Sort of. http://www.codinghorror.com/blog/2006/09/has-joel-spolsky-jumped-the-shark.html http://www.codinghorror.com/blog/2006/09/has-joel-spolsky-ju... This s

Sort of. http://www.codinghorror.com/blog/2006/09/has-joel-spolsky-jumped-the-shark.html http://www.codinghorror.com/blog/2006/09/has-joel-spolsky-ju... This suggests they're Windows native, but using custom tech to provide non-Windows compatibility.