MIT License - A license from the Massachusetts Institute of Technology.
Labs64 NetLicensing - Monetize your digital products and services
Simplified BSD License - Also known as the "2-clause" BSD license, this is a simplified version of an open source license created at the University of California Berkley.
tl;drLegal - Software Licenses in Plain English
AGPL - GNU Affero General Public License. Strong license for applications designed to guarentee user freedoms to access, modify, and redistribute server-side code.
Keygen - A dead-simple software licensing API built for developers