Raft Calendar - A fun and beautiful calendar for couples and close friends
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Onin - Plan events without leaving the conversation
Standard Notes - A safe place for your notes, thoughts, and life's work
Ddays - Plan events with friends without the back and forth messages
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.