TLC is an explicit state model checker for specifications in TLA+
An extremely fast Python type checker and language server
A small, fast, pure JavaScript type-stripper
A Python 3 implementation built on GraalVM
A suite of RPN calculators and a class library for Object Pascal
Drawing, graphics conversion, software development, administration.
Java byte code compatibility analyser
Zoozle 2008 - 2010 Webpage, Tools and SQL Files
A coding style checker tool support C/C++ syntax