Matt Balmer is a
browser extension publisher,
most of their extensions are
productivity extension and
social & communication extension and
developer tools extension.
June 25th, 2018
Redirects any reddit.com page to old.reddit.com
February 19th, 2016
This extension provides extra utilities to Facebook.
September 8th, 2019
Small CSS changes to DIM
April 21st, 2015
Improves the interface of Mingle, providing a more elegant User Experience.
You could send emails to publisher.