Top 6 Open-Source Alternatives to WatchGuard

The top open-source alternatives to WatchGuard are pfSense, Plasma Firewall, and OPNsense. 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.

pfSense Landing Page
1

pfSense

pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Pricing:
- Open Source
#Perimeter Security And Firewalls #Cyber Security #Network Security 10 social mentions
Plasma Firewall Landing Page
2

Plasma Firewall

Plasma Firewall is an open-source control panel with which you can manage your system firewall.
Pricing:
- Open Source
#Security & Privacy #Tool #Monitoring Tools 1 social mentions
OPNsense Landing Page
3

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
Zabbix Landing Page
4

Zabbix

Track, record, alert and visualize performance and availability of IT resources
Pricing:
- Open Source
- Free
#Monitoring Tools #Performance Monitoring #DevOps Tools 5 social mentions
Prometheus Landing Page
5

Prometheus

An open-source systems monitoring and alerting toolkit.
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management 225 social mentions
HackerOne Landing Page
6

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