EssentialPIM is a personal information manager that allows you to store all your important data electronically.

All your important appointments, tasks, notes, contacts, password entries, and email messages can be conveniently stored in a graphical and easily accessible form. EssentialPIM includes numerous tools to satisfy your calendar, contact management, tasks, notes, password entries, and email needs. All data is cross-linked to link your contacts to appointments, email messages to notes, etc. It also has synchronization with all the major online services (Google, Yahoo, Funambol, Mobical, GoodSync, etc.) and SyncML and CalDAV servers. Outlook, Windows Mobile, and Palm synchronization are also available.

EssentialPIM allows for the simple printout of any modules and quick export of your data into the most popular formats (iCal, vCard, CSV, HTML). It features powerful data protection with a 256-bit Advanced Encryption Standard (AES) algorithm for those security-minded users.

EssentialPIM Features:

Calendar

Tasks

Notes

Contacts

Mail

Passwords

Sync with Android and iPhone

Similar:

How to Uninstall Mail and Calendar Apps in Windows 10

Version History for EssentialPIM :
https://www.essentialpim.com/blog-and-news

Limitations:
The free version includes the above features. The price for the Pro version is $39.95 and further includes:

Cloud services synchronization

Synchronization with MS Outlook

Multi-user access to database

Sticky notes to desktop

Global cross-linking

Storing and linking attachments