Feed43 : Your favorite site doesn't provide news feeds?
This free online service converts any web page to an RSS feed on the fly.
HTML5 Please : Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you should use them – with polyfills, fallbacks or as they
WaveFunctionCollapse : Bitmap & tilemap generation from a single example with the help of ideas from quantum mechanics.
A powerful Photoshop-like CSS gradient editor from ColorZilla.
