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.
Note.ly - Note.ly is an easy-to-use platform that allows you to save thoughts and ideas in notes and share them with anyone.
Standard Notes - A safe place for your notes, thoughts, and life's work
Lucidspark Online Sticky Notes - Lucidspark Online Sticky Notes provides teams with a full-screen canvas to create notes, discuss thoughts, share experiences, or initiate voting to reach a suitable decision.
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.
Miro Online Sticky Notes - Miro Online Sticky Notes allow you to create unlimited notes to record ideas, thoughts, and other information and share them with your colleagues, friends, or anyone else.