Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Dreamie Planner - Dreamie Planner app contains a built-in diary through which users can write important details about their daily tasks and can send the content of the diary to their friends and colleagues.
Revealit.me - ReveaiIt.me allows you to send a one time link to a self-destructing document.
FamCal - FamCal is an organized and managed calendar to track the family records like events, notes, and dates of births.
FCorp My Calendar - Manage diary/note, schedule, todo, birthday, etc.
Power Planner - Record homework and class schedule.