A comprehensive list of the tools that I use as part of my cybersecurity toolkit.

OSINT

Spiderfoot OSINT
Shodan
Maltego
TheHarvester

Red Team

Scanning Tools

Masscan
Cewl
OpenVAS
Zmap

Web Application Analysis

Burp Suite
Nikto
SQL Map
OWASP ZAP
WPScan

Network Penetration Testing

Nmap
Wireshark
Netcat
Hydra
Nessus
John the Ripper
Metasploit
Tcpdump

Wireless Penetration Testing

WiFite
Aircrack-ng
Kismet

Cloud Security Testing

Scout Suite
Pacu
CloudSploit
Cloud Security Suite
AWS Security Toolkit

Social Engineering Tools

GoPhish
Social-Engineer Toolkit (SET)
King Phisher

Blue Team

Data Visualization and Logging

Splunk
ELK Stack (Elasticsearch, Logstash, Kibana)
Graylog
Grafana

Endpoint Monitoring

VMWare Carbon Black
Velociraptor
- Within velociraptor, Artifact collection and deployment is super powerful.
OSSEC
CrowdStrike Falcon

Network Monitoring

Corelight
Zeek
Wireshark

Malware Analysis

Mr. Majestic
Yara
Cuckoo Sandbox
Ghidra

Forensics

Volatility (Used for memory forensics)
Regshot (Registry Forensics)
Autopsy
FTK Imager
binwalk
exiftool

Incident Response

MISP (threat intelligence and sharing platform)
TheHive (scalable 4-in-1 open source platform designed to make life easier for SOCs, CSIRTs, CERTs and any information security practitioner dealing with security incidents)

Security Orchestration, Automation, and Response (SOAR)

Demisto
Swimlane
Siemplify

Security Information and Event Management (SIEM)

QRadar
LogRhythm
AlienVault OSSIM

Threat Intelligence

ThreatConnect
Anomali ThreatStream
Recorded Future

Vulnerability Management

OpenVAS
Nessus
Nexpose

Security Configuration Management

Ansible
Chef
Puppet

Firewall and IDS/IPS

pfSense
Snort
Suricata

Password Cracking

Hashcat
John the Ripper

Digital Forensics

SIFT Workstation
GRR (Google Rapid Response)

Network Traffic Analysis

Moloch
Zeek (formerly Bro)