Slack - A messaging app for teams who see through the Earth!
DrawAttention - A whiteboard for you laptop lid
Smoothboard Air - Smoothboard Air is a collaborative interactive whiteboard application for iPads and Android devices that revolutionizes interaction in lecture rooms.
Tabtag - Light diffusing stickers for your MacBook
Groupboard - Free collaborative online whiteboard, web conferencing and online tutoring software that can be embedded in your own website. Used by many online tutors, schools and universities.
Workstars - Make work rewarding