Super Starter Kit 2 (aka SSK2) - PRO is my complete (code) starter kit for Corona SDK.
(See complete docs here.)
SSK2 PRO currently contains dozens of libraries, extensions (Corona and Lua), and multiple extras.
The purpose of this 'Starter Kit' is to give you a big leg up on developing Corona SDK Games (and Apps).
As an added bonus, owning SSK2 Pro will give you free access to hundreds of free and low-priced: