networks. It provides a standard interface to protocol specific C language libraries like libgadu, libtlen, libicq, libjabber etc.
ezbounce is a highly configurable IRC proxy supporting mutliple user accounts, full access control, IPv6 & SSL connections, DCC proxying, a file library, and more.
An IRC bot with a modular plugin hooking system and API.
An IRC protocol library written in C++ for those, who don't want to learn the protocol.
wxMSN is a new full-featured and fast MSN client written in C++ using the wxWidgets library.
A library of LAN tools based on wxWidgets. A ping, a network scanner searching for all the available PCs,printers etc, a local port scanner, a chat/fileshare and a data-traffic collector . Anything else can be added.
TangramLite is an Application Development FrameWork which support plug-in similar Eclipse. its a class library based on MFC/ATL/CLI, Developer can use TangramLite to develop win32&.NET application, component which run on Window XP/2000.