WhosDown - App where you can genuinely make friends—connecting with someone that shares a common interest
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.
Meetup for iOS and Android - Discover groups that are all about the things you love
Workflowy - A better way to organize your mind.
MEETplnr - Organize meetups in your chat groups with ease
Somnote - More often than not, note-taking is a pressing, off the cuff movement that requests a quick and productive approach.