You can also add ".patch" at the end of a github commit url, which will show the users email address. For example:<p><a href="https://github.com/TinyCC/TinyCC/commit/c52d79605a3c895a16e18f0b7193f1f4b480a60f.patch" rel="nofollow">https://github.com/TinyCC/TinyCC/commit/c52d79605a3c895a16e1...</a>