Rebrandly - Rebrandly is the easiest way to create, share and manage branded links.

MIT License - A license from the Massachusetts Institute of Technology.

Bitly - Get the most out of your social and online marketing efforts. Own, understand and activate your best audience through the power of the link with Bitly Enterprise.

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.

YOURLS - YOURLS is a website that contains all the tools you need to create and launch your very own URL shortener. URL shorteners like bitly or TinyURL are fine for public use, but they offer limited options in terms of URL customization.

AGPL - GNU Affero General Public License. Strong license for applications designed to guarentee user freedoms to access, modify, and redistribute server-side code.