Features:

Collaboration

Dashboard
Team Calendars/Timelines
Issue Tracking
Forums
Email Integration
MS Project Integration

Resource Management

Resource Details
Timesheets
Materials/Supplies
Check In/Check Out
Email Addresses
Costs
Resource Materials
Groups

Project Management

Task Management
Recurring Tasks
Scheduling
Calendars
Timelines
Events
Gantt Charts
Reporting
Work Load
Custom
Document Management
Budgeting
Critical Path Method
Project Templates
Milestones
Baseline
Automatic Notifications
Privacy Settings
Multilingual Capabilities

Help/Support

General Support

System Requirements:

Operating Systems

Microsoft Windows (Vista, XP)
Mac OS X
Linux