21st Century C by Ben Klemens was a great read. It had a section with an intro to autotools, git, and gdb. There are a few other useful tools that came to mind that I’ve used when working with C and C++ codebases. These tools are a great way to start contributing to Open Source C & C++ codebases; running these tools on the code or adding them to the codebases. A lot of these favor command line, op