Top 12 Open-Source Alternatives to FortiGate

The top open-source alternatives to FortiGate are pfSense, Plasma Firewall, and Graylog. 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
Graylog Landing Page
3

Graylog

Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.
Pricing:
- Open Source
#Monitoring Tools #Log Management #Performance Monitoring 2 social mentions
Datadog Landing Page
4

Datadog

See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Pricing:
- Open Source
- Freemium
- Free Trial
- $15.0 / Monthly (per host)
#Monitoring Tools #Log Management #Error Tracking 5 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
Prometheus Landing Page
6

Prometheus

An open-source systems monitoring and alerting toolkit.
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management 225 social mentions
Wazuh Landing Page
7

Wazuh

Open Source Host and Endpoint Security
Pricing:
- Open Source
#Security & Privacy #Security Information And Event Management (SIEM) #Cyber Security 49 social mentions
Zabbix Landing Page
8

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
Apache Log4j Landing Page
9

Apache Log4j

Log4j is a logging framework (APIs) written in Java.
Pricing:
- Open Source
#Monitoring Tools #Log Management #Error Tracking 26 social mentions
collectd Landing Page
10

collectd

System and applications metrics collector
Pricing:
- Open Source
#Monitoring Tools #Log Management #Performance Monitoring 6 social mentions
Ossec Landing Page
11

Ossec

OSSEC is an Open Source Host-based Intrusion Detection System.
Pricing:
- Open Source
#Security & Privacy #Cyber Security #Monitoring Tools 1 social mentions
Checkmk Landing Page
12

Checkmk

Checkmk - the software for effective IT monitoring
Pricing:
- Open Source
- Freemium
- Free Trial
- €600.0 / Annually
#Monitoring Tools #Log Management #Incident Management 53 social mentions