I see. I would not consider these to be serious projects.
I'm sure they give people joy, and contain some decent problem solving, but they are both small extensions to existing software, and are not really solving interesting new problems or creating their own systems.
The size of the project is not what matters. It's the systems it includes and how complex they are.
Actually, that raises a question: are the more complex systems in this collection of projects vibecoded or programmed by a human? Which parts are you aware of that invlude LLM output?
The two I was thinking of when I posted are the Minecraft modpack GregTech: New Horizons, and an Old School Runescape plugin.
https://github.com/gtnewhorizons
https://github.com/osrs-reldo/tasks-tracker-plugin