Diagnose is a portable vector editor designed for drawing various types of diagrams. It supports features common for this type of application: it allows you to draw lines, arrows, rectangles, and polygons, and it allows you to group them together, and so on. Moreover, it allows you to include snippets of the LaTeX code into the diagram. This means that you can use LaTeX to typeset formulas, paragraphs of text, etc.
Schemik is a high-level lexically-scoped implicitly-parallel dialect of Scheme and Common LISP. This means the parallel execution of programs is done independently of the programmer, and each program written in Schemik always produces the same results no matter which parts of the program are executed simultaneously.