Sorry folks. After only a few minutes of using Nestfull, I don't think it is a good candidate. While the UI, with it's nested Kanban boards and lists, is interesting. I don't see any way to estimate the size/length of tasks, and there's certainly no velocity calculation (sigh).

I dont see how nestfull would be related, it seems like a trello alternative. These are only similar on a extremely high level but the similarity breaks down very fast. I recommend going through the list in the hero section on the linked page (bye-tracker.net) that defines a project tracker