Yellkey is described as 'New URL shortener to replace the now offline Shoutkey' and is a URL Shortener in the category. There are more than 50 alternatives to Yellkey, not only websites but also apps for a variety of platforms, including SaaS, Windows, Linux and iPhone. The best alternative is Kutt, which is both free and Open Source. Other great sites and apps similar to Yellkey are bit.ly (Freemium), Polr (Free, Open Source), TinyURL (Free) and adf.ly (Free).
Shorten URLs from anywhere with bit.ly. Bit.ly allows users to shorten, share, and track links (URLs). Reducing the URL length makes sharing easier. Bit.ly is available as a website, as a bookmarklet, and as a robust and open API.
Earn money for each visitor to your shortened links with adf.ly! Use a URL shortening service that pays. adf.ly is a free URL shortening service with a twist: get paid to share your links on the Internet! Just register for an account and start shrinking.
T2m.io is another best URL shortener with branded links. It offers: Free amazing dashboard, UNLIMITED URL links with UNLIMITED clicks. Its also provides: Custom branded domain, full featured API, Bulk create via CSV Import & CSV exports, much more.