It is chrome. 

 Chrome isn’t bad? 

 Chrome is pure evil. But a lot of web applications do not work in other browsers. 

 Vanadium is what grapeneos ships with.  

 Can that be used out side of grapenos? 

 It is open source.
https://github.com/GrapheneOS/Vanadium 

 TorBrowser, DuckDuckGo browser or Mull are all good choices. 

 Would I need to install orbit to use tor browser?