Read simple XML easily
The facebook plugin provides access to Facebook Connect, a set of APIs for accessing the Facebook social network. The functions allow a user to login/logout, post messages and images, and retrieve status.
A generic tile map editor
Mocks for unit testing Corona SDK projects
A Corona library for Predeterminite Tweening. This will help boost performance of your app if you have a lot of transitions that don't require runtime calculation (for example, character part animations).
Module to allow saving and loading data for the Corona SDK.
Small corona-sdk project to help with particle candy effect creation
Fully scriptable REST Testing Tool