SafeNote - Encrypt and send files and notes with a link that automatically destruct after being read. SafeNote is a free web-based service that allows you to share a note or a file with confidentiality. There is no way to spying on you even to a hacker.

Business Calendar - Powerful and easy to use calendar app for Android including weather, widgets and tasks.

Revealit.me - ReveaiIt.me allows you to send a one time link to a self-destructing document.

FCorp My Calendar - Manage diary/note, schedule, todo, birthday, etc.

Frim - Frim is a client instant style Telegram LINE or messaging, allowing you to send and receive messages from your friends from the computer.

AnCal - AnCal stores yours appointments, tasks and notes, which you can easily add and edit.