Zero Width Shortener vs Rebrandly: What are the differences?

Zero Width Shortener: Shorten URLs with invisible spaces. It is a URL shortener that shortens URLs using spaces that have zero width, making them invisible to humans; Rebrandly: Create and share links with your custom domain name. It is a fresh approach to short links, which allows you to create cool, descriptive links using a custom branded domain name. Unlike other URL shorteners, links are simple to pronounce, easy to remember, and they promote your brand.

Zero Width Shortener and Rebrandly belong to "Link Shortening as a Service" category of the tech stack.

Zero Width Shortener is an open source tool with 486 GitHub stars and 30 GitHub forks. Here's a link to Zero Width Shortener's open source repository on GitHub.