Top 4 Open-Source Alternatives to SonicWall TZ

The top open-source alternatives to SonicWall TZ are Zabbix, pfSense, 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.

Zabbix Landing Page
1

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
pfSense Landing Page
2

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
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
Nagios Landing Page
4

Nagios

Complete monitoring and alerting for servers, switches, applications, and services
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management