In-depth attack surface mapping and asset discovery
15,125
stars
2,645
commits
Go
primary language
Jul 19, 2026
updated
README
OWASP Amass Project
The OWASP Amass Project performs network mapping of attack surfaces and external asset discovery using open source information gathering and active reconnaissance techniques.
Installation 
You can find additional installation instructions and documentation in the Amass Docs repo.
Corporate Supporters
Contributing 
We are always happy to get new contributors on board! Please check CONTRIBUTING.md to learn how to contribute to our codebase, and join our Discord Server to discuss current project goals.
Troubleshooting 
If you need help with installation and/or usage of the tool, please join our Discord server where community members can best help you.
:stop_sign: Please avoid opening GitHub issues for support requests or questions!
Licensing 
This program is free software: you can redistribute it and/or modify it under the terms of the Apache license. OWASP Amass and any contributions are Copyright © by Jeff Foley 2017-2026. Some subcomponents have separate licenses.
Contributors
(top 30 of 62)
Similar repos
Languages
Go
99.7%
In-depth attack surface mapping and asset discovery
15,125
stars
2,645
commits
Go
primary language
Jul 19, 2026
updated
README
OWASP Amass Project
The OWASP Amass Project performs network mapping of attack surfaces and external asset discovery using open source information gathering and active reconnaissance techniques.
Installation
You can find additional installation instructions and documentation in the Amass Docs repo.
Corporate Supporters
Contributing
We are always happy to get new contributors on board! Please check CONTRIBUTING.md to learn how to contribute to our codebase, and join our Discord Server to discuss current project goals.
Troubleshooting
If you need help with installation and/or usage of the tool, please join our Discord server where community members can best help you.
:stop_sign: Please avoid opening GitHub issues for support requests or questions!
Licensing
This program is free software: you can redistribute it and/or modify it under the terms of the Apache license. OWASP Amass and any contributions are Copyright © by Jeff Foley 2017-2026. Some subcomponents have separate licenses.
Similar repos
Contributors
(top 30 of 62)
Languages
Go
99.7%