Carl

oh-my-fish https://github.com/bpinto/oh-my-fish

Siong-Ui Koan Te

oh-my-zsh https://github.com/robbyrussell/oh-my-zsh

$4

fasd https://github.com/clvv/fasd

fish shell http://fishshell.com/

Rex

Beddit - Automatic sleep and wellness tracker. Turn your bed into a smart bed. http://www.indiegogo.com/projects/beddit-automatic-sleep-and-wellness-tracker-turn-your-bed-into-a-smart-bed

hychen

Tristan Hume - Using Slate: A Hacker’s Window Manager for Macs http://thume.ca/howto/2012/11/19/using-slate/

Fred

$ axel -a -n 15 http://blahblahblah/blahhahaha

Haythem Jabnouni

Acunetix Web Vulnerability Scanner http://www.acunetix.com/

yan

Logs management http://www.slideshare.net/MantasK/logs-management

log system dashboard http://a0726h77.blogspot.tw/2014/01/log-system-dashboard.html

Diamond - a python daemon that collects system metrics and publishes them to Graphite https://github.com/BrightcoveOS/Diamond

Vimeo graphite dashboard https://github.com/douban/graph-index

fpm - Build packages for multiple platforms (deb, rpm, etc) with great ease and sanity. https://github.com/jordansissel/fpm