Axiom - Axiom is a general purpose Computer Algebra system.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Orchestra - An open-source robotic process automation system 🚀
TickTick - TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.
Zontroy Generator - Let the computers do what they can
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.