C-Organizer - C-Organizer is a robust software tool designed for the professional manager that permits them to organize business activities altogether.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
MSD Organizer - MSD Organizer one of the best software providing you a personalized experience with the complete visibility of the personal and professional manager.
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
Info Select - Info Select is a Personal Information Manager that organizes Internet data, notes, to-do's...
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.