OPNsense Alternatives

OPNsense is described as 'includes most of the features available in expensive commercial firewalls, and more in many cases. It brings the rich feature set of commercial offerings with the benefits of open and verifiable sources' and is a Firewall in the security & privacy category. There are more than 10 alternatives to OPNsense for a variety of platforms, including Linux, Self-Hosted solutions, Windows, BSD and VirtualBox. The best alternative is pfSense, which is both free and Open Source. Other great apps like OPNsense are MikroTik RouterOS, VyOS, Endian Firewall Community and ZeroShell.

OPNsense alternatives are mainly Firewalls but may also be VPN Services or Router Custom Firmware. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of OPNsense.

This page was last updated

OPNsense

Free • Open Source
Firewall
Self-Hosted

OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases. It brings the...

Learn more about OPNsense

pfSense
Do you think this is a good alternative?
Yes
No
Free • Open Source
Firewall
VPN Service
BSD
28 alternatives to pfSense
pfSense is a free, open source customized distribution of FreeBSD tailored for use as a firewall, and router. In addition to being a powerful, flexible firewalling and routing platform, it includes a long list of related features and a package...
Suggest and vote on features
pfSense Features
1. OpenVPNpfSense supports OpenVPN, one of the most secure and reliable VPN protocols.
2. Spam FilterpfSense can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
Integrated Virus scanner
Load balancing
Zabbix monitoring
RADIUS Services
DHCP Server
LDAP support
FOSS
Content Filtering
pfSense vs OPNsense opinions
pros, cons and recent comments
Zazucki
Read this: https://teklager.se/en/pfsense-vs-opnsense/ Especially the part under "Politics, drama & bad blood between the two projects"
Negative comment•
2
MikroTik RouterOS
Do you think this is a good alternative?
Yes
No
Paid • Proprietary
Firewall
Router Custom Firmware
VPN Service
Online
Self-Hosted
23 alternatives to MikroTik RouterOS
The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS. Installed on a personal computer or server computer, it turns the computer into a network router, implementing features such as firewall rules, virtual private network (VPN) server and...
Suggest and vote on features
MikroTik RouterOS Features
SSH
Wi-Fi Direct
User Management
VyOS
Do you think this is a good alternative?
Yes
No
Paid • Open Source
Firewall
VPN Service
Operating System
Linux
20 alternatives to VyOS
VyOS is a community fork of Vyatta , a Linux-based network operating system that provides software-based network routing, firewall, and VPN functionality.
Suggest and vote on features
VyOS Features
1. Command line interfaceVyOS either have CLI support or is a CLI-only app.
2. AES-256 EncryptionVyOS has AES-256 Encryption, i.e. very strong security.
3. No TrackingVyOS will not track you or use your personal data.
4. WireGuardVyOS supports the Wireguard protocol for encrypted VPN traffic.
5. OpenVPNVyOS supports OpenVPN, one of the most secure and reliable VPN protocols.
6. Built-in VPNVyOS has a built-in VPN feature that enhances your privacy and allows you to browse the web from anywhere.
7. End-to-End EncryptionVyOS has E2E Encryption, for entire or parts of the app.
Network Discovery
Endian Firewall Community
Do you think this is a good alternative?
Yes
No
Free Personal • Open Source
Firewall
VPN Service
Linux
19 alternatives to Endian Firewall Community
Endian Firewall Community (EFW) is a "turn-key" linux security distribution that turns every system into a full featured security appliance with Unified Threat Management (UTM) functionality. The software has been designed with "usability in mind" and is very...
Suggest and vote on features
Endian Firewall Community Features
Security focused
Email security
Network activity
Gateway
ZeroShell
Do you think this is a good alternative?
Yes
No
Free • Open Source
Firewall
VPN Service
Linux
Self-Hosted
10 alternatives to ZeroShell
Zeroshell is a Linux distribution for servers and embedded devices aimed at providing the main network services a LAN requires. It is available in the form of Live CD or Compact Flash image and you can configure and administer it using your web browser.
Suggest and vote on features
ZeroShell Features
DHCP Server
DNS Server
Load balancing
Discontinued
From the Zeroshell website (translated from Italian to English)Disposal of the Zeroshell projectThe project has now reached the end of its life. Zeroshell was born in June 2006 and has over 200,000 installations worldwide. Any security updates will be guaranteed until September 30, 2021. I thank everyone who believed and contributed in various ways to improving the project. The zeroshell.org domain will be divested or sold on September 30, 2021
IPFire
Do you think this is a good alternative?
Yes
No
Free • Open Source
Firewall
VPN Service
Operating System
Linux
12 alternatives to IPFire
IPFire is a server distribution with intended to use as a firewall. It focuses on flexibility, and scales from small to middle sized business networks and home networks.
Suggest and vote on features
IPFire Features
DHCP Server
DNS Server
Smoothwall
Do you think this is a good alternative?
Yes
No
Free • Open Source
Firewall
Linux
16 alternatives to Smoothwall
The SmoothWall Open Source Project was set up to develop and maintain SmoothWall Express - a Free firewall that includes its own security-hardened GNU/Linux operating system and an easy-to-use web interface.
Suggest and vote on features
Smoothwall Features
Gateway
Based on OpenVPN
Discontinued
The site says the last release was October 2014.
Untangle
Do you think this is a good alternative?
Yes
No
Paid • Proprietary
Firewall
VPN Service
Linux
29 alternatives to Untangle
Untangle is a platform for deploying network based applications. The platform unites these applications around a common GUI, database and reporting. Applications on the Untangle platform inspect network traffic simultaneously, which greatly reduces the resource requirements of...
Suggest and vote on features
Untangle Features
1. Extensible by Plugins/ExtensionsUntangle can be extended with add-ons, plugins and extensions.
2. Spam FilterUntangle can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
Web filter
Traffic Monitoring
Gateway
IPCop
Do you think this is a good alternative?
Yes
No
Free • Open Source
Firewall
Linux
12 alternatives to IPCop
IPCop Firewall is a Linux firewall distribution geared towards home and SOHO (Small Office/Home Office) users. The IPCop interface is very user-friendly and task-based. IPCop offers the critical functionality of an expensive network appliance using stock, or even obsolete...
Suggest and vote on features
IPCop Features
Gateway
Discontinued
The project seems to be no longer updated. Last version, 2.1.9, released in February 2015, can be still downloaded from the official website.
BSD Router Project:
Do you think this is a good alternative?
Yes
No
Free • Open Source
BSD
Self-Hosted
8 alternatives to BSD Router Project:
BSD Router Project (BSDRP) is an embedded free and open source software router distribution based on FreeBSD with FRRouting (Quagga fork) and Bird.

BSD Router Project: has no features, suggest some!
Add a screenshot