ABBREX - Abbreviation Expander Add-on
Once you install it on your browser, it displays the meanings of abbreviations and acronyms in tooltips when you hover over them. It works automatically and unobtrusively on any site you visit. No more constantly having to look up abbreviations when you are surfing the web!
It is community-driven so ABBREX abbreviation database keeps growing every day and you can contribute by adding abbreviations too!
Watch this short video to see how ABBREX works: