List of augmented browsing software

Augmented Browsing Software
Name	Form	Features	Compatibility	Last Updated
Bookmarklets	JavaScript	Can execute arbitrary JavaScript on any page, but requires a user to click them, rather than running automatically		Always working
Firebug	Firefox extension for developers	Allows arbitrary real time changes to a page's DOM		2017
Grammarly	Browser extension	Grammar, plagiarism and spell checker which can retrieve definitions and synonyms for marked words.	Firefox, Chrome, Safari, IE10+	2017
Greasekit		Provides userscripting for Safari (WebKit)		2008
Greasemonkey	Firefox extension	Alters the output of web content immediately after being displayed	Firefox, Flock and Web (formerly Epiphany).	2017
iMacros	Firefox, Chrome and Internet Explorer extension	Allows the user to record and replay "Internet Macros" for web automation, web scraping or web testing.		2016
Proxomitron	Proxy-level language	Available since late 1990s, predates JavaScript active browsing and provides a similar function for all browsers using a regular expression-like matching language		2003
Stylish	Firefox extension using Cascading Style Sheets	Client-side manipulation of webpage content		2017
Tampermonkey	Browser extension	Tampermonkey makes it very easy to manage userscripts and provides features like a clear overview over the running scripts, a built-in editor, ZIP-based import and export, automatic update checks and browser and cloud storage based synchronization.	Chrome, Microsoft Edge, Safari, Opera Next, and Firefox.	2019-05-06