You can select from a broad set of features and capabilities.
 

Gantt View
Work Breakdown Structure
Tasks (including subtasks)
Portfolios
Hierarchical Portfolios
Resources
Resource Management Tool
Resource Rates
Departments
Email Notifications
Email Reminder Reports
Document Management
Notes & Comments
Blogs
Customization Setup Tool
Custom Fields and Forms
Workflow
Custom Views
Custom Reports
Matrix Statistical Reports
Chart Reports
Scheduled Email Reports
Issues
Cost Management
Expenses
Timesheets
Requests
Risks
Tickets / Incident Tracking
Defects / Releases
Changes
Ideas
Import & Export from Microsoft Project
Import & Export from Microsoft Excel
Web Services API