Haskell Haskell is a general purpose, purely functional programming language quite different from most other programming languages. Haskell compilers are freely available for almost any computer.
Dyalog APL Fully compliant with the ISO 8485 standard for APL. For PCs running Microsoft Windows 95, Windows 98, Windows NT and Windows 2000; and for several popular UNIX systems including Linux. Many enhancements and innovative features.
Eiffel Eiffel is a systematic approach to the construction of quality software, including a language, a method, libraries, and development environments.
Python Home page for Python, an interpreted, interactive, object-oriented, extensible programming language. It provides an extraordinary combination of clarity and versatility, and is free and comprehensively ported.
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