Microsoft Project vs Open Atrium : Which is Better?

Microsoft Project

Microsoft Project is a project management software product, developed and sold by Microsoft. It is designed to assist a project manager in developing a plan, assigning resources to tasks, tracking progress, managing the budget, and analyzing workloads. Developed by Microsoft

License: Commercial

Categories: Business & Commerce Development Office & Productivity

Apps available for Windows Online

Open Atrium

Drupal is a free and open source content-management framework written in PHP and distributed under the GNU General Public License. Developed by Development Seed

License: Open Source

Categories: Business & Commerce Office & Productivity

Apps available for Mac OS X Windows Linux

Microsoft Project VS Open Atrium Feature comparision

Feature	Microsoft Project	Open Atrium
Collaborative
Gantt charting
Version Control
Dependencies
Gantt-charts
Project Analysis
Real time collaboration
Resource monitoring
Resource scheduling
Team Collaboration
Version and Source control
Customizable
Built-in File Manager
Employee Time Tracking
Extensible by Plugins/Extensions
Content Templates
File sharing
Apps that Sync with Google Calendar
Task Management
Activity history
Box.com integration
Google Chrome Extensions
Kanban boards
Calendar view
Dropbox integration
CalDAV
CardDAV
Support for Multiple Users
Scheduling
Dependency Tracking
Electronic invoicing
Project Tracking
Todos
Share Roadmaps
Software as a Service