Although it doesn't directly answer your question, you might be interested in "The Architecture of Open Source Applications": https://www.aosabook.org https://

Although it doesn't directly answer your question, you might be interested in "The Architecture of Open Source Applications": https://www.aosabook.org https://www.aosabook.org The chapters are written by the developers of the respective software projects, so you may want to bear in mind that there could be both insider developer insights and also potentially some authorship bias.