chl.li is particularly recommended for individuals, bloggers, or small business owners who need a reliable and easy-to-use URL shortener. It is also suitable for those who require basic analytics to monitor the performance of their links without needing advanced features.
YOURLS - YOURLS is a website that contains all the tools you need to create and launch your very own URL shortener. URL shorteners like bitly or TinyURL are fine for public use, but they offer limited options in terms of URL customization.
Shorten.REST - A URL shortener API you can depend on
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.
Short.io - Short.io makes short links (vanity urls) on your own domain. Free signup, analytics and API. Chrome, slack, zapier and segment integrations.
Ow.ly - Shorten links, measure traffic, and demonstrate social ROI right inside the Hootsuite dashboard.
Cutt.ly - Free custom URL Shortener and branded URLs with advanced links tracking and Link Management Platform & API.