1)   GanttPV - Project Scheduling Software v0.6
Create project schedules. Plan assignments. Prioritize followup items. Calculate float. Display gantt charts. Manage workload.

 2)   AdeptTracker 2.20
AdeptTracker is a project planning tool with Gantt chart editor. As an alternative to MS Project, it can manage up to 10,000 project tasks with rich project filters; track Critical Path of subproject and milestone by using unlimited project baselines

 3)   GanttPV for the Mac v0.6
Create project schedules. Plan assignments. Prioritize followup items. Calculate float. Display gantt charts. Manage workload. Reuse template projects. Define keyboard shortcuts. Write scripts. Monitor productivity and out-of-pocket expenses.

 4)   Nevron Diagram for .NET Q2 2006
Nevron Diagram for .NET is a fully managed, extensible and powerful diagramming framework, which can help you create feature rich diagramming solutions in WinForms and WebForms.

 5)   Smartworks - Project Planner 4.7
Project Planner PE 4.7, lets you track and manage your projects in the way you had always wanted. It offers you several views ( Gantt, Network, Resource, Estimation, Risk, Plan..) to get the broad understanding of where your project is heading.

 6)   JCVGantt Pro 1.5.1
Plan any project professionally in three easy steps - (1) Brainstorm tasks (2) Specify task dependencies (3) Specify who will do the work, then view gorgeous Gantt charts and customizable project cost reports. Syncs direct with MindManager X5 Pro too