Galaxy Zoo is Open Source | 2013 | Zooniverse

"It’s always a good feeling a be making a codebase open and today it’s time to push the latest version of Galaxy Zoo into the open. As I talked about in my blog post a couple of months ago, making open source code the default for Zooniverse is good for everyone involved with the project. One significant benefit of making code open is that from here on out it’s going to be much easier to have Zooniverse projects translated into your favourite language. When we build a new project we typically extract the content into something called a localisation file (or localization if you prefer your en_US) which is basically just a plain text file that our application uses...."

https://web.archive.org/web/20130419024157/https://blog.zooniverse.org/2013/04/16/galaxy-zoo-is-open-source/