Io comes with Actors built-in - http://iolanguage.org/scm/io/docs/IoGuide.html#Concurrency-Actors http://iolanguage.org/scm/io/docs/IoGuide.html#Concurrency-A..

Io comes with Actors built-in - http://iolanguage.org/scm/io/docs/IoGuide.html#Concurrency-Actors http://iolanguage.org/scm/io/docs/IoGuide.html#Concurrency-A... Perl has an experimental Actor model library threads::lite - https://metacpan.org/pod/threads::lite https://metacpan.org/pod/threads::lite