Svelte is a modern front-end framework that compiles your code at build time, resulting in smaller and faster applications. It uses a reactive approach to update the DOM, allowing for high performance and a smoother user experience.

Firebase offers a comprehensive set of features, including real-time database, authentication, hosting, cloud functions, storage, and more. Firebase provides an easy-to-use interface and allows developers to focus on building features rather than managing infrastructure.

RollupJS is a popular and efficient JavaScript module bundler that takes the code from multiple modules and packages them into a single optimized file, minimizing the overall size of the application and improving its performance.