Open Source Server Operating Systems Chat Software

BeeBEEP is a free, open-source, peer-to-peer (P2P) desktop LAN chat and office messenger built with end-to-end encryption (Rijndael Algorithm, AES). Designed for local area networks, this free cross-platform messaging app enables instant messaging, group chat, and secure file sharing across your office, home, or intranet—completely serverless and offline. Whether you need a private LAN chat application for your team or a secure office communicator over VPN, BeeBEEP operates without central servers or cloud dependencies. It is a free, serverless chat solution for Windows, Linux, and macOS where privacy, data security, and local network communication are essential.

See https://pidgin.im/about/ for more information. Pidgin is an instant messaging program which lets you log in to accounts on multiple chat networks simultaneously. It runs on Windows, Linux, and other UNIX operating systems. Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, MXit, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It is written in C and makes heavy use of GLib and GTK+. Finch is a command line instant messaging program. It also lets you log in to accounts on multiple chat network simultaneously, and it is compatible with the same chat networks as Pidgin. It is written in C and makes heavy use of GLib and ncurses.

The gSOAP toolkit is an extensive suite of portable C and C++ software to develop XML Web services with powerful type-safe XML data bindings. Easy-to-use code-generator tools allow you to directly integrate XML data in C and C++. Serializes native application data in XML. Includes WSDL/XSD schema binding and auto-coding tools, stub/skeleton compiler, Web server integration with Apache module and IIS extension, high-performance XML processing with schema validation, fast MIME/MTOM streaming, SOAP and REST Web API development, WS-* protocols (WS-Security, WS-Policy, WS-ReliableMessaging, etc), XML-RPC and JSON. Licensed under GPLv2. Visit the developer center with guides, tutorials, and examples at www.genivia.com/dev.html The documentation of the toolkit, libraries, plugins and more is available at www.genivia.com/docs.html Commercial-use licenses and expert technical support services are available at competitive pricing levels, please visit www.genivia.com/products.html

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

A graphical notification plugin for the instant message client gaim. Now hosted at http://plugins.guifications.org/trac

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.

Bot Sentry is a Pidgin (libpurple) plugin to prevent Instant Message (IM) spam. It allows you to ignore IMs unless the sender is in your Buddy List, the sender is in your Allow List, or the sender correctly answers a question you have predefined.

IRCD-Hybrid is a lightweight, high-performance Internet Relay Chat server.

Xivio.com was a commercial children's virtual world website created in 2006 by Gavin Conrad. This is the legacy World Server Java Core made available to the world to do with as it wishes.

YSM is a simple ICQ client based on the v7/v8 icq protocol version. Free of external libraries requirements, written in the C Language.

XNap is a Java plugin-based peer-to-peer (P2P) framework and client including an OpenNap plugin with multiple server support, as well as Gnutella, giFT (OpenFT), IRC, ICQ and an OverNet plugin. XNap provides resuming, chat, hotlist and a media library.

Jabberwocky is a jabber client software for Amiga Computers. It is open source and released under the GNU GPL License.

A pidgin plugin that allows user to assign global hotkeys (e.g. Ctrl+Alt+g) for togglling buddy list and reading queued message. When "Toggle List" hotkey is enabled, it makes the buddy list hidden from your taskbar and task switcher (similar to ICQ).

Unreal is a IRCd based on the Dreamforge branch of IRCd, with the goal to provide a solution to network who want features and stability - and support. Its goal is to compete against both commercial and opensource ircds of same kind.

[ Please read https://sourceforge.net/p/darkbot/news/2014/01/darkbots-revitalization/ ] Darkbot is a portable IRC chat robot written in the C language that can be taught responses to user inquiries, and even have conversations with them. Darkbot was originally created by Jason Hamilton as an aid for help channels on Intenet Relay Chat.

A multiplayer RPG that connects as a psuedo server to an IRCD. Built in the tradition of old BBS Door games such as LORD (http://en.wikipedia.org/wiki/Legend_of_the_Red_Dragon). Forest fights add experience and gold needed to best your master (gain level

A fork of pidgin which aims to provide minor features that have not been addressed by the pidgin development team (including manual textbox resizing). See funpidgin.sf.net for details.

We have moved to http://sv.gnu.org/projects/erc. ERC is a powerful, modular, and extensible IRC client for Emacs and XEmacs. Full documentation can be found on the wiki by following the "Home Page" link.

VooDoo cIRCle is modular IRC bot, scriptable thanks to PHP and Perl, with built-in SSL support, File System, private BotNet and advanced security rights for each user. Runs on POSIX/Unices, Windows and Mac OS X.

icqlib is the most feature complete, open source, library implementation of Mirabilis' ICQ protocol available on the Internet. icqlib currently supports approximately 90% of the ICQ UDP v5 protocol and 80% of the ICQ TCP v2 protocol.

psyBNC is an easy-to-use, multi-user, permanent IRC-Bouncer with many features. Some of its features include symmetric ciphering of talk and connections (Blowfish and IDEA) It compiles on Linux, FreeBSD, SunOs and Solaris.

Bird Chat is a chat client / server software designed with an easy and simple interface. The installer make it fast to install both on server and clients.

Jeti is a Java Jabber client that supports most chat features such as file transfer, group chat, emoticons, and formatted messages. It can be used as an application or as a Web applet.

The MXControl project aims to create a set of tools to extend and administrate the Chat-channels on the WinMX Peernetwork. Part of this projects are BendMX that adds features to the Chat, and a full featured Chatbot for administrative and other tasks.

SMSBR é uma ferramenta para envio de mensagens SMS. O envio é realizado através do site da operadora telefônica, ou seja, vocę deve estar conectado ŕ internet para enviar mensagems.