Opera
<ul>
<li><a href="https://twitter.com/odevrel">Opera DevRel on Twitter</a></li>
<li><a href="https://github.com/operasoftware">Opera Software on GitHub</a></li>
<li><a href="https://stackoverflow.com/questions/tagged/opera">Opera questions on Stack Overflow</a></li>
<li><a href="http://lanyrd.com/opera">Opera on Lanyrd</a></li>
<li><a href="http://webplatform.org/">WebPlatform.org</a></li>
<li><a href="http://caniuse.com/#agents=opera,op_mini,op_mob&amp;statuses=All">Opera on Can I use…</a></li>
<li><a href="http://operasoftware.github.io/upstreamtools/">Opera’s upstreamed commits</a></li>
<li><a href="http://www.chromestatus.com/features">Chromium dashboard</a></li>
<li><a href="https://bugs.opera.com/wizard/">Opera bug wizard</a></li>
<li><a href="https://chromiumbugs.appspot.com/">Chromium bug wizard</a></li>
<li><a href="http://www.operasoftware.com/products/tv-emulator">Opera TV Emulator</a></li>
<li><a href="http://www.opera.com/developer/opera-mini-simulator">Opera Mini Simulator</a></li>
<li><a href="https://addons.opera.com/en/extensions/category/web-development/?order=popular&amp;language=en">Extensions for developers</a></li></ul>
<li><s href="https://github.com/operasoftware/devopera/blob/master/CONTRIBUTING.md">Contributing to Dev.Opera</a></li>
<li><a href="http://dev.opera.com/extensions/">Extensions Documentations</a></li>]
<li><a href="http://dev.opera.com/blog/">Blog</a></li>
<li><a href="http://dev.opera.com/articles/">Articles</a></li>
<li><a href="http://dev.opera.com/extensions/">Extensions</a></li>
<li><a href="http://dev.opera.com/tv/">TV</a></li>

</ul>