Every programmer needs a rubberduck. COM add-in for the VBA & VB6 IDE (VBE).
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.
Certainly not me
3 projects | reddit.com/r/ProgrammerHumor | 30 Mar 2022
[EXCEL] SQLite C/ADO VBA library with reflection
3 projects | reddit.com/r/vba | 13 Dec 2021
VBA is a Poor Programming Language
1 project | reddit.com/r/vba | 15 Aug 2021
VBA + RubberDuck Question to change names
1 project | reddit.com/r/vba | 26 Jul 2021
extracting vba code to put it on a report
1 project | reddit.com/r/vba | 24 Jun 2021