syossan27 is a
browser extension publisher,
most of their extensions are
accessibility extension and
developer tools extension.
April 20th, 2017
Alert that looking at the old Github repository.
November 3rd, 2016
Manage pomodoro for github issue
February 28th, 2016
A description of the star has been the github repository by other users, when move the cursor on github repository link.
You could send emails to publisher, or check publisher's website.