Super Gmail is a productivity chrome extension. it's a free extension , it has 3 active users since released its first version, it earns an average rating of 5.00 from 1 rated user, last update is 745 days ago.
An open-source version of wanna be like superhuman email client
You could download the latest version crx file or older version files and install it.
English.
You could find more help information from super gmail support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of super gmail.
You could click to report abuse of super gmail.