N-url is described as 'xyz is an url shortener. You can have your profile page and create link bundles' and is a URL Shortener in the category. There are more than 100 alternatives to N-url, not only websites but also apps for a variety of platforms, including Windows, Self-Hosted solutions, Linux and Mac. The best alternative is Kutt, which is both free and Open Source. Other great sites and apps similar to N-url are bit.ly (Freemium), Polr (Free, Open Source), YOURLS (Free, Open Source) and Anchr.io (Free).
URL.rw is a free de-referer service running since 2015. You can easily use it to hide the http-referer of outgoing links on your website. This will protect you from leaking potential compromising information, thus increasing the privacy of your visitors.
Shrinky is a free URL forwarding service (URL redirection) allowing anyone to take any existing URL and shorten it. You can custom your link - set password, number of uses, expire date, make it public or private and choose desired name.
Z.ips.ME is a free open-source program that allows you to use your website as your very own link shortening service. You control the link text, how long the link works, and only you have access to your data.
Shortshare is the simple and fast URL shortener app for macOS! Simply shorten any URL from your browser (via Share menu, Safari App Extension, or extensions for other browsers) or direct input with many supported providers like - dsh.re - Bitly - Rebrandly - Short.