I recently (~1 month ago) started a new framework called Gluon, which is similar to Electron in what it does (websites -> desktop apps), but with a new, different approach:

• Uses system installed browsers instead of bundling Chromium or using webview libraries.
• Supports Chromium and Firefox (unlike any other similar frameworks).
• Focusing on developer experience, rapid prototyping, and ease of use.
• Also supports Deno instead of Node (WIP).
• Experimental/early (barely a month since first line written).

Site: https://gluonjs.org/
GitHub: https://github.com/gluon-framework/gluon

Has been blowing up on GitHub recently too (on GitHub Trending the last 2 days), gotten almost 1k stars in last few days. Very open to hear opinions/questions, thanks!