Bit is described as 'helps you share, discover and use code components between projects and applications to build new features and products faster with your team. It's the fastest way to share and sync React.js and Vue.js UI components, Node.js modules and shared code without the overhead'. There are three alternatives to Bit for Online / Web-based, Self-Hosted solutions, SaaS, Bitbucket and GitHub. The best alternative is Replit, which is free. Other great apps like Bit are Beacon (Free) and Git X-Modules (Free).
Beacon allows you to share content across multiple websites. Start by creating a Beacon widget, adding your content and installing it on your websites. By showcasing your content in a beautiful way, you are sure to increase user engagement on your site.