Tuple - Tuple is a Mac-only remote pair programming tool for discerning developers
Teampaper Snap - Take a snapshot, highlight key areas and share feedback
Kite - Kite helps you write code faster by bringing the web's programming knowledge into your editor.
LongLiveSS - A clean way of saving screenshots at regular intervals
replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
FLEX - An in-app debugging and exploration tool for iOS.