Question: what is not a common web browser?
Answer: Stainless. Stainless is a browser created in response to Google Chrome. ...  Maxthon. Maxthon is a highly configurable browser that places an emphasis on security. ...  Sleipnir. ...  Swiftfox. ...  Lunascape. ...  Konqueror. ...  SeaMonkey. ...  OmniWeb.