I have purchased quite a lot of deals here on Appsumo, Jummpl is the best of em all. This is a dream tool for any growing organisation and the number of things you can do with the tool is beyond imagination. Jumppl is my go to place for all my task planning and team management. They have an amazing desktop app and also mobile app, to keep yourself and your team organized. This is a massive machine, unveiling itself step by step to the world. They have secret hidden treasure, where you can manage external teams/client teams. If you know how to use it, it is a gold mine for business explosion.
Buy it now to save yourself a heart ache later.