Unused CSS finder - Crawl your website and find unused CSS
Unused CSS finder crawls your website (following all the internal links), analyses all the pages and provides a list of unused css-selectors found in your stylesheets.
Imgen by JitBit - Autogenerate social media thumbnails via a free API
A simple free tool + API to auto generate "cover images" on the fly - Twitter cards, Facebook "open graph" images etc.