MSWORD

The license isn't really open source. It's more like source available. Non-commercial use only. https://github.com/danielcosta/MSWORD/blob/master/LICENSE says You may use, copy, compile, and create Derivative Works of the software, and run the software and Derivative Works on simulators or hardware solely for non-commercial research, experimentation, and educational purposes. Examples of non-commercial uses are teaching, academic research, public demonstrations, and personal experimentation. “Derivative Works” means modifications to the software, in source code or object code form, made by you pursuant to this agreement. You may copy and refer to any documentation provided as part of the software. You may not distribute or publish the software or Derivative Works. You may not use or test the software to provide a commercial service unless

The original source for WfW 1.1a was open sourced (I realize that doesn't mean there isn't copyright, but it's unlikely to be the reason that there are no pics): https://github.com/danielcosta/MSWORD

All of Microsoft's applications used to do that! The 16-bit versions of Word, Excel, PowerPoint, etc all were implemented using bytecode. That technology was only integrated in Microsoft C and made public in 1992 [1], before that the Microsoft applications group used their own private C toolchain. A copy of it can be found in the Word 1.1 source release [2] ("csl"). [1] https://sandsprite.com/vb-reversing/files/Microsoft%20P-Code... [2] https://github.com/danielcosta/MSWORD