Google Calendar - Spend less time managing your day & more time enjoying it
Synology Note Station - Without needing to spend money on Evernote, Synology Note Station provides a desktop client to organize all your random notes in one place.
CalenGoo - Features | 1.0.175 for Android™
UpNote - A beautiful and clean cross-platform app for notes organizer
Annual View - Annual View displays and manages calendar events within a year view.
Notesnook - Notesnook is a simple and private note taking app that keeps your notes organized and synced on your phone, tablet and computer.