bo.im is described as 'It’s a free shortener for social media, pages, bots and apps, in which you can make a single link to reference them all. But that’s not it! This link will be smart. It will behave according to where it is executed from, whatever that site is'. There are more than 100 alternatives to bo.im for a variety of platforms, including Online / Web-based, Windows, Linux, Self-Hosted solutions and Mac. The best alternative is Kutt, which is both free and Open Source. Other great apps like bo.im are bit.ly (Freemium), Polr (Free, Open Source), YOURLS (Free, Open Source) and Catbox (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.