Java

• Ganttproject
• XPlanner
• Rapla
• BORG
• MPXJ
• Memoranda
• Teamwork
• Workeffort
• JProjectTimer
• lGantt
• Tudu Lists
• XRadar
  
• AgileTrack
• Activity Manager
• Open Workbench
• Onepoint Project
• OpenProj
• Project.net
• EmForge
• WebtopProject
• projectivity

C#

• Personal Task Manager
• User Story.NET
• Use Case Maker

Python

• Trac
• Task Coach
• Faces
• Jest