Client Libraries

C/C++

Clojure

Common Lisp

Erlang

Go

Haskell

Io

Java

Lua

Nim

Node.js

OCaml

Perl

PHP

Python

Ruby

Ruby EventMachine

Rust

Scheme

Scheme (Chicken)

.NET/C#

Other

Make your own client API. It's easy! The protocol gives a complete description of the beanstalk protocol.