Shorten.REST - A URL shortener API you can depend on
Pixela - Record and Track your habits or effort. All by API.
Zero Width Shortener - Shorten URLs with zero-width characters
Password-Generator.xyz - Generate Random Strong Password Online
Short.io - Short.io makes short links (vanity urls) on your own domain. Free signup, analytics and API. Chrome, slack, zapier and segment integrations.
chl.li URL shortener - A simple, modern, free and privacy-friendly URL shortener.