Tiger - The TIGER security tool Homepage
Slack - A messaging app for teams who see through the Earth!
Silverback - Silverback 3
Smoothboard Air - Smoothboard Air is a collaborative interactive whiteboard application for iPads and Android devices that revolutionizes interaction in lecture rooms.
Babun - pact - advanced package manager (like apt-get or yum). xTerm-256 compatible console. HTTP(s) proxying support. Plugin-oriented architecture. Pre-configured git and shell.
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.