Swish Concurrency Engine

The Swish Concurrency Engine is a framework used to write fault-tolerant programs with message-passing concurrency. It uses the Chez Scheme programming language and embeds concepts from the Erlang programming language. Swish also provides a web server.

https://github.com/becls/swish

Nice to some od the things built with Chez Scheme open sourced.

What loungramming language is this?