"Electronic Literature Collection, Volume 2" is a just-published, Creative Commons licensed multiformat volume from the The Electronic Literature Organization. It comprises 63 works:
* Countries: Austria, Australia, Canada, Colombia, France, The Netherlands, Spain, UK, US
* Languages: Catalan, Dutch, English, French, Portuguese, Spanish
* Formats: Flash, Processing, Java, JavaScript, Inform, HTML, C++
You can get it packaged as a DVD. The Web-based version linked below is a little browser-unfriendly (mysterious icons without descriptors), but the projects themselves are pretty interesting!