JS Nice jsnice.org

a web service guessing JS variables names and types based on the model derived from open source.

Rawsec's CyberSecurity Inventory inventory.raw.pm

An open-source inventory of tools, resources, CTF platforms and Operating Systems about CyberSecurity. (Source)

Intigriti intigriti.com

Europe's #1 ethical hacking and bug bounty program.

Insomni’hack insomnihack.ch

Docker Metasploit hub.docker.com

Arch Linux Penetration Tester hub.docker.com

Official Metasploit hub.docker.com

official Kali Linux hub.docker.com

gitbook hoppersroppers.org

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Hex-Rays hex-rays.com

Hackerone hackerone.com

Hack+ hack.plus

An Intelligent network of bots that fetch the latest InfoSec content.

hack.lu CTF hack.lu

EnCase guidancesoftware.com

The shared technology within a suite of digital investigations products by Guidance Software

Gruyere google-gruyere.appspot.com

Exeinfo PE exeinfo.pe.hu

XORBruteForcer eternal-todo.com

Ghost in the Shellcode ghostintheshellcode.com

IntelMQ enisa.europa.eu

fuzzy.land fuzzy.land

Website by an Austrian group. Lots of challenges taken from CTFs they participated in.

objdump en.wikipedia.org

PSTools docs.microsoft.com

Malware Analysis Tutorials: a Reverse Engineering Approach fumalwareanalysis.blogspot.kr

Process Monitor docs.microsoft.com

Findsubdomains findsubdomains.com

A subdomains discovery tool that collects all possible subdomains from open source internet and validates them through various tools to provide accurate results.

Process Explorer docs.microsoft.com

Exploit Exercises - Nebula exploit-exercises.com

Ransomware overview docs.google.com

Spidermonkey developer.mozilla.org

WinDbg developer.microsoft.com

CSAW CTF ctf.isis.poly.edu

WinDbg developer.microsoft.com

Codegate CTF ctf.codegate.org

Desenmascara.me desenmascara.me

DeepViz deepviz.com

CSP Scanner cspscanner.com

Analyze a site's Content-Security-Policy (CSP) to find bypasses and missing directives.

olevba decalage.info

Immunity Debugger debugger.immunityinc.com

Cymon cymon.io

CybOX - Cyber Observables eXpression cyboxproject.github.io

Cybercrime tracker cybercrime-tracker.net

Crackmes.de crackmes.de

The world first and largest community website for crackmes and reversemes.

Assemblyline cybercentrecanada.github.io

The Cyberclopaedia cr0mll.github.io

The open-source encyclopedia of cybersecurity. GitHub Repository

Corelan Team's Exploit writing tutorial corelan.be

Malware Analysis Search cse.google.com

CodeEngn codeengn.com

(Korean)

Cryptam cryptam.com

Firesheep codebutler.github.io

Free program for HTTP session hijacking attacks.

androguard code.google.com

Reverse engineering, malware and goodware analysis of Android applications