Here are several examples of transpiled languages and their best representative web applications…
Clojure is a dialect of Lisp (commonly regarded as the grandfather of functional programming, or FP, languages) that runs atop the JVM. It also has a clean and elegant syntax. ClojureScript gives Clojure a strong web presence.
Go is a concurrent programming language with a simple syntax and a minimalist, orthogonal and powerful feature set. Despite its controversial nature, it has recently become very popular. GopherJS lets you use this marvelous language for front-end web development. I strongly encourage you to install GopherJS and run the following web app to see how easy it is: