Cryptomator - When it comes to saving your files on a cloud server, it is important to ensure the security of those files. Keeping your delicate files out of the wrong hands can save you a lot of time and hassle. Read more about Cryptomator.

Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

BoxCryptor - Boxcryptor encrypts your sensitive files before uploading them to cloud storage services like Dropbox, Google Drive, Microsoft OneDrive, Box, and many others.

Calendar Lock PEA - Calendar Lock PEA is an encrypted desktop calendar with a day, week and month view. The shown calendars are never stored unencrypted on your disk, but exist only in the RAM. Platform-independent, Open Source, no installation or registration required.

VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.

GMinder - GMinder is an open source Windows System Tray app that pops up to remind you about Google Calendar events.