OStatic

Java SOS is a set of configurable Java servlets for fast site building, including Forums, Chat, and Calendar servlets, etc.

SIM is multi-protocol plugin-based instant messenger program.

DirectNet is a serverless instant messaging system. Rather than every client connecting to a given server, they connect to each other and messages ar...

Board client written in Ruby/Gnome2.

LAN Messenger is a decentralized UDP IM-style chat client which supports usernames, guaranteed-delivery IMs, broadcast chat, encryption, file transfer...

Tapioca is a framework for Voice over IP (VoIP) and IM applications. Its main goal is to provide an easy way for developing and using VoIP/IM services...

Downloads of open source phpBB modifications, hacks, templates, and add-ons created by Thoul of www.phpbbsmith.com.

Natter is an API for writing clients and servers to connect to various chat protocols using a standard interface.

Fire is a multi-protocol instant messenger client that can handle simultaneous connections to AIM, ICQ, Yahoo IM, IRC, MSN, and Jabber.

The Circle is a peer-to-peer application that provides file sharing, instant messaging, and news services. Its novel feature is that while it is fully...