jCalendar is a flexible software that helps you manage dates, tasks, resources, contacts, and emails. It's an efficient solution for keeping your schedule organized.

The software also features many print functions including day, week, month, and list printing, as well as month, week, and several day views. Additionally, the multi-row view in the views, group selection and -view for all views, and daily and weekly group views allow for a variety of different ways to interact with your calendar.
One of the standout features of this software is its flexibility. It allows for private entries, easy handling, and more than one appointment for each moment. It also enables users to define cycle iterations, automatically includes German holidays, and has a search function with many selection criteria.
Assigning several categories, resources, contacts, users, and groups for each appointment is a breeze. The software also has a template function for appointments, tasks, and reservations, and a complex invitation management system for external users. You can even send auto-invitations for each entry to external contacts.
In terms of reminders, the software has an acoustical reminder with cyclic remind function that can be customized with your own alarm sound. The category manager and contact manager, with the ability to define your fields, make organizing your tasks and meetings a cinch.
The software is also available in both English and German, and boasts an import function for Outlook Appointments, Contacts, and Tasks. Finally, it can be used on Windows, Linux, and MacOS X. Overall, I would definitely recommend this software to anyone looking for a robust and customizable calendar and productivity tool.
Version 4.0: Dynamische Kontaktverwaltung, Neue Druckansichten, Gruppenauswahlen für alle Ansichten, Neue Ansichten, Sekretärinnenfunktion, ...