Nope! The original group will sue you for trademark infringement, despite that they're the ones peddling a broken knockoff version. (See, eg Python, Firefox, GI

Nope! The original group will sue you for trademark infringement, despite that they're the ones peddling a broken knockoff version. (See, eg Python, Firefox, GIMP, etc; I don't pay much attention to webapp-related stuff, so I don't have more proximate examples.)