Kutt.it - Kutt.it is a free and open source URL shortener with custom domains and stats.
Linktree - Connect your audience to all of your content with just one link.
PixelMe - URL shortener for savvy marketers
Shorby - Shorby URL Shortener is an online utility that easily shortens all the URLs and automatically creates short links.
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.
Keyoxide - Keyoxide is a secure platform that allows you to manage a decentralized identity based on cryptographic keys.