OPNsense is an open-source firewall and routing platform based on FreeBSD, for self-hosted, web, and API use.
Alternatives to CrowdSec
CrowdSec is built around local analysis of logs and requests, identifying malicious behavior and blocking offending IP addresses through its Security Engine and Remediation Component. Its AppSec Component extends that approach to web application firewall protection, while the free Community offering adds decision management, audit support, selected cloud and Kubernetes scenarios, and integrations across infrastructure. IP Reputation adds contextual and time-based…
IPFire is a free, open-source firewall and security platform for networks, from home offices to large enterprises.
Comodo Internet Security is a Windows security suite combining antivirus protection, a packet-filtering firewall, host intrusion prevention, