Taskbook - Like Trello but for the Terminal
gitsome - Supercharged Git/Shell autocompleter w/ GitHub integration
Todorant - Tricks yourself into craving completing tasks
Kite - Kite helps you write code faster by bringing the web's programming knowledge into your editor.
vim-taskwarrior - a vim interface for taskwarrior
YOURLS - YOURLS is a website that contains all the tools you need to create and launch your very own URL shortener. URL shorteners like bitly or TinyURL are fine for public use, but they offer limited options in terms of URL customization.