Microsoft Outlook Calendar - Calendar is a time-management web application by Microsoft.

Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.

Calendar by Designs.ai - A complete calendar of all social media holidays.

Simple Sticky Notes - Sticky notes have long served a great purpose. Hang them around the home or office and be instantly reminded of important items in your personal or professional life... read more.

Google Calendar - Spend less time managing your day & more time enjoying it

Notezilla - Colorful & powerful sticky notes app for Windows & Phones.