PHPStorm 10, IntelliJ IDEA, WebStorm, RubyMine, PyCharm
For activation set license server to:
> http://idea.lanyus.com (May be locked, read below)
and press Ok. No key. Worked.
UPD:
Site may be locked in some regions. We can bypassing it using next link as license server:
> http://nfsgkyi.nrqw46lvomxgg33n.dresk.ru (May be slow, opens about 10-20 seconds; sometimes open on the 2nd try)
It is real url of idea.lanyus.com, but proxified from anonimize service "daidostup.ru" (you can check it yourself in your browser).
On 7 Dec 2015 worked for me.
UPD2 - more proxies:
> http://us.idea.lanyus.com (thanks @virgil31)
> http://15.idea.lanyus.com (thanks @Maveryck70)
Last tested version: 10.0.3
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"text\/x-go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"mysql","xml":"xml","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","ecmascript":"javascript","groovy":"text\/x-groovy","haskell":"text\/x-haskell","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mysql":"mysql","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"plsql","properties":"text\/x-properties","scheme":"text\/x-scheme","vb":"text\/vbscript","vbnet":"text\/vbscript","verilog":"text\/x-verilog","yaml":"text\/x-yaml"}