Redmine

2013-04-18

16:02 Redmine Feature #6118: Filter by parent task or subtasks

+1 we need this feature

2013-04-15

09:48 Redmine Feature #5490: Option for independent subtask priority/start date/due date/done ratio

+1
It should give a choice on issue level if the issue controls the subtasks, the subtasks controls the parent issue...