Boostnote - Boostnote is an open-source note-taking app.
TickTick - TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.
SSuite Sticky To Do - SSuite's Sticky To Do app gives you an easy way to track your tasks and organize your day.
Taskwarrior - Taskwarrior is an ambitious project bringing sophisticated capabilities to a simple and elegant...
Doit.im - Doit.
Zenkit - Zenkit is the home you always wanted for your ideas, your projects, your business.