Our OSS application server is written (mostly) in JS because we upstreamed all our improvement to Node.js core over the last few years, so everyone can enjoy them. Our goal is to advance the commons too. It also massively simplify distribution and onboarding, as it’s just a Node.js script.
In terms of functionality, Watt allows you to run your Node.js application as-is with all the benefits listed above. Specifically, our application server provides additional capabilities to all frontend frameworks (Astro, Next, Remix, etc..).