SLS

See http://blog.worldwidelexicon.org/2007/05/25/simple-localization-system-sls/

SLS is, as it suggests, a simple way to localize applications and websites. The system works as follows, and is easy to implement in a wide range of scenarios. Let’s imagine that you have a web user interface that you want to make available in many languages. With SLS, you simply do the following.