NullLogic Groupware is a modular Web-based groupware and email system designed for contact management and event scheduling. Additional features include private messaging, public discussion forums, webmail, shared bookmarks, file sharing, call tracking, order processing, an XML-RPC API, and integrated POP3 and SMTP servers.
Akeni LAN messenger is a cross-platform instant messenger client. It is a P2P program that works on your LAN without the need of an Internet connection or a dedicated server. The client has an user interface similar to AIM, ICQ, or MSN Messenger. It supports all the standard IM features such as chat, group conference, presence management, file transfer, and emergency alert/notification. Extra features include contact management and optional tabbed chat sessions.
Instant Links is a way to automate your link partners. People can add a reciprocal link from the bottom of the page in each category. It makes it easy to sign up to be placed on your Web site. It features automatic checking of link partners links, search engine friendly pages, unlimited links and categories, broken links verification, personalized email notifications, import DMOZ listings for an instant directory, cron for automatic updating, Google PageRank display, random link display, easy installation and backup, and easy site integration. Instant Links can be a stand alone niche directory.