The Architecture of Open Source Applications The original PDF files came from the below links. Not published by me. The Architecture of Open Source Applications http:https://aosabook.org/en/index.html The Architecture of Open Source Applications Volume 1 and Volume 2 https://github.com/aosabook/aosabook https://github.com/gxcsoccer/PDisk 500 Lines or Less https://github.com/aosabook/500lines https://github.com/strump/500lines-pdf