Based on the 'New tab button for toolbar'. Github page: https://github.com/Roman-Tarasiuk/newtabplus.

Install

• License: Mozilla Public License 2.0
• Weekly downloads: 1
• Average daily users: 17
• Rating: 0/5 of 0 ratings
• Created: 2019-07-23 16:25:54
• Last updated: 2019-07-24 16:35:13
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/new-tab-plus-2/
• API: {bab41f33-d8ab-4d9c-90b7-1a9fc66bac41}