- https://github.com/rochus-keller/Smalltalk/ https://github.com/rochus-keller/Smalltalk/ Parser, code model, interpreter and navigable browser for the original

- https://github.com/rochus-keller/Smalltalk/ https://github.com/rochus-keller/Smalltalk/ Parser, code model, interpreter and navigable browser for the original Xerox Smalltalk-80 v2 sources and virtual image file - https://github.com/rochus-keller/Som/ https://github.com/rochus-keller/Som/ Parser, code model, navigable browser and VM for the SOM Smalltalk dialect - https://github.com/rochus-keller/Simula https://github.com/rochus-keller/Simula A Simula 67 parser written in C++ and Qt - https://github.com/rochus-keller/Algol60 https://github.com/rochus-keller/Algol60 A parser and code editor with syntax coloring for Algol 60 written in Qt > do you regret those endeavours? No, not in any way; the projects were very entertaining and gave me valuable insights.