I'm sorry... My only thought is "yet another JVM language that I won't ever get to use". Because if I have a project that is new, I'm using Ruby until I need a clojure/go back-end or something. If I have an old project in java, I doubt I'll adopt a new language. Hell it's already hard enough to get people to use Scala, and it has tons of benefits over vanilla Java.
Clojure, Scala, Klotlin, Groovy, JRuby, and now Gosu... I don't know... I'd love to at least see these sites compare themselves to other languages. Like why Gosu vs Klotlin when Klotlin was already worked on by JetBrains and afaik used for the development of their IDEs...
Yeah, the JVM alternative language space is pretty crowded. Gosu does have a few advantages, though.
One big one is that it is in commercial use at many of the largest companies in the world thanks to its Guidewire heritage. That means that it is going to be continually developed and that its success isn't dependent on immediate uptake.
Another is that most other alternative JVM languages are either dynamic or more complicated than Java, whereas Gosu is still statically typed but is (arguably) simpler than Java in many ways.
But, yes, it's a crowded space and I can understand skepticism.
> Clojure, Scala, Klotlin, Groovy, JRuby, and now Gosu
Gosu is older than those others, except JRuby. That should be Kotlin without an L. And you left out Jython, and Ceylon from JBoss. The recent Nashorn from Oracle will probably take over from Rhino, which you also omitted, and maybe from one or two other JVM languages. Then there's Beanshell, the original "inspiration" for Groovy.
Clojure, Scala, Klotlin, Groovy, JRuby, and now Gosu... I don't know... I'd love to at least see these sites compare themselves to other languages. Like why Gosu vs Klotlin when Klotlin was already worked on by JetBrains and afaik used for the development of their IDEs...