duy! is described as 'Create short and easy to remember URLs for social networks that don't allow URLs' and is a URL Shortener in the category. There are more than 100 alternatives to duy!, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted solutions, Mac and Windows. The best alternative is Kutt, which is both free and Open Source. Other great sites and apps similar to duy! are bit.ly (Freemium), Polr (Free, Open Source), YOURLS (Free, Open Source) and Anchr.io (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.
Anchr provides you with kind of a toolbox for tiny tasks on the internet. Currently you can upload and share pictures, shorten links for easier sharing and create link collections, which are like a bookmark list that is accessible from everywhere.
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.