WordTsar - Wordstar for the 21st Century:
http://wordtsar.ca/Browserify lets you require('modules') in the browser by bundling up all of your dependencies:
http://browserify.org/Prebake is an Adblock filter subscription that blocks large, obtrusive cookie notices. These notices either consume a considerable amount of screen real estate or popup and distract the viewers attention, which can be just as annoying as ads:
http://prebake.eu/suplemon - Text editor with multi cursor support. It replicates Sublime Text like functionality in the terminal (for Linux users):
https://github.com/richrd/suplemon