Welcome to the ultimate wiki for learning! If you’re interested in exploring the exciting worlds of CTFs, programming, hacking, OSINT, admin, and networking, then you’ve come to the right place. This wiki contains a handpicked selection of the best online resources to help you learn and hone your skills in these areas. Whether you’re a beginner or an advanced learner, there’s something for everyone here. So, get ready to unleash your inner hacker, expand your knowledge, and take your learning to the next level! If you have a helpful resource to add, just add it to the post! It is a wiki after all 
CTF Platforms (More Here!)
Hack The Box - https://www.hackthebox.eu/
Try Hack Me - https://tryhackme.com/
CTFtime - https://ctftime.org/
PicoCTF - https://picoctf.com/
Root Me - https://www.root-me.org/
Programming Tutorials:
Codecademy - https://www.codecademy.com/
W3Schools - https://www.w3schools.com/
FreeCodeCamp - https://www.freecodecamp.org/
HackerRank - https://www.hackerrank.com/
GeeksforGeeks - https://www.geeksforgeeks.org/
Learn Shell - https://www.learnshell.org/
Learn C - https://www.learn-c.org/
Learn Python - https://www.learnpython.org/
Learn JavaScript - https://www.learn-js.org/
Learn SQL - https://www.learn-sql.org/
Learn Ruby - https://www.learnrubyonline.org/
Learn Perl - https://learn.perl.org/
HTML Dog - https://htmldog.com/
Assembly Language - Guide to x86 Assembly
GitHub Learning Lab - https://lab.github.com/
Udacity - https://www.udacity.com/
Coursera - https://www.coursera.org/
edX - https://www.edx.org/
Khan Academy - https://www.khanacademy.org/
MIT OpenCourseWare - MIT OpenCourseWare | Free Online Course Materials
AND ABOVE ALL: https://stackoverflow.com
Hacking Tutorials:
Metasploit Unleashed - Metasploit Unleashed - Free Online Ethical Hacking Course
OWASP - https://owasp.org/
Nmap - https://nmap.org/
Wireshark - https://www.wireshark.org/
Hack This Site - https://www.hackthissite.org/
Hacker101 - https://www.hacker101.com/
PentesterLab - https://pentesterlab.com/
PortSwigger Web Security Academy - Web Security Academy: Free Online Training from PortSwigger
Hack.me - https://hack.me/
Exploit Database - https://www.exploit-db.com/
Hackersploit - https://hackersploit.org/
Offensive Security - https://www.offensive-security.com/
Infosec Institute - https://www.infosecinstitute.com/
Cybersecurity and Infrastructure Security Agency (CISA) - https://www.cisa.gov/cybersecurity-training-and-exercises
SANS Cyber Aces - https://www.cyberaces.org/
OSINT Sites:
Shodan - https://www.shodan.io/
Maltego - https://www.maltego.com/
The Harvester - GitHub - laramies/theHarvester: E-mails, subdomains and names Harvester - OSINT
SpiderFoot - https://www.spiderfoot.net/
Recon-ng - GitHub - lanmaster53/recon-ng: Open Source Intelligence gathering tool aimed at reducing the time spent harvesting information from open sources.
IntelTechniques - https://inteltechniques.com/
Bellingcat - https://www.bellingcat.com/
The OSINT Curious Project - https://osintcurio.us/
Internet Archive - https://archive.org/
WHOIS Lookup - https://www.whois.com/
Maltego - https://www.maltego.com/
Wayback Machine - Internet Archive: Wayback Machine
Archive.is - https://archive.is/
Pipl - https://pipl.com/
Admin Tutorials:
Linux System Administration - https://www.linuxtrainingacademy.com/linux-system-administration-101/
Windows Server Administration - https://www.microsoft.com/en-us/learning/microsoft-certified-solutions-associate-windows-server-2016.aspx
Cisco Networking Academy - https://www.netacad.com/
CompTIA A+ Certification - A+ (Plus) Certification | CompTIA IT Certifications
Red Hat Certified System Administrator (RHCSA) - Red Hat Certified System Administrator
Linux Documentation Project - https://tldp.org/
Microsoft Virtual Academy - https://mva.microsoft.com/
Linux Academy - https://linuxacademy.com/
TechNet - Microsoft Learn: Build skills that open doors in your career
The Open Group - https://www.opengroup.org/
Amazon Web Services (AWS) Training and Certification - Cloud Computing Training & Classes - Training and Certification - AWS
Google Cloud Training and Certification - https://cloud.google.com/training/
VMware Education - VMware Learning
Oracle University - https://education.oracle.com/
Puppet Learning VM - https://puppet.com/download-learning-vm
Networking Tutorials:
Cisco Networking Academy - https://www.netacad.com/
CompTIA Network+ Certification - Network+ (Plus) Certification | CompTIA IT Certifications
Wireshark University - https://www.wiresharktraining.com/
Juniper Networks - Training and Certification | Juniper Networks US
Pluralsight Networking Courses - https://www.pluralsight.com/browse/networking
Networklessons.com - https://networklessons.com/
The TCP/IP Guide - https://www.tcpipguide.com/
PacketLife.net - https://packetlife.net/
Networking-Forum.com - https://networking-forum.com/
Network Computing - https://www.networkcomputing.com/
We hope this wiki has been a valuable resource for you in your learning journey. Keep in mind that the internet is constantly evolving, so be sure to stay up-to-date with the latest trends and technologies in your field of interest. Remember, learning is a never-ending process, so keep exploring, experimenting, and practicing. With dedication, persistence, and the right resources, you can achieve your goals and excel in your chosen field. Good luck and happy learning!
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