Motion Firefox - All-in-one time management tool in Firefox
Gametron.io - Gametron is a new game server control panel for provisioning and managing Minecraft servers and more.
Task Muncher - Task Muncher is a cross-platform and web-based application that is designed to organize and keep the track of everything and focus on munching the weekly tasks.
Pufferpanel - It's made for hosting your Minecraft server. It's open source.
Taskable - Using multiple work apps leads to tons of context switching, breaking flow and killing productivity.
WindowsGSM - A Game Server Manager works on Windows Platform.