Org-mode is an Emacs Mode for Notes, Planning, and Authoring. Developed by Carsten Dominik
License: Open Source
Org-mode is a highly flexible and customizable tool ideal for users who prefer text-based management and are comfortable with Emacs, while EssentialPIM offers a more user-friendly interface with integrated calendar and contact features, making it suitable for general users seeking an all-in-one personal information manager.