Cutt.ly - Free custom URL Shortener and branded URLs with advanced links tracking and Link Management Platform & API.
Itiny.in URL Shortener - Free URL shortening & link management service Created by iTiny.in
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Kutt.it - Kutt.it is a free and open source URL shortener with custom domains and stats.
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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.