Easily compare how the call trees and functions have changed between any two versions of openSSL over the last 10 years.
Making sense of GIT source code
Making a functional decomposition architecture of the source for GIT helps me understand code that is new to me much better while also making an upcoming deeper analysis more organized, clear, and concise.
Analyzing Boost on Linux, a remarkable story to learn.
A walkthrough on how to analyze a complex open-source project, the Boost library