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.
UrlHum - The modern, privacy-aware URL shortener built with Laravel.
tinu.be - tinu.be is a open-source url shortener and QR Code generator with all main features totally free and open for community.
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.
Kutt.it - Kutt.it is a free and open source URL shortener with custom domains and stats.
is.gd - Is.