http://www.modpython.org/ http://www.modpython.org/ http://www.modruby.net/ http://www.modruby.net/ http://www.modrails.com/ http://www.modrails.com/ Lua is

http://www.modpython.org/ http://www.modpython.org/ http://www.modruby.net/ http://www.modruby.net/ http://www.modrails.com/ http://www.modrails.com/ Lua is easy to add "by default" because its interpreter is tiny and was designed for embedding. The others are too big.