Top 5 Open-Source Alternatives to DNSFilter

The top open-source alternatives to DNSFilter are HackerOne, pfSense, 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.

HackerOne Landing Page
1

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
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
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
TheHive Landing Page
4

TheHive

The Hive is a scalable, open source, and free security incident response platform.
Pricing:
- Open Source
#Cyber Security #Ethical Hacking #Network Security 8 social mentions
Let's Encrypt Landing Page
5

Let's Encrypt

Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
Pricing:
- Open Source
#Identity And Access Management #Two Factor Authentication #Security & Privacy 311 social mentions