Kali Linux is a Debian-based distribution for advanced penetration testing and security auditing.
Alternatives to Pentesterra
Pentesterra brings vulnerability management, attack-surface mapping, breach simulation and controlled exploit validation into one continuous workflow. Its web testing covers modern sites, single-page apps and APIs, while Attack Chain Analysis links findings into attack paths. Deployment options range from SaaS to dedicated PaaS and air-gapped on-premises setups; the free DevGuard plan and paid plans from €23 per month give smaller teams an entry point. The platform also…
OWASP ZAP, now identified as ZAP or ZAP by Checkmarx, is a free, open-source web application scanner and proxy for security testing.
Dradis is a security assessment platform for organizing work from engagement kickoff through collaboration, reporting, remediation, and workflow automation.
- 4
w3af
w3af is a free, open-source web application security scanner for developers and penetration testers assessing web vulnerabilities.
Free planWebAPILinuxmacOS6.8Free plan - 5
Caido
Caido is a web security auditing toolkit built to support manual testing through traffic inspection, automation, AI, and teamwork.
Free planWebAPILinuxmacOS6.6Free plan - 6
PenPeeper
PenPeeper is an open-source penetration testing engagement manager for security professionals.
Free planLinuxmacOSWindows6.5Free plan - 7
PenTest.WS
PenTest.WS is a penetration-testing application for organizing hosts, services, vulnerabilities, and credentials, then documenting results in reports.
WebAPILinuxmacOS6.5From $4.95 a month - 8
RedAmon
RedAmon is a free, open-source framework for automating red-team reconnaissance, exploitation, and post-exploitation operations.
Free planWebAPILinuxmacOS6.5Free plan - 9

Burp Suite DAST
Burp Suite DAST is an automated dynamic web vulnerability scanner built on the scanning engine used in Burp Suite Professional.
WebAPILinuxSelf-hosted6.4 - 10

AttackForge
WebAPILinuxSelf-hosted6.3From $50 a month - 11
Reconmap
Reconmap is an open-source collaboration platform for InfoSec professionals planning, carrying out, and documenting penetration test projects.
Free planWebAPILinuxmacOS6.2Free plan - 12
Revelion
Free planWebLinux6.2From £99 a month - 13
Aircrack-ng
Aircrack-ng is a free suite of command-line tools for assessing Wi-Fi network security.
Free planLinuxmacOSSelf-hostedWindows6.1Free plan - 14
Core Impact
APISelf-hostedWindows6.1From $9,450 a year - 15
Pentographer
Pentographer is an open-source platform for organizing security assessments, including findings, playbooks, evidence, and client reports.
Free planWebAPILinuxSelf-hosted6.1Free plan - 16
Bugcrowd External Attack Surface Management
Bugcrowd External Attack Surface Management, also called Savant Vista, gives teams ongoing visibility into externally reachable assets associated…
Web6.0 - 17
Cairn
WebSelf-hosted6.0From $99 a month - 18

Equixly
Equixly is a paid API and application security platform that uses AI agents to discover, attack, and validate exploitable risks in running systems.
WebAPI6.0€4,999 one-time - 19
BlackArch Linux
BlackArch Linux is an Arch Linux-based penetration testing distribution for penetration testers and security researchers.
Free planLinuxSelf-hosted5.9Free plan - 20
NodeZero
NodeZero is a security platform that autonomously runs penetration tests to find exploitable attack paths, guide remediation, and verify fixes.
WebAPILinuxSelf-hosted5.9 - 21

Offensive360 DAST
Offensive360 DAST dynamically tests live web applications and APIs with a headless browser, more than 40 active exploit checks, and 19 passive analyzers.
WebAPISelf-hosted5.9 - 22
OWASP Security-C4PO
OWASP Security-C4PO is a free, open-source web application for managing and documenting penetration tests.
Free planWebSelf-hosted5.9Free plan - 23

Penti
WebAPISelf-hosted5.9From $20 a month - 24
Ghostwriter
Ghostwriter is an open-source workspace for red teams and consultants to organize security assessments, from client and project details to assets,…
Free planWebAPISelf-hosted5.8Free plan - 25

Faraday
Faraday is a vulnerability and application-security platform that centralizes scanner findings, removes duplicates, and helps teams prioritize issues.
WebAPILinuxSelf-hosted5.7 - 26

Pentera Platform
Pentera Platform validates security controls by emulating attacks, helping teams prioritize demonstrated exposure and support remediation.
WebAPILinuxSelf-hosted5.7 - 27
Wifiphisher
Wifiphisher is a free Linux framework for penetration testers conducting red team engagements or Wi-Fi security testing.
Free planLinuxSelf-hosted5.7Free plan - 28
PENTRA
PENTRA is a penetration testing and vulnerability management platform for internal security teams, pentesters, Blue Teams, SOC analysts,…
WebSelf-hostedWindows5.5 - 29
PlexTrac
WebAPISelf-hosted5.4 - 30
5.4