OpenACS - OpenACS (Open Architecture Community System) is an advanced toolkit for building scalable, community-oriented web applications. onShore - onShore, a consulting firm, has a web-based, multi-user time-billing tool, GPL license. JetSpeed [from Apache's Jakarta] - A servlet implementation of an open protocol GroupWare product. Backend (search engines, news, weather, POP3/IMAP/LDAP/NNTP, database) is based on other open source packages. MetaDot Open Source Portal Server - Free Open Source Portal Server allowing point and click community, content and XML syndication management on the Web, email, cellphone, other media. Nexist - Topic Map based java system, "a testbed for developing tools for Web collaboration", Apache license. WEBO - Web based groupware providing group scheduling, addressbooks, shared folders. Outreach Project Tool - GPL PHP groupware package targeted at project development. Manages documents, tasks, requests, basic newsletters, knowledge entries, stores e-mail copies, e-mail repository address. Requires LAMP. GroupSuite - A planned PHP-based groupware including calendar, address book, forum, ticket system, WebMail, CRM and DMS. DOE2000 Electronic Notebook - Modular, extensible, notebook framework to make cross-platform interoperating prototype implementations. Allows shared input and display of sketches, text, equations, images, graphs, other data types. Tools for authentication, other services. Citadel Groupware System - A turnkey open source messaging and collaboration platform. IGSuite - A web-based Italian office communication suite for archiving digital documents. Works with Hylafax server. Thetis - Groupware and content management system developed in Ruby on Rails. Web site includes news, documentation and an online demonstration. Zimbra - E-mail and collaboration suite. A server application as well as desktop and web based clients are available. Group-Office - Groupware suite containing a base system and different modules including scheduler, email, file and projects. (PHP) Hipergate - Web-based open source groupware written in Java/JSP with support for PostgreSQL, Oracle and SQL Server.