Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
M+ 1m - Download and install the M+ 1m free font family by M+ Fonts as well as test-drive and see a complete character set.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Bitstream Vera Sans Mono - Bitstream Vera Sans Mono Font | dafont.com
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Inconsolata - OSX, Productivity, Design, Typography, powerline, and Fonts