Mops is a full-featured, object-oriented stand-alone programming language for Mac OS X. Its interactive development environment provides for fluid and productive programming by allowing quick testing and modification of small code segments.
A repository of open-source code written in the HLA (High-Level Assembler) Language including demos, applications, utilities, and code snippets.
ICI is a general purpose interpretive programming language that has dynamic typing and flexible data types with the flow control constructs and operators of C.
ENIAC: Electrical Network Interactive Analysis Console. Educational software originally made for the study and simulation of electrical LTI circuits, but which supply also a lot of mathematics computations, like complex, polynomial and matrix operations.
Susie (Scripting Using a Smalltalk Interpreter Engine) is an attempt to provide a light weight scripting engine using Smalltalk as the language. it is based on Public Domain SmallTalk (PDST).