Have you ever wondered why there are so many different kinds of “Python”? CPython, Cython, RPython, PyPy, Jython, and IronPython are all flavors of Python but not everyone knows why each exists.

reactive_record from Chris Wilson is a nifty library that generates ActiveRecord models to fit a pre-existing PostgreSQL database.

Special thanks to Michal Papis, maintainer of Ruby’s RVM, for contributing this post on the challenges faced when working as an open source project maintainer.

I think it’s safe to say that Codio’s new site — I Love Open Source — is right up The Changelog’s alley. How does it work? Open source developers sign up and list ways that people can support their projects. They get an embeddable widget for their README or project home page. Open source supporters sign up and list which projects they use in their applications.

Many Mac-based hackers know and love pbcopy and pbpaste (more info). But wouldn’t it be cool if you could copy image data to your clipboard and paste it directly to a file from the command line? Good news! pngpaste lets you do just that.

Rails 4 is out and used en masse, but Dan McClain hasn’t rested on his laurels with adding Postgres-specific goodies to ActiveRecord.

I’ve been using Responsive Nav by Viljami Salminen for a few projects recently. It’s the quickest way to add the trendy menu to your site.

One of the biggest issues with responsive web design is creating modular components that can be reused and adapt to the context they are placed in.