Top 7 Open-Source Alternatives to Security Headers

The top open-source alternatives to Security Headers are Mozilla Observatory, SSLyze, and TestSSL. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Mozilla Observatory Landing Page
1

Mozilla Observatory

The Mozilla Observatory is a project designed to help developers, system administrators, and security professionals configure their sites safely and securely.
Pricing:
- Open Source
#Web Application Security #Security #Web And Mobile Application Security 32 social mentions
SSLyze Landing Page
2

SSLyze

SSLyze is a fast and powerful SSL/TLS scanning library.
Pricing:
- Open Source
#Web Application Security #Security #Web And Mobile Application Security 2 social mentions
TestSSL Landing Page
3

TestSSL

Testing TLS/SSL encryption anywhere on any port
Pricing:
- Open Source
#Web Application Security #Security #Web And Mobile Application Security 2 social mentions
Lynis Landing Page
4

Lynis

Security auditing tool for systems running Linux, macOS, BSD, and other UNIX-based systems.
Pricing:
- Open Source
#Security #Monitoring Tools #Cyber Security 26 social mentions
OPNsense Landing Page
5

OPNsense

OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
Pricing:
- Open Source
#Operating Systems #Linux #Perimeter Security And Firewalls 94 social mentions
Wazuh Landing Page
6

Wazuh

Open Source Host and Endpoint Security
Pricing:
- Open Source
#Security & Privacy #Security Information And Event Management (SIEM) #Cyber Security 49 social mentions
HackerOne Landing Page
7

HackerOne

HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
Pricing:
- Open Source
#Cyber Security #Ethical Hacking #Bug Bounty As A Service 17 social mentions