# Reference #

### [addon-kit](packages/addon-kit/addon-kit.html) ##

Documentation for the modules provided by the `addon-kit` package.

### [Globals](dev-guide/addon-development/globals.html) ##

Documentation for the global objects available to add-on code.

### [cfx](dev-guide/addon-development/cfx-tool.html) ###

Documentation for the `cfx` command-line tool.

### [Package Specification](dev-guide/addon-development/package-spec.html) ###

The structure and contents of a package.
