More than 100K resources on various topics. Starting from books on programming, ending with various blogs of software developers.
https://github.com/sindresorhus/awesome
https://twitter.com/awesome__re
A huge amount of resources on the topic of searching and collecting information from open sources.
https://github.com/jivoi/awesome-osint
Information security, forensics, cryptography, CTF, etc.
https://github.com/carpedm20/awesome-hacking https://t.me/hackingtipp
List of Honeypots (Traps for hackers). Manuals, tools, instructions, etc.
https://github.com/paralax/awesome-honeypots
List of tools and resources for malware analysis.
https://github.com/rshipp/awesome-malware-analysis
List of frameworks, libraries, software, and resources related to Python.
https://github.com/vinta/awesome-python
List of various PHP libraries, resources and cheat sheets.
https://github.com/ziadoz/awesome-php
List of CTFs, libraries, resources, software, and tutorials.
https://github.com/apsdehal/awesome-ctf
A collection of resources related to Android + software security and various guides.
https://github.com/ashishb/android-security-awesome
https://github.com/JStumpp/awesome-android
Security of web applications. XSS, CSV and SQL Injection, ClickJacking, and hundreds more.
https://github.com/qazbnm456/awesome-web-security
List of the best Windows apps and tools.
https://github.com/Awesome-Windows/Awesome
List of applications and tools for Linux.
https://github.com/aleksandar-todorovic/awesome-linux
A collection of Raspberry Pi tools, projects, and resources.
https://github.com/thibmaek/awesome-raspberry-pi
A collection of pentesting resources, from tools to books.
https://github.com/enaqx/awesome-pentest