eGroupWare is a Web-based GroupWare suite that is a fork of the phpGroupWare project. eGroupWare is a multi-user, web-based groupware suite developed on a custom set of PHP-based APIs. Currently available modules include: email, addressbook, calendar, infolog (notes, to-do's, phone calls), content management, forum, bookmarks etc. Read more hot
Horde Groupware is an enterprise ready browser-based collaboration suite. Users can manage and share calendars, contacts, tasks, and notes with the standards compliant components from the Horde Project. Horde Groupware bundles the separately available applications Kronolith, Turba, Nag, and Mnemo. It can be extended with any of the released Horde applications or the Horde modules that are still in development, like a file manager, a bookmark manager, a forum, or a wiki. Read more hot
MediaWiki is a Web-based collaborative editing environment originally built for the online encyclopedia project Wikipedia. It's geared to support a large number of users and pages. It requires PHP and MySQL. Read more hot
Aether is a Python CGI-script for managing weblogs ("blogs") and web-sites. It allows you to manage a site entirely from the web, like a wiki.
Beacon is a very simple date and category driven web site publishing system. It looks like a Blog, but behaves like a Wiki. Features include: Wiki article formatting and linking, Hierarchical categorisation of articles, RSS feed, Templated design, and more.
Bloo is an object-oriented implementation of full-featured blog software, based on the Phoo Phramework.
ccHost is a Web-based infrastructure that may be used to host and allow for commenting, remixing, and distribution globally. The more installations of ccHost and its variations, the more content there will be available for enjoyment and artistic re-use in a sane and legal setting. ccHost is what is used for the infamous Creative Commons CC Mixter project which supports legal media sharing and remixing.
Conflux Groupware is an internet-based groupware and file management solution intended to organise and facilitate the work of the client. Our aim is to optimise the time spent on company's daily activities - time management (calendar and tasks), management of clients' contact data, contracts, and search of archived documents.
Copper Project Manager
(commercial) Copper is a project management and collaboration tool that allows teams to share information and files more effectively. It includes modules for clients, projects, tasks, contacts, files, and reports. It features a dynamic Flash/PHP draggable timeline, PDF invoicing, issue management, iCal/Mozilla Calendar syncing, and more.
Document Manager is a document management system with the ability to check-in/check-out documents, track changes, and support multiple users.
Eridu was born out of the desire to have a free, open-source web-based groupware application similar in functionality to Microsoft's Outlook and Outlook Web Access products.
Horde Groupware Webmail Edition
Horde Groupware Webmail Edition is an enterprise ready browser-based communication suite. Users can read, send, and organize email messages and manage and share calendars, contacts, tasks, and notes with the standards compliant components from the Horde Project. It bundles the separately available applications IMP, Ingo, Kronolith, Turba, Nag, and Mnemo. It can be extended with any of the released Horde applications or the Horde modules that are still in development, like a file manager, a bookmark manager, a forum, or a wiki.
IGSuite is a Web-based groupware collaboration suite. It gives you a "box" of applications that includes wiki, email, documents, calendar, tasks, fax, contacts, notes, links, and more.
(commercial) Internal Affairs is a web-based groupware system written in PHP using MySQL as the backend. It includes modules for group calendaring with repeating appointments and email based reminders.
ivata groupware is a groupware/intranet portal system based around J2EE standards. It provides an enterprise-ready solution. It is a great tool to enable teams to find contacts in team and private address books, to share documents, to post articles and notes, to comment on articles, to receive notifications via email, to plan meetings and other events in the calendar, and to access email via the Web.
KONSEC Groupware is a highly scalable, cluster-capable messaging and collaboration server that is based on the open source project, Kroupware. The KONSEC Konnektor a simple client extension enables Outlook complete group functionality through the Kolab Server, which employs the open standard IMAP together with ACLs, thus enabling you to collaborate in a unique mixed Windows/Linux environment. KONSEC Kontakt is a groupware client for Linux/Unix which is based on Kmail, Korganizer, and Kaddressbook.
