pattern-matching topic
rascal
The implementation of the Rascal meta-programming language (including interpreter, type checker, parser generator, compiler and JVM based run-time system)
lispy
Learning with Peter Norvig's lis.py interpreter
tiny-glob
Super tiny and ~350% faster alternative to node-glob
actor-framework
An Open Source Implementation of the Actor Model in C++
egison
The Egison Programming Language
MLStyle.jl
Julia functional programming infrastructures and metaprogramming facilities
zeronode
Zeronode - minimal building block for NodeJS microservices
logstash-filter-grok
Grok plugin to parse unstructured (log) data into something structured.
pampy.js
Pampy.js: Pattern Matching for JavaScript
defun
A macro to define clojure functions with parameter pattern matching just like erlang or elixir.