rollup.js Alternatives
rollup.js is described as 'Rollup is a module bundler for JavaScript which compiles small pieces of code into something larger and more complex, such as a library or application' and is an app in the development category. There are four alternatives to rollup.js for a variety of platforms, including Linux, Mac, Windows, BSD and Online / Web-based. The best alternative is Webpack, which is both free and Open Source. Other great apps like rollup.js are Parcel JS, esbuild and bundlejs.
webpack is a module bundler for modern JavaScript applications.
Parcel combines a great out-of-the-box development experience with a scalable architecture that can take your project from just getting started to massive production application.
bundlejs is a quick and easy way to bundle your projects, minify and see it's gzip size.