List of project management software

http://en.wikipedia.org/wiki/List_of_project_management_software

Open-Source desktop applications

OpenProj
GanttProject


Open-Source web-based application

dotProject
Project.net


Proprietary desktop applications

Microsoft Project
Collanos Workplace
Tracker Suite
Primavera Project Planner


Proprietary web-based applications

@task
Teamwork
Daptiv