Microsoft Project - Microsoft Office Project gives you robust project management tools with the right blend of...
GANTTzilla - Online MPP, MPX, Planner documents viewer with publishing, sharing and versioning support.
GanttProject - Project scheduling and management tool
ProjectLibre - Home | Projectlibre
Smartsheet - Smartsheet is an intuitive online project management tool enabling teams to increase productivity using cloud, collaboration, & mobile technologies.
LibrePlan - LibrePlan is an open source web application for project planning, monitoring and control.