MIOGA is a groupware application suitable for Intranet use. All the functionality of Mioga can be reached through any HTML browser.
Moregroupware includes standard modules such as calendar, news, contacts, and more. Its UI is multi-language ready, it has a robust framework for adding modules, and can run on several databases.
NullLogic Groupware is a multi-user web-based groupware package designed for contact management and event scheduling, which includes additional features such as instant messaging, public forums, shared hyperlinks, file bases, a web e-mail client, and a simple order processing system.
OfficeSpot.Net Collaboration Server
The OfficeSpot.Net Collaboration Server is a one-stop solution for all your groupware needs. It is based on Ubuntu 6.10 LTS and is preloaded with eGroupWare, Postfix, OpenLDAP, MySQL, DBMail, Spamassasin, and ClamAV.
phpGroupWare is a multi-user groupware software suite written in PHP and providing a web-based UI. It includes a calendar, todo-list, addressbook, and email. Read more
(commercial) Relata is a Web-based knowledge worker automation suite that helps you and your workgroup get more done in less time. It features an address book, calendar/todo list, account manager, outcomes/goals management, group email, blogs, Web documents, file sharing, and notes modules.
Scalable OGo (SOGo in short) is a groupware server built around the SOPE application server. Unlike OGo it is focused on scalability instead of depth in functionality. The web interface uses human readable URLs and can be accessed according to REST web service ideas. Notably it requires no server side session at all.
(commercial) Share360 is a Web-based groupware suite integrating collaboration applications - includes WebMail, Scheduler, ToDo List, Whereabouts, Address Book, Bulletin Board, Discussions, Cabinet, Memos, Project, and Web Forms.
Simple Groupware is a complete groupware package whic contains a new programming language called sgsML, which was created to quickly create powerful Web applications.
(commercial) SKYRiX combines classical groupware functionalities with the advantages of the innovative technology of a web-based application server.
(commercial) SleekOffice is a Web-based application that allows individuals and workgroups to increase their productivity. It allows you to manage your contacts, calendar items, files, projects, and more from one interface. SleekOffice features sharing capabilities, allowing you to share information and delegate tasks among team members. You can share contacts, calendars, notes, and files easily. Additionally, you can use the sync tool to synchronize your data with Palm Desktop or Microsoft Outlook for mobile productivity.
SxWiki is a PHP framework for automating the editing of MediaWiki projects.
SynchroEdit is a browser-based document editor for use by multiple users simultaneously. It is a form of same-time, different-place groupware. It allows multiple users to edit a single web-based document at the same time, and it continuously synchronizes all changes so that users always have the same version.
sYnergy Groupware is a Web-based groupware and communication solution for use with an intranet. It includes email mailboxes, a fax viewer and sending function, contact lists, an appointment and task management function, a picture database, and a function for listening to voice messages.
Tiki CMS/Groupware is a powerful web-based Groupware and Content Management System (CMS), using PHPexternal link, ADOdb and smarty. It can be used to create all sorts of Web applications, Sites, Portals, Intranets and Extranets.
transLucid (was Lucid Fried Eggs) is a web based note taking and collaboration software. Notes are stored in a web rather than in a strict hierarchy. Similar in nature to wiki, everything2 and TheBrain.
Vanilla is a simple hypertext system that is useful for collaboratively working on projects, tracking todo items, managing adresses and creating web logs.
Wiiski is meant to be an advanced version of Twiki. It has some nicieties which if I remember correctly allowed for IRC like submitions. It also had some of the templating that Twiki has been recently been adding/releasing.
Wiki Web Help
Wiki Web Help is an AJAX-based wiki designed to operate like a CHM viewer.
ZideStore OpenGroupware Interface
zOGI (ZideStore OpenGroupware Interface) is an OpenGroupware.org ZideStore bundle which provides a simple and consistent XML-RPC API to the server's groupware and collaboration functions.