- Tricostar - Content management and customer service solutions such as help desk software, natural language search engines, and publishing personalization suites.
- Bootstrap Institute - Doug Engelbart invented groupware. What's he up to now?
- AyaNova - Offers computerized work order, service call management, knowledgebase, and technician job scheduling software.
- BSCW: Basic Support for Cooperative Work - Simple Web based groupware system
- TeamAgenda - Offers a cross-platform group scheduler and resource manager for Windows and Macintosh. Utilizes real-time communication to coordinate teamwork, plan meetings and manage resources.
- Web Crossing - A leader in intranet/internet servers offering online conferencing solutions through discussion forums and chat rooms, with server-side scripting to allow web application development.
- Jon Udell - Lists of articles, usenet postings, and a book.
- Software Andina, LLC. - Available for small to midsize businesses. Intranet, Paperless Office. Allows for shared contacts and calendars, automated expense reports and time-off requests. Full free demo of product on website.
- OfficeClip - Offers address book, calendar, bulletin boards, group links, reminders, file sharing, project tracking, time and expense reporting, reservation and scheduling for groups.
- Sherpa Software Group, L.P. - Company manufactures utility software products for Lotus Notes and Microsoft Exchange. Includes, Mail Attender, Database Attender and Directory Attender. Registration required for all product evaluation versions, documentation, white papers, and presentations.
- Task manager for workgroups - Web based application that allows sharing task definitions, and subtask that can be assigned to different members of the workgroup. Changes in task are notified via e-mail to the whole group. Support for English and Spanish languages.
- Wegabyte - Windows freeware and shareware programs such as ICQ plug-ins, LAN tools kits, Winpopup, Zippi, Lantalk, and mICQ.
- PlaceWare Web Conferencing - Web conferencing offers a way for businesses to effectively communicate time-critical information. You can now conduct live interactive meetings or presentations with anyone using only a Web browser and a phone.
- Office.com - Web-based collaboration software application providing remote access to calendar, address book, email, and documents.
- Milum Corporation - Office Tracker scheduling software and office management solution for appointment scheduling and calendaring of rooms, meetings, people, facilities and resources. Web based option available.
- PHONEslips - Office automation software handling phone messages, memos, e-mail, contacts, schedules and to-do lists for everyone in the office. [Commercial, trial version]
- Centrinity - Provides unified messaging and collaboration software solutions for businesses and education. Products include FirstClass Intranet Server Gold, FirstClass Collaborative Classroom, FirstClass UM, and Zebu.
- Web Calendar - Web-based calendaring and scheduling system for personal, group, and corporate events. Includes download, documentation, and help. [Perl, GPL]
- IntraLinks - Application service provider that offers Internet-based services that allow corporations and institutions to manage business-to-business communication.
- Groove - Collaboration software program that allows teams or companies to work together remotely.
- Microsoft Exchange (143)
- Novell GroupWise (44)
- OpenGroupware.org (3)
- Lotus Notes (82)