A curated listing of mature, production ready, commercial and open-source code that solves real-world requirements.
jappstart is a Java framework for Google App Engine built on Spring, Spring Security, and Sitemesh. The project aims to be the starting point for Google App Engine Java applications. It's not a framework in the traditional sense -- rather it is designed to provide a solid foundation for GAE/Java applications that can be easily extended by developers.FREE
contacts.droid simplifies dealing with contacts and addresses on Android.$4.99
Calculates string math expressions from user input or other sources. Includes calculator UI component for out of the box usefulness.$7.99+
Complete User Feedback Activity for your Android Java application with built in SOAP service support, demo app project and PHP SOAP service included as an example.$9.99+
This is a quiz application for Android listing single questions with 4 different answers. You can build your own picture or logo quiz app using the source code provided. Includes admin panel minicms to manage question, source code and documentation.$20.99+
Buy ERP with source code and ownership rights to rebrand and resell.$50.00
A software complete source code that converts any string to some of the most used cryptography algorithms.FREE+