Linktree - Connect your audience to all of your content with just one link.
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.
Carrd - Simple, responsive one-page site creator.
Anonymous URL Shortener - Anonymous URL Shortener, Referer, Anonymizer, Redirection service.
Taplink.at - Turn your link in bio into a navigation hotspot with Taplink's professional templates and drag-and-drop functionality.
Lstu - A nice and open source url shortener. You can use it as service or install it on your own server.