Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.
Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
Actiontext - Todo.txt client for Windows 10
Local Niche Machine - Make Videos For Local Businesses And Charge Them Whatever Price You Want! -- Crank Out Premium Quality HD Videos In Minutes In Any Niche -- Fully Mobile Responsive -- Make Changes On The Fly
Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.
Lightning Calendar - Organize your life — it’s about time!