Search on Encrypted Google
This addon provides Google results (from encrypted.google.com) with end-to-end encryption.
Simple Night Mode
An addon to invert the color of any webpage/website, making contents of any website less stressful on your eyes.
Urban Dictionary Search
A lightweight ( ~ 10 KB ) right click based Urban Dictionary search extension to find meaning of selected word. Highlight text, right click and select Urban Dictionary option. Opens search results in new tab.