Ecco Pro - Ecco Pro was a personal information manager software based on an outliner.

C-Organizer - C-Organizer is a robust software tool designed for the professional manager that permits them to organize business activities altogether.

InfoQube - Full-featured Information manager, inspired by award-winning Ecco Pro.

MSD Organizer - MSD Organizer one of the best software providing you a personalized experience with the complete visibility of the personal and professional manager.

OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.

OmniOutliner - OmniOutliner is a writing app for collecting information, outlining ideas, adding structure to any sort of writing.