Useful and cool software for desktop operating systems
Caffeine - http://lightheadsw.com/caffeine/
Don't let your Mac enter sleep mode while presenting
Spectacle - https://www.spectacleapp.com/
Move and resize windows with ease
smcFanControl - https://www.eidac.de/?cat=40
smcFanControl controls the fans of every Intel Mac to make it run cooler.
SourceTree - https://www.sourcetreeapp.com/
A free visual Git client for Mac (and windows)
Toggl - https://toggl.com/
An excellent tool to quantify and manage your own time (and your team time)