# Assetnote ASM vs OWASP Amass: side-by-side comparison (2026) [Assetnote ASM](https://cybersectools.com/tools/assetnote-asm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Assetnote](https://cybersectools.com/companies/assetnote). [OWASP Amass](https://cybersectools.com/tools/owasp-amass) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Google Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | Assetnote ASM | OWASP Amass | |---|---|---| | Pricing model | Commercial | Free | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | – | 14,260 | | Last commit | – | Sep 2025 | | Company | Assetnote | – | | Headquarters | – | – | ### Use cases and capabilities | | Assetnote ASM | OWASP Amass | |---|---|---| | Security Scanning | Yes | – | | Network Mapping | – | Yes | | OSINT | – | Yes | ### Core features **Assetnote ASM** 10 features listed. Sign in on the page to see them. **OWASP Amass** No features listed. ### Integrations **Assetnote ASM** 2 integrations listed. Sign in on the page to see them. **OWASP Amass** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Assetnote ASM](https://cybersectools.com/tools/assetnote-asm) fits if you want a cloud product. - [OWASP Amass](https://cybersectools.com/tools/owasp-amass) fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product. ## Assetnote ASM vs OWASP Amass FAQ Common questions when comparing Assetnote ASM vs OWASP Amass for external attack surface management. ### What is the difference between Assetnote ASM and OWASP Amass? **Assetnote ASM**: External attack surface management platform with continuous asset discovery, built by Assetnote. **OWASP Amass**: Performs network mapping of attack surfaces and external asset discovery using open source information gathering and active reconnaissance techniques. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Assetnote ASM and OWASP Amass? **Assetnote ASM** is made by Assetnote founded in 2018-01-01T00:00:00.000Z. **OWASP Amass** is open-source with 14,260 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Assetnote ASM a good alternative to OWASP Amass? Often, yes. Assetnote ASM and OWASP Amass are both External Attack Surface Management products. Key differences: Assetnote ASM is Commercial while OWASP Amass is Free, OWASP Amass is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Assetnote ASM vs DarkInvader EASM Platform](https://cybersectools.com/compare/assetnote-asm-vs-darkinvader-easm-platform) - [Assetnote ASM vs Cylana EASM](https://cybersectools.com/compare/assetnote-asm-vs-cylana-easm) - [Assetnote ASM vs MGM Security Partners recon me](https://cybersectools.com/compare/assetnote-asm-vs-mgm-security-partners-recon-me) - [OWASP Amass vs DarkInvader EASM Platform](https://cybersectools.com/compare/darkinvader-easm-platform-vs-owasp-amass) - [OWASP Amass vs Cylana EASM](https://cybersectools.com/compare/cylana-easm-vs-owasp-amass) - [OWASP Amass vs MGM Security Partners recon me](https://cybersectools.com/compare/mgm-security-partners-recon-me-vs-owasp-amass) ## Alternatives to each - [See all Assetnote ASM alternatives](https://cybersectools.com/alternatives/assetnote-asm) - [See all OWASP Amass alternatives](https://cybersectools.com/alternatives/owasp-amass) --- Source: https://cybersectools.com/compare/assetnote-asm-vs-owasp-amass For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/assetnote-asm.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Assetnote ASM and OWASP Amass: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md