Citymapper - The ultimate transport app - iPhone / Android / Web.

Wren - Offset your carbon footprint by saving rainforests

Uber Transit - Uber now offers real time data for public transportation

Capture - A great free screen capture utility that allows you to capture either a window or the desktop and save it to either a file or the clipboard.

Tickey - Buy tickets for public transport with your smartphone

Treepoints - Fight climate change and earn rewards