Best Security Scanning tools by public signals

These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.

Use Case Rankings

Ordered by ToolVitals score, health, shipping, confidence, and then adoption as a tie-breaker.

# Tool Health Shipping Openness Stars Score Status
01 Prowler
Prowler is the world’s most widely used open-source cloud security platform that automates security and compliance across any cloud environment.
100 100 OSI-approved OSS 14k 100 Active
02 NetBird
Zero-configuration mesh VPN for business.
100 100 OSI-approved OSS 25.9k 100 Active
03 Akto
Open-source API security platform for discovery, posture, and CI/CD testing.
98 100 OSI-approved OSS 1.5k 99 Active
04 DefectDojo
Open-Source Unified Vulnerability Management, DevSecOps & ASPM
93 100 OSI-approved OSS 4.8k 97 Active
05 CNSpec
Cloud-native security platform for protecting build and runtime environments.
93 100 License unknown 429 96 Active
06 Snyk
Developer-first security platform
93 94 OSI-approved OSS 5.6k 95 Active
07 Kubescape
Kubescape is an open-source Kubernetes security platform for your IDE, CI/CD pipelines, and clusters. It includes risk analysis, security, compliance, and misconfiguration scanning, saving Kubernetes users and administrators precious time, effort, and resources.
93 95 OSI-approved OSS 11.5k 94 Active
08 Prosopo CAPTCHA
Privacy-focused CAPTCHA and bot defense platform.
90 90 OSI-approved OSS 295 93 Active
09 Strix
Open-source AI hackers to find and fix your app’s vulnerabilities.
95 84 OSI-approved OSS 25.9k 92 Active
10 Nuclei
Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.
91 83 OSI-approved OSS 29.1k 91 Active
11 Pentest AI
Autonomous pentesting AI with MCP server and Python agents.
86 93 OSI-approved OSS 767 91 Active
12 Faraday
Open Source Vulnerability Management Platform
85 90 OSI-approved OSS 6.5k 90 Active
13 Panguard AI
Open-source security platform for AI agents with skill audits and threat monitoring.
82 92 OSI-approved OSS 48 90 Active
14 Pipelock
Open-source AI agent firewall for MCP security and egress control.
81 95 OSI-approved OSS 707 90 Active
15 FoxGuard
Security scanner as fast as a linter with TUI triage.
80 95 OSI-approved OSS 266 90 Active
16 OWASP Noir
Hunt every Endpoint in your code, expose Shadow APIs, map the Attack Surface.
85 84 OSI-approved OSS 1.3k 88 Active
17 OSV.dev
Open source vulnerability DB and triage service.
85 80 OSI-approved OSS 2.7k 87 Active
18 Copacetic
🧵 CLI tool for directly patching container images!
89 76 OSI-approved OSS 1.6k 86 Active
19 Dalfox
🌙🦊 Dalfox is a powerful open-source XSS scanner and utility focused on automation.
81 84 OSI-approved OSS 5.1k 86 Active
20 Sigillo
Self-hostable secrets management platform and open-source Doppler alternative.
76 87 License unknown 35 86 Active
21 Trivy
Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more
85 78 OSI-approved OSS 36.4k 85 Active
22 OpenA2A
Open-source security tools for AI agents.
72 87 OSI-approved OSS 19 84 Warning
23 Gravitl
WireGuard virtual networking platform.
81 72 OSI-approved OSS 11.6k 83 Active
24 Pentagi
Fully autonomous AI Agents system capable of performing complex penetration testing tasks
80 78 OSI-approved OSS 17.7k 83 Active
25 MegaLinter
🦙 MegaLinter analyzes 50 languages, 22 formats, 21 tooling formats, excessive copy-pastes, spelling mistakes and security issues in your repository sources with a GitHub Action, other CI tools or locally.
78 78 OSI-approved OSS 2.5k 82 Active
26 Web-Check
🕵️‍♂️ All-in-one OSINT tool for analysing any website
78 70 OSI-approved OSS 33.6k 79 Active
27 Dokuru
Agent-based Docker security audit platform with CIS benchmark compliance and remediation.
66 88 License unknown 9 79 Warning
28 Presidio
An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.
83 53 OSI-approved OSS 8.6k 78 Warning
29 Steampipe
Zero-ETL, infinite possibilities. Live query APIs, code & more with SQL. No DB required.
81 52 OSI-approved OSS 7.8k 76 Warning
30 Clawmoat
Open-source agent firewall to prevent data leaks and dangerous tool use.
67 65 OSI-approved OSS 40 75 Warning
31 Caido
🚀 Caido releases, wiki and roadmap
79 42 License unknown 2.4k 73 Warning
32 powerpipe
Powerpipe: Dashboards for DevOps. Visualize cloud configurations. Assess security posture against a massive library of benchmarks. Build custom dashboards with code.
77 46 OSI-approved OSS 510 73 Warning
33 CloudRec
CloudRec is an open source multi-cloud security posture management (CSPM) platform designed to help organizations improve the security of their cloud environments.
72 52 OSI-approved OSS 184 71 Warning
34 Secutils
Open source security toolbox for engineers and researchers.
62 63 OSI-approved OSS 100 70 Warning
35 vulnerability-spoiler-alert
A monitoring hub that watches popular open-source repositories and uses AI to detect when commits ar
64 63 OSI-approved OSS 139 69 Warning
36 ExtensionShield
Chrome extension risk scanner — scan Chrome Web Store links or CRX/ZIP builds and generate evidence-based security/privacy reports. Open-core.
74 41 OSI-approved OSS 90 68 Warning
37 Gitleaks
Find secrets with Gitleaks 🔑
67 45 OSI-approved OSS 27.7k 68 Warning
38 Mixeway
Repository containing source code of MixewayFlow service that is Swiss army knife for DevSecOps Teams
65 48 License unknown 82 65 Warning
39 Nettacker
Automated Penetration Testing Framework - Open-Source Vulnerability Scanner - Vulnerability Management
74 30 OSI-approved OSS 5.2k 64 Warning
40 PayloadsAllTheThings
A list of useful payloads and bypass for Web Application Security and Pentest/CTF
73 14 OSI-approved OSS 78.4k 59 Warning
41 Redlyne
Detect and patch vulnerabilities in AI-generated Python code.
49 46 OSI-approved OSS 37 59 Warning
42 Xingrin
Open-source attack surface management and authorized security automation platform for asset discovery, service probing, scan orchestration, and security result management.
68 25 OSI-approved OSS 566 58 Warning
43 OpenAnt
Open-source LLM-based vulnerability discovery product for defenders.
68 21 OSI-approved OSS 592 58 Warning
44 Deepfence ThreatMapper
Open source cloud native application protection platform.
58 16 OSI-approved OSS 5.3k 54 Warning
45 Lynis
Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.
51 35 OSI-approved OSS 15.8k 54 Warning
46 VMC
Open source vulnerability management platform.
49 39 OSI-approved OSS 93 54 Critical
47 SecScore
Security scoring engine for CI/CD pipelines.
44 24 License unknown 8 51 Critical
48 OpenClarity
Open-source platform for cloud-native security and observability.
51 0 OSI-approved OSS 1.5k 42 Warning
49 ShieldPilot
Open-source security platform for AI coding agents.
41 7 OSI-approved OSS 1 41 Critical
50 Envy CLI
Open-source CLI for secret injection and management.
38 11 License unknown 7 41 Critical
51 Atlas CSMP
Open-source cloud security posture management tool for AWS infrastructure.
33 0 License unknown 1 37 Critical
52 RFSec-ToolKit
RFSec-ToolKit is a collection of Radio Frequency Communication Protocol Hacktools.无线通信协议相关的工具集,可借助SDR硬件+相关工具对无线通信进行研究。Collect with ♥ by HackSmith
31 0 License unknown 1.7k 33 Critical
53 Agentic Radar
Security scanner for LLM agent workflows.
28 0 OSI-approved OSS 978 33 Critical
54 Matano
Cloud-native security lake platform for threat hunting.
27 0 OSI-approved OSS 1.7k 33 Critical
55 NodeJSSCAN
Static security scanner for Node.js applications.
31 0 OSI-approved OSS 2.6k 32 Critical
56 Metlo
Metlo is an open-source API security platform.
31 0 OSI-approved OSS 1.8k 31 Critical
57 Selefra
Policy-as-code tool for analytics and auditing across cloud and SaaS environments.
28 0 OSI-approved OSS 545 31 Critical
58 CodeAnalysis
Static code analysis platform.
27 0 OSI-approved OSS 1.8k 30 Critical
59 OSINT UI
Professional open source intelligence platform.
26 0 License unknown 17 29 Critical
60 AgentFence
Open-source platform for testing AI agent security.
26 0 OSI-approved OSS 55 28 Critical

Evidence Watch

Tracked tools with useful public signals but no verdict score yet.