Wikimedia Commons (or simply Commons) is an online repository of free-use images, sound, and other media files. It is a project of the Wikimedia Foundation - wikipedia
Files from Wikimedia Commons can be used across all Wikimedia projects in all languages, including Wikipedia, Wikibooks, Wikivoyage, Wikispecies, Wikisource, and Wikinews, or downloaded for offsite use. The repository contains over 37 million media files. In July 2013, the number of edits on Commons reached 100,000,000.