Best ProjectDiscovery Nuclei Alternatives & Competitors in 2026

RoboShadow

Automated vulnerability assessment and remediation platform

RoboShadow Vulnerability Scanner

Vulnerability scanner for internal & external network security assessment

ThreatDown Patch Management

Automated patch management software for fixing software vulnerabilities

Nessus Professional

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

AppCheck Infrastructure Scanner

Infrastructure vulnerability scanner for networks, data centers, and cloud

Halo Security Server Scanning

External server vulnerability scanning for CVEs, patches, and misconfigurations

ConnectSecure Operating System Patching

Automated OS patching for Windows and Mac systems with scheduling

CyNation CyCheck

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

CVE Tools

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

Sec1 GalaxyGuard

CVE database with 350K+ vulnerabilities, zero-day tracking, and AI severity

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

HarfangLab Vulnerability Assessment

Continuous vulnerability detection and prioritization using CVE database

Orpheus Risk-Based Vulnerability Management

Risk-based vuln mgmt platform using ML to prioritize exploited CVEs

Trickest Vulnerability Scanning

Customizable vulnerability scanning platform for infrastructure and applications

Glitchward Lightweight Agent-Based Monitoring

Agent-based server security monitoring with vulnerability and compliance scanning

ConnectSecure

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

Rebasoft Secure Configuration

Checks device config settings against standards to detect misconfigurations

AI EdgeLabs Vulnerability Detection

AI-driven vulnerability detection for hosts, containers, and firmware.

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.

MindPoint Group Vulnerability Mgmt Services

Managed vuln scanning & remediation service covering enterprise IT environments.

Oligo Runtime Vulnerability Mgmt

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

Patrowl

Vulnerability management & pentest platform for SMBs.

Labrador Server Care

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

Konvu Contextual Vulnerability Management

AI-powered vuln triage/remediation platform

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.

DueDLLigence

An open-source tool that automates the detection and analysis of DLL hijacking vulnerabilities in Windows applications, providing detailed reports and remediation guidance.

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.

SecHard Cyber Hygiene Platform

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

XYGATE Aegis Scan

Automated vulnerability scanning for HPE NonStop systems

Halo Security Compliance Reporting

PCI ASV compliance scanning and reporting for merchants

Intruder Cloud Security

Cloud security scanning platform for vulnerability and misconfiguration detection

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

A-LIGN Vulnerability Assessment Service

Vulnerability scanning service for network and application-level assessments

Kaseya Patch Management Software

Automated patch management software for Windows, Mac, and third-party apps.

SecurityScorecard Vulnerability Intelligence

Centralized vulnerability intelligence platform with CVE data and risk scoring

Mondoo CIS Benchmarks & Security Policies

Security policy & compliance framework platform with 300+ CIS benchmarks

AgileBlue Vulnerability Scanning

Continuous vulnerability scanning with asset discovery and real-time alerts

Kratikal AutoSecT

AI-powered pentest & VMDR platform for vulnerability scanning & management

Cyrisma Platform

Unified risk platform for MSPs: ASM, vuln mgmt, data discovery & compliance.

Holm Security Next-Gen VMP

VM platform combining ASM, vuln scanning, and phishing simulation.

InfoSight Mitigator

VMaaS platform unifying cloud, endpoint & OT vuln scans with CVE prioritization.

Titania

Network device vulnerability assessment and config compliance platform.