Side by side
BuiltWith vs OWASP Amass
Both stand on osint tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIExtensionWeb
BuiltWith combines website technology profiles with ecommerce research, lead generation, exports, and developer access. Its free individual lookups provide a way to start, while detailed lookup volume and other plan features vary by subscription.
Visit BuiltWith Free plan LinuxMacSelf-hosted+1
OWASP Amass brings asset discovery and long-term tracking together in a self-hosted framework, with multiple installation routes and broad reconnaissance sources. Users should account for its technical requirements and check licensing for subcomponents.
Visit OWASP AmassThe facts
| BuiltWith | OWASP Amass | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Extension, Web | Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | See the plans | Free or on request |
| Plans published | 5 | 1 |
| Maker | BuiltWith | Not published |
| Website | builtwith.com | owasp.org |
| On osint tools | #1 of 18 | #2 of 18 |
BuiltWith: what it does well
- Free individual website lookups are available.
- Reports can be filtered by category, region, or technology.
- Exports include Excel and CSV formats.
- CRM integrations include Salesforce, HubSpot, and Zoho CRM.
What to know first
- The Free plan allows 10 detailed lookups per day.
- Advanced has a one-year minimum term.
- Higher-tier monthly plans start at $295 per month.
OWASP Amass: what it does well
- Combines collection, asset storage, and an asset model.
- Uses OSINT and active reconnaissance sources.
- Database supports long-term asset tracking.
- Offers source, Homebrew, Docker, and Docker Compose options.
- Free and open source under Apache 2.0.
What to know first
- Requires Go and network connectivity.
- Requires DNS resolution capabilities and reconnaissance knowledge.
- Some subcomponents have separate licenses.
- GitHub issues are not for support requests.
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