I'm not familiar with anything .NET based that has similar functionality. Redmine was pretty easy to setup and configure. If you just want issues/roadmap/repo,

I'm not familiar with anything .NET based that has similar functionality. Redmine was pretty easy to setup and configure. If you just want issues/roadmap/repo, that's probably what I would go with. If you're just looking for a fancy todo list you could try something like trello or workflowy (not open source, but free).