Electron BrowserView

 

https://www.infoq.com/news/2017/11/slack-browser-view-3/

https://slack.engineering/growing-pains-migrating-slacks-desktop-app-to-browserview/

https://www.figma.com/blog/building-a-professional-design-tool-on-the-web/

https://www.figma.com/blog/introducing-browserview-for-electron/

https://runkit.com/home#embed

https://www.assemblyscript.org/introduction.html