Gauche is a Scheme engine conforming Revised^5 Report on
Algorithmic Language Scheme. It is designed for rapid development
of daily tools like system management and text processing.
It can handle multibyte character strings natively.

GNU Cobol (formerly OpenCOBOL) is a free COBOL compiler. cobc translates COBOL to executable using intermediate C sources, providing full access to nearly all C libraries.

Io is a prototype-based programming language inspired by Smalltalk (all values are objects, all messages are dynamic), Self (prototype-based), NewtonScript (differential inheritance), Act1 (actors and futures for concurrency), LISP (code is a runtime inspectable/modifiable tree) and Lua (small, embeddable).

This package is based on the package 'smalltalk' from project 'openSUSE:Factory'.

GNU Smalltalk is an implementation that closely follows the
Smalltalk-80 language as described in the book `Smalltalk-80: the
Language and its Implementation' by Adele Goldberg and David Robson.

For a complete explanation of Smalltalk there is a very nice tutorial.
Try the command: "info gst".

IronPython is an open-source implementation of the Python programming language which is tightly integrated with the .NET Framework. IronPython can use the .NET Framework and Python libraries, and other .NET languages can use Python code just as easily.