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.
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
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.
Standuply - Run daily standup meetings and track your metrics in Slack
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.
MeetNotes - Increase Productivity with Meeting Notes Tool. More effective minutes, Prepare Agenda, Collaborative Notes & Action Items.