"This is great, but it's also insufficient. Red Hat announced way back in October 2007 that it had passed 3,000 certified applications, and currently has more than 3,400, according to a Red Hat PR representative.

"In fact, I just ran a search of Red Hat's independent software vendors catalog and came up with 4,314 certified applications.

"Now, it's possible that "more than 2,500" actually means "more than 4,314," but I suspect Novell just got its math wrong. Indeed, Novell's certified application list actually includes 2,549 applications, as of Monday."