http://www.powdersoftware.com/features.htm

Summit Groupware manages:

• Email
• Calendar
• Contacts
• Bulletin Boards
• Notes

General Features

• Runs on Windows, Linux, Apple OS X and UNIX
  
• Web browser access
• Handheld computer access (Palm Treo, Smartphone)
• Central storage of email, calendaring and contact data
• Robust database storage features including
  
  • Hot Backups
  • Scalability
  • Security
• Java Web Start deployment
  • Java Web Start eases the burden of deploying an application and/or updates to clients.  With Java Web Start (installed automatically with Java) clients automatically download, verify and install a program by clicking a link in a web page.  Rollouts and rollbacks are as easy as copying files to a webserver, whether for 1 or 1000 users.

Email

• HTML & Plain Text messaging
• Whitelist filtering
• Multiple mail accounts
• Integrated spell checking

Calendar

• Day view
• Month view
• Journal Items
• Meeting list
• To Do list
• Private calendar entries
• View coworkers schedules
• Easily plan meetings and schedule resources

Contact Management

• Robust permissions model for sharing groups and contacts
• Any number of personal address books

Bulletin Boards

• Robust permissions model for reading and writing bulletin board entries
• Arbitrary number of conversations
• Easy administration, bulletin boards are end user driven