Tampermonkey

Tampermonkey
Original authorJan Biniok
DeveloperJan Biniok
ReleaseMay 2010
LicenseProprietary (donationware)
Websitewww.tampermonkey.net
Repository

Tampermonkey is a userscript manager that enables the user to add and use userscripts, which are JavaScript programs that can be used to modify web pages. It is available as a browser extension.