tr.im says it cannot find a way of making money to continue its development and support. Users won’t pay to shorten their urls, and not enough companies are interested in purchasing trend data. Twitter chose bit.ly as their preferred URL shortener earlier this year. Tr.im suffered from what it claimed to be a denial-of-service attack last week, which blew the site offline for some hours. It has been suggested, however, that hackers may not have been to the site.”]
Source: https://grahamcluley.com/denialofservice-attack-final-straw-trim/