Kontact is a personal information manager and groupware software suite developed by KDE. It supports calendars, contacts, notes, to-do lists, news, and email. Developed by KDE
License: Open Source
Kontact is a comprehensive personal information manager that excels in email integration and task management, making it ideal for users seeking an all-in-one solution. In contrast, FCorp ID Book specializes in contact management with robust import/export features and a focus on organization, but lacks some of the advanced functionalities found in Kontact.