Linktree - Connect your audience to all of your content with just one link.
Short.cm - Short.cm makes short links (vanity urls) on your own domain. Free signup, analytics and API. Chrome, slack, zapier and segment integrations.
many.link - Add as many links in your Instagram bio as you want
Zero Width Shortener - Shorten URLs with zero-width characters
ContactInBio - Offer More Contact Options To Your Followers
BioLinky - Yet another link tool? Yeah.. But better, and totally free!