I've used many, Handlebars, Pug, Vue's, Svelte's, Zola's, many. They're all somewhat similar in that they try to recreate loops and conditionals, all without st

I've used many, Handlebars, Pug, Vue's, Svelte's, Zola's, many. They're all somewhat similar in that they try to recreate loops and conditionals, all without strong type support unlike in JSX. I've never used SGML though, another commenter told me that it is more powerful.