If you write AutoLisp, or maybe, just collect AutoLisp, as a semi pro. or pro., you will see your source code stacking up hundreds of function after some years. This app will help you to have a bird eyes view on your app source code:

It is still under development. Many thing to do until the editing, publishing commands can be done.
But a nice feature command is Export To HTML Page. You can have your whole project with multiple files exported to one html web page, like this one:
7cad Lisp or this one My Old Lisps

You can download and use the app here for free for now: Download from OneDrive
<!> Note that the app is Digitally Signed.
Download, unzip the app's folder, then you can run the 7cad AutoLisp Source Code Map.exe from inside, like this:
