Top picks: crt.sh, Findomain, Amass — plus 45 more compared.
Attack Surfaceassetfinder is a free External Attack Surface Management tool. Security professionals most commonly compare it with . All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to assetfinder, including their key features and shared capabilities.
Bash script for subdomain enumeration via crt.sh certificate transparency logs.
Shares 4 capabilities with assetfinder: Enumeration, Reconnaissance, Network Reconnaissance, Subdomain Enumeration
A domain reconnaissance tool that automates subdomain discovery, port scanning, and monitoring with support for multiple data sources and notification integrations.
Shares 3 capabilities with assetfinder: Reconnaissance, Network Reconnaissance, Subdomain Enumeration
Amass is an open-source OWASP tool for comprehensive attack surface mapping and asset discovery through domain reconnaissance and subdomain enumeration.
Shares 3 capabilities with assetfinder: Reconnaissance, Network Reconnaissance, Subdomain Enumeration
A script to extract subdomains/emails for a given domain using SSL/TLS certificate dataset on Censys.
Shares 3 capabilities with assetfinder: Enumeration, Reconnaissance, Subdomain Enumeration
A Python-based tool for external attack surface discovery and reconnaissance across large-scale networks, focusing on IP address and subdomain enumeration.
Shares 3 capabilities with assetfinder: Enumeration, Reconnaissance, Subdomain Enumeration
AI-powered EASM platform for digital asset discovery and monitoring.
Cloud_enum is a multi-cloud OSINT tool that enumerates publicly accessible resources across AWS, Azure, and Google Cloud platforms for security assessment purposes.
An automation framework that runs multiple open-source subdomain bruteforcing tools in parallel using Docker Compose and custom wordlists.
Bash script for subdomain enumeration via crt.sh certificate transparency logs.
A domain reconnaissance tool that automates subdomain discovery, port scanning, and monitoring with support for multiple data sources and notification integrations.
Amass is an open-source OWASP tool for comprehensive attack surface mapping and asset discovery through domain reconnaissance and subdomain enumeration.
A script to extract subdomains/emails for a given domain using SSL/TLS certificate dataset on Censys.
A Python-based tool for external attack surface discovery and reconnaissance across large-scale networks, focusing on IP address and subdomain enumeration.
AI-powered EASM platform for digital asset discovery and monitoring.
Cloud_enum is a multi-cloud OSINT tool that enumerates publicly accessible resources across AWS, Azure, and Google Cloud platforms for security assessment purposes.
An automation framework that runs multiple open-source subdomain bruteforcing tools in parallel using Docker Compose and custom wordlists.
A subdomain scan tool that helps you find subdomains of a given domain.
An information gathering tool for DNS, subdomains, ports, and directories enumeration.
CloudScraper is an enumeration tool that discovers cloud storage resources including S3 buckets, Azure blobs, and DigitalOcean Spaces across target environments.
A Chrome extension that automatically detects and lists Amazon S3 buckets while browsing websites.
A tool for enumerating and analyzing Amazon S3 buckets associated with specific targets to identify potential security misconfigurations.
Internet intelligence platform for asset discovery and attack surface mapping
Automated ASM tool for multi-cloud environments with continuous asset discovery
Active attack surface mgmt solution for discovering & remediating unknown risks
Platform for external attack surface management and application security testing
Monitors internet-facing subdomains for vulnerabilities and misconfigurations
Discovers and inventories internet-facing assets including subdomains, IPs, and apps.
Attack surface management platform for discovering and securing exposed assets
ASM platform that scans external attack surfaces hourly for vulnerabilities
Continuous external attack surface discovery and asset validation service
Automated digital asset discovery and monitoring for external attack surface
External attack surface mapping service to discover exposed digital assets
External attack surface scanning for MSPs to identify vulnerabilities
OSINT tool for mapping & monitoring risk ecosystems on Clear & Deep Web.
Continuous external asset discovery and monitoring with daily domain scans.
Maps external attack surface including assets, dark web exposure, and leaks.
Passive pre-sale domain diagnostic tool for vCISOs, MSPs & MSSPs.
ASM platform for continuous discovery and risk validation of internet-exposed assets.
Agentless EASM platform for asset discovery, exposure mgmt & risk reduction.
ZoomEye is an advanced cyberspace search engine that provides detailed information on cyberspace assets, including server software and version information, for cybersecurity experts, researchers, and enterprises.
FestIn discovers open S3 buckets associated with a domain using crawling and DNS reconnaissance techniques.
Explore the top million websites, ranked by referring subnets, and gain insights into online influence and popularity.
WiGLE.net is a platform that collects and provides data on WiFi networks and cell towers, with over 1.3 billion networks collected.
FullHunt is a next-generation attack surface security platform that enables companies to discover, monitor, and secure their external attack surfaces.
A technology lookup and lead generation tool that identifies the technology stack of any website and provides features for market research, competitor analysis, and data enrichment.
A source code search engine for searching alphanumeric snippets, signatures, or keywords in web page HTML, JS, and CSS code.
Automate your reconnaissance process with AttackSurfaceMapper, a tool for mapping and analyzing network attack surfaces.
A Go-based tool for discovering and inventorying internet-facing AWS assets across single or multiple accounts to help maintain comprehensive cloud attack surface visibility.
An easy-to-use and lightweight API wrapper for Censys APIs with support for Python 3.8+.
Python utility for testing the existence of domain names under different TLDs to find malicious subdomains.
A multi-cloud DNS security tool that detects dangling DNS records and potential subdomain takeover vulnerabilities by scanning cloud infrastructure and DNS zones.
A black-box reconnaissance tool that discovers cloud infrastructure, files, and applications across major cloud providers for security testing purposes.
A Ruby-based tool that enumerates all public IPv4 and IPv6 addresses associated with an AWS account across multiple services including EC2, CloudFront, ELB, RDS, and others.
A powerful enumeration tool for discovering assets and subdomains.
A tool for performing subdomain enumeration using Censys API
Common questions security professionals ask when evaluating alternatives and competitors to assetfinder.
The most popular alternatives to assetfinder include crt.sh, Findomain, Amass, censys-enumeration, and ScanCannon. These External Attack Surface Management tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
