From Wikipedia, the free encyclopedia
|Look up add-on in Wiktionary, the free dictionary.|
Add-on might mean:
- Plug-in (computing), a piece of software which enhances another software application and usually cannot be run independently
- Add-ons for Firefox (addons.mozilla.org), the official Mozilla Foundation web site which serves as a repository of add-ons for Mozilla-based applications
- Peripheral, an optional computer hardware component that significantly supplements or enhances the functionality of the original unit
- Video game accessory, a piece of hardware used in conjunction with a video game console for playing video games
See also 
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