>>55495435
Yeah... but most browser engines aren't.

>>55495435
>standards
>being open source
it's just a specification, its up to the browser to implement the engines that render them.

are you retarded?

>>55495478
Most are actually, WebKit and gecko are 90% of market share and are both Foss.

HTML and CSS are open standards you can use royalty free.

>>55495508
I stand corrected.

>>55495494
So are there any browsers that don't support them and support some other weird standard?

>>55495735
I don't think so, but if you're interested in alternatives to HTTP, you can look into this.

http://www.xanadu.net/