Corporate Open Source Repositories You Never Knew Existed

[bobds]

http://www.manageability.org/blog/stuff/open_source_repos

[Xuzz]

Another (probably more-known) one: http://opensource.apple.com/

They get (ahem) behind on the GPL code releases (especially for iOS), but it's still a useful site.

[Hoff]

tl;dr Eight repositories, and there's probably a reason why you didn't know about those eight repositories. Many, many other references to permutations of Java and "Open Source" at that site. Certainly looks intended for SEO, too.

[gte910h]

Additionally: http://gpl.ea.com/

[rick888]

the ads on the page are larger than the actual list of repos.