Python is a programming language that lets you work more quickly and integrate your systems more effectively.
newLISP is a Lisp-like, general-purpose scripting language. It is especially well-suited for applications in AI, web search, natural language processing, and machine learning. Because of its small resource requirements, newLISP is also excellent for embedded systems applications. Most of the functions you will ever need are already built in. This includes networking functions, support for distributed and parallel processing, and Bayesian statistics.
Parser is a simple and convenient object-oriented language, which allows creating good sites in short time. It is a little more complicated than HTML, but requires no special programming skills. Parser was started in Art. Lebedev studio in 1997. Nowadays, most of sites created by Art. Lebedev studio are made with Parser.