[Forensics](https://github.com/Cugu/awesome-forensics) | List of awesome forensic analysis tools and resources
[Free Programming Books](https://github.com/EbookFoundation/free-programming-books) | Free programming books for developers
[Gray Hacker Resources](https://github.com/bt3gl/Gray-Hacker-Resources) | Useful for CTFs, wargames, pentesting
[GTFOBins](https://gtfobins.github.io) | A curated list of Unix binaries that can be exploited by an attacker to bypass local security restrictions
[Hacker101](https://github.com/Hacker0x01/hacker101) | A free class for web security by HackerOne
[Infosec Getting Started](https://github.com/gradiuscypher/infosec_getting_started) | A collection of resources, documentation, links, etc to help people learn about Infosec
[Infosec Reference](https://github.com/rmusser01/Infosec_Reference) | Information Security Reference That Doesn't Suck