Inferno vs Svelte: What are the differences?

Developers describe Inferno as "A fast, React-like JavaScript library for building UIs". Inferno is an isomorphic library for building high-performance user interfaces, which is crucial when targeting mobile devices. Unlike typical virtual DOM libraries like React, Mithril, Virtual-dom, Snabbdom and Om, Inferno uses techniques to separate static and dynamic content. This allows Inferno to only "diff" renders that have dynamic values. On the other hand, Svelte is detailed as "A UI framework that compiles into tiny standalone JavaScript modules". If you've ever built a JavaScript application, the chances are you've encountered – or at least heard of – frameworks like React, Angular, Vue and Ractive. Like Svelte, these tools all share a goal of making it easy to build slick interactive user interfaces. Rather than interpreting your application code at run time, your app is converted into ideal JavaScript at build time. That means you don't pay the performance cost of the framework's abstractions, or incur a penalty when your app first loads.

Inferno and Svelte can be primarily classified as "Javascript UI Libraries" tools.

"Faster than React" is the primary reason why developers consider Inferno over the competitors, whereas "Javascript compiler (do that browsers don't have to)" was stated as the key factor in picking Svelte.

Inferno and Svelte are both open source tools. Svelte with 19.2K GitHub stars and 715 forks on GitHub appears to be more popular than Inferno with 13.8K GitHub stars and 633 GitHub forks.