- middleman-cloudfront 50 An Amazon CloudFront extension for middleman which allows you to invalidate CloudFront CDN cache
- circlefy 8 Social network with extensive use of Comet technique
- mathml-chrome 7 Chrome extension which provides LaTeX & MathML rendering for any page you want via MathJax.
- ocrsdk 6 Abbyy's ocrsdk.com api library gem for ruby
- programming-contests 5 My solutions for some popular programming contests