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, then health, shipping, confidence, GitHub stars, and name.

#ToolHealthShippingOpennessStarsScoreStatus
01Akto
Open-source API security platform for discovery, posture, and CI/CD testing.
9798OSI-approved OSS1.5k97Active
02Snyk
Developer-first security platform
9797OSI-approved OSS5.7k97Active
03DefectDojo
Open-Source Unified Vulnerability Management, DevSecOps & ASPM
9797OSI-approved OSS5.2k97Active
04Prowler
Prowler is the world’s most widely used open-source cloud security platform that automates security and compliance across any cloud environment.
9796OSI-approved OSS15.1k96Active
05Kubescape
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.
9796OSI-approved OSS11.8k96Active
06Strix
Open-source AI hackers to find and fix your app’s vulnerabilities.
9695OSI-approved OSS72.7k96Active
07Prosopo CAPTCHA
Privacy-focused CAPTCHA and bot defense platform.
9596OSI-approved OSS30595Active
08Trivy
Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more
9593OSI-approved OSS38.8k94Active
09Nuclei
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.
9593OSI-approved OSS32.5k94Active
10Dalfox
🌙🦊 Dalfox is a powerful open-source XSS scanner and utility focused on automation.
9593OSI-approved OSS5.3k94Active
11OSV.dev
Open source vulnerability DB and triage service.
9593OSI-approved OSS3k94Active
12MegaLinter
🦙 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.
9593OSI-approved OSS2.6k94Active
13sqlmap
Automatic SQL injection and database takeover tool
9494OSI-approved OSS38.8k94Active
14OWASP Noir
Hunt every Endpoint in your code, expose Shadow APIs, map the Attack Surface.
9394OSI-approved OSS1.5k93Active
15Faraday
Open Source Vulnerability Management Platform
9393OSI-approved OSS6.8k93Active
16lopper
measure dependency waste and attack surface before it ships
9294OSI-approved OSS293Active
17Web-Check
🕵️‍♂️ All-in-one OSINT tool for analysing any website
9391OSI-approved OSS35.3k92Active
18OpenA2A
Open-source security tools for AI agents.
9191OSI-approved OSS2291Active
19OpenAnt
Open-source LLM-based vulnerability discovery product for defenders.
8885OSI-approved OSS78987Active
20Pentagi
Fully autonomous AI Agents system capable of performing complex penetration testing tasks
8479OSI-approved OSS32.7k82Active
21Steampipe
Zero-ETL, infinite possibilities. Live query APIs, code & more with SQL. No DB required.
8477OSI-approved OSS8k82Active
22Presidio
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.
8675OSI-approved OSS11.6k81Active
23Nettacker
Automated Penetration Testing Framework - Open-Source Vulnerability Scanner - Vulnerability Management
8370OSI-approved OSS5.7k78Active
24FoxGuard
Security scanner as fast as a linter with TUI triage.
8172OSI-approved OSS30678Active
25powerpipe
Powerpipe: Dashboards for DevOps. Visualize cloud configurations. Assess security posture against a massive library of benchmarks. Build custom dashboards with code.
8071OSI-approved OSS52476Active
26Pentest AI
Autonomous pentesting AI with MCP server and Python agents.
6864OSI-approved OSS1.8k66Warning
27CloudRec
CloudRec is an open source multi-cloud security posture management (CSPM) platform designed to help organizations improve the security of their cloud environments.
6251OSI-approved OSS19558Warning
28Copacetic
🧵 CLI tool for directly patching container images!
6840OSI-approved OSS1.7k57Warning
29Lynis
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.
5535OSI-approved OSS16.6k47Warning
30Gitleaks
Find secrets with Gitleaks 🔑
5529OSI-approved OSS30.5k45Warning
31vulnerability-spoiler-alert
A monitoring hub that watches popular open-source repositories and uses AI to detect when commits ar
4635OSI-approved OSS16242Critical
32PayloadsAllTheThings
A list of useful payloads and bypass for Web Application Security and Pentest/CTF
5221OSI-approved OSS82.2k40Warning
33Xingrin
Open-source attack surface management and authorized security automation platform for asset discovery, service probing, scan orchestration, and security result management.
4216OSI-approved OSS67031Critical
34ExtensionShield
Chrome extension risk scanner — scan Chrome Web Store links or CRX/ZIP builds and generate evidence-based security/privacy reports. Open-core.
3219OSI-approved OSS10527Critical
35AgentFence
Open-source platform for testing AI agent security.
2913OSI-approved OSS6023Critical
36Dokuru
Agent-based Docker security audit platform with CIS benchmark compliance and remediation.
2515OSI-approved OSS821Critical
37Redlyne
Detect and patch vulnerabilities in AI-generated Python code.
183OSI-approved OSS4012Critical
38Lodestar Forge
Open-source infrastructure management platform crafted for red team engagements.
160OSI-approved OSS11110Critical
39Deepfence ThreatMapper
Open source cloud native application protection platform.
122OSI-approved OSS5.3k8Critical

Not Scored

Tracked for context, but excluded from rankings because comparable open/source-visible evidence is unavailable.

Atlas CSMP

Open-source cloud security posture management tool for AWS infrastructure.

ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.

Caido

🚀 Caido releases, wiki and roadmap

ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.

CNSpec

Cloud-native security platform for protecting build and runtime environments.

ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.

LunaTrace

Dependency vulnerability scanner and SBOM inventory.

ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.

Mixeway

Repository containing source code of MixewayFlow service that is Swiss army knife for DevSecOps Teams

ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.

OSINT UI

Professional open source intelligence platform.

ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.

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

ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.

SecScore

Security scoring engine for CI/CD pipelines.

ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.