Beanstalk-lua is a project mainly written in Lua, it's free.
Lua client for beanstalkd
Lua client for transacting with beanstalkd.
client = beanstalk:new("localhost",11300)
client:watch("tube")
while true
job = client:reserve()
print(job:getdata)
end
All code written as part of this project falls under an MIT license, included libraries are licensed as described.