LifeDigger - Evolving personal knowledge base
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
TaskPaper - Plain text to-do lists for Mac
TheBrain - TheBrain: The Ultimate Digital Memory
TickTick - TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.
ConceptDraw MINDMAP v10 - Easy tool for mind mapping and data structuring (Mac/ PC)