Scala
Combine filters →2 projects are written in Scala, listed alphabetically. They are http4s and Play Framework. All of them web frameworks, most of them open source. 38 records do not record this field, and cannot appear here either way. Counts only projects with momentum; the full list has the rest.
H
http4sScala library for typeful, functional and streaming HTTP servers and clients, built on FS2 and cats-effect.
P
Play FrameworkJava and Scala web framework whose production build is a distribution that runs as a server process, with Twirl templates.
What is the best web software written in Scala?
We can't tell from here. What suits an editor-heavy marketing site can be wrong for a static documentation site. The list is alphabetical and nobody paid for a place on it.