Best DueDLLigence Alternatives & Competitors in 2026

ProjectDiscovery Nuclei

Vulnerability scanner using templates to scan apps, cloud, and networks

ConnectSecure Operating System Patching

Automated OS patching for Windows and Mac systems with scheduling

Labrador Server Care

Periodically scans servers for open source SW vulnerabilities and license issues.

Audit Square FREE

Free Windows 10/11 security audit tool that generates a PDF report.

Avira Software Updater for Windows

Software updater that patches security flaws in Windows & third-party apps

Sec1 WPFort WordPress Security Scanner

WordPress vulnerability scanner that detects security issues and malware

SecPod Saner Patch Management

Automated patch management solution for enterprise systems

Halo Security Server Scanning

External server vulnerability scanning for CVEs, patches, and misconfigurations

Halo Security Compliance Reporting

PCI ASV compliance scanning and reporting for merchants

Greenbone OPENVAS SCAN

Vulnerability scanning appliance for IT infrastructure attack surface reduction

Greenbone OPENVAS AI

AI assistant that transforms OpenVAS scans into prioritized remediation plans

Iru Vulnerability Management

Vulnerability management platform for Mac and Windows with automated patching

A-LIGN Vulnerability Assessment Service

Vulnerability scanning service for network and application-level assessments

ThreatDown Patch Management

Automated patch management software for fixing software vulnerabilities

CONNECTWISE RMM Automated patch management software

Automated patch management for OS and third-party apps across endpoints

ConnectSecure

Multi-tenant vulnerability mgmt platform for MSPs with scanning & compliance

Action1 Free Initial Vulnerability Assessment

Free vulnerability assessment for unlimited endpoints with patching capabilities

Action1 Windows Patch Management

Cloud-based patch management for Windows, macOS, and Linux endpoints

Rebasoft Secure Configuration

Checks device config settings against standards to detect misconfigurations

CyberSmart Active Protect

Desktop app for vuln scanning, policy mgmt & security awareness training.

CyNation CyCheck

Automated vuln assessment tool for web apps, networks & cloud infra.

Guardian360 Vulnerability Scanners

Continuous IT vulnerability scanning platform with daily security updates.

Holm Security VMP

Next-Gen VM platform for vulnerability mgmt and attack surface management.

Oligo Runtime Vulnerability Mgmt

Runtime tool that identifies truly exploitable open-source vulns in production.

Patrowl

Vulnerability management & pentest platform for SMBs.

Nessus Professional

Vulnerability scanner for assessing networks, systems, and apps for security flaws.

CyberScope Edge

Handheld hardware device for on-site network vulnerability scanning.

Backline

AI agent platform automating vuln interpretation, prioritization, fixing & validation.

Nsauditor Network Security Auditor

Windows suite for network security auditing, vuln scanning, and IT mgmt.

Lyrie AI-Powered Vulnerability Scanner

Dual-engine AI vuln scanner with 5 scan depth modes and autonomous AI pentesting.

Deepwatch Vulnerability Management

Managed end-to-end vulnerability management service with risk-based remediation.

Positive Technologies XSpider PRO

Russian vulnerability scanner for SMB infra up to 500 hosts, black/white box.

Redinent Vulnerability Intelligence (XIOT)

IoT-focused vulnerability intelligence and risk mgmt platform with CVE/CWE assessment.

Webray RayScan

Integrated vulnerability scanner covering system, web, DB, baseline, and weak passwords.

OpenVAS

OpenVAS is an open-source vulnerability scanner that provides extensive testing capabilities for identifying security weaknesses in networks and systems.

CloudJack

Assesses AWS accounts for subdomain hijacking via Route53/CloudFront

Aqua Trivy

Open source vulnerability & IaC scanner for containers & cloud native apps

CVE Tools

AI-powered CVE intelligence platform with exploit data, EPSS, and ATT&CK mappings.

Windows Exploit Suggester

Compares target's patch levels against Microsoft vulnerability database and detects missing patches.

CVE Ape

CVE Ape is an open source tool that creates a local CVE database from the National Vulnerability Database for offline vulnerability searching by package name, vendor, or OS components.

Ansible Collection - devsec.hardening

A collection of Ansible roles for hardening various systems and services

MetaHub

MetaHub is an open-source vulnerability management tool that provides impact-contextual analysis of security findings in AWS environments through automated contextualization, ownership identification, and prioritization scoring.

Git-Vuln-Finder

A tool that uses NLP and ML to identify potential software vulnerabilities from git commit messages

aemscan

A tool for scanning Adobe Experience Manager instances for potential security vulnerabilities

RoboShadow

Automated vulnerability assessment and remediation platform

SecHard Cyber Hygiene Platform

Unified cyber hygiene platform for hardening, PAM, asset mgmt & vuln assessment

Faraday All-in-One

All-in-one platform for vuln mgmt, red team ops, and attack surface mgmt