Common Development and Distribution License
New BSD license
Mozilla Public License 1.1 (MPL)
Sun Industry Standards Source License (SISSL)
And many others, in addition to these I dont have any fundamental problems with closed source licenses..
Your buddy says 80 percent are GPL, you mean you're not going to question or insult him about it too? Why not? Because you're finally ready to admit 80 percent of all OSS is licensed by that "rabid anti-capitalist"? Might as well since you got blown out of the water trying to deny it.