NSD is a browser extension publisher, most of their extensions are productivity extension and accessibility extension.
October 5th, 2015
Limits maximum number of tabs you can use to 2 tabs
July 10th, 2019
Changes between Authoring and Public View of SharePoint
Happy New Tab with RAM Usage Action Button
June 10th, 2017
Create Strm file from Youtube url
A Simple New Tab Page. This is an initial version. I made this because the default new tab page has become very distracting.
You could send emails to publisher.