I was wondering the same. I definitely recognize the name but not from a Firefox fork, which this seems to be? Before it was a lightweight webkit browser. The original website[1][2] also doesn't work anymore and the wikipedia entry [3] still assumes it's a webkit browser.
No idea what's going on.
[1] https://www.midori-browser.org
[2] https://web.archive.org/web/20200630051854/https://www.midor...
[3] https://en.wikipedia.org/wiki/Midori_(web_browser)