Linkfire - Linkfire is a smart links tool for music marketing.
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.
Amplify.link - Powering artists and creators worldwide, providing the tools and knowledge to help artists and creators market themselves more effectively, reach more fans, and monetize their audiences.
Kutt.it - Kutt.it is a free and open source URL shortener with custom domains and stats.
PodLink - Easily share your favorite podcasts with anyone
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.