Trimalyzer is a general purpose BLM/INT trim analyzer for antique GM ECMs (and perhaps others).
It’s currently in beta stages, check back frequently for updates.
You can see the current change log in the source tree here.
The following version is for Windows, 32 or 64 bit, newer than windows 7 only.
It’s written in C++ with QT. It should build on any platform that QT5.6+ supports.
Current source code is available here on Github: https://github.com/resfilter/trimalyzer