Many of the biggies viz. Google, Amazon depend on open source software
We have benefitted a lot from open source
So to return the favor, we open source all non critical code
Don't forget to check us out on Github
Python
This nifty little framework can do wonders. Here is a template to get you started.
Ruby
Cache bust your static assets in your sinatra app using this nifty extension.
Ruby
Code for this site. It generates a static site out of ruby code and slim templates.