Following are some valuable resources and blog posts that I found useful/inspiring. This is an evolving list.
Gitbooks
Repos
Blogs
The Mac Malware of 2021 (https://objective-see.com/blog/blog_0x6B.html)
My OSCP Journey! (https://medium.com/pentesternepal/my-oscp-journey-70f1bab4d8f6)