Kutt.it - Kutt.it is a free and open source URL shortener with custom domains and stats.
exitbar.io - Find buzz content and promote your business with it
PixelMe - URL shortener for savvy marketers
Sniply - Sniply is a content marketing tool providing social media conversion.
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.
Backly - Backly provides shareable links perfect for marketers, agencies, online businesses to get more out of social accounts.