Implement Arnoldi and Lanczos methods for svds and eigs
Grails plugin to implement token-based, RESTful authentication using Spring Security
Handlebars helpers which implement Jade-like layout blocks.
Thread based PHP daemon to implement stuff like message queues.
Helper to simply implement a worker around RSMQ ( Redis Simple Message Queue )
Lazy way to implement common actions in controllers in Rails
How to implement correctly a LocalStorage feature in Android Webview