Before hosting one, please see [shortcomings](https://en.wikipedia.org/wiki/URL_shortening#Shortcomings) of URL shorteners.
- [Blink](https://docs.blink.rest) - Easy-to-host, SSO-integrated, CDN-powered link shortener (+decoupled analytics) for teams. ([Source Code](https://github.com/JaneJeon/blink)) `AGPL-3.0``Nodejs`
- [Kutt](https://kutt.it) - A modern URL shortener with support for custom domains. ([Source Code](https://github.com/thedevs-network/kutt)) `MIT``Nodejs`
- [Link-shortener-bot](https://github.com/tommyku/link-shortener-front-end) `⚠` - URL shortener using a Telegram Bot. ([Demo](https://t.me/GiveMeShortLinkBot)) `MIT``Ruby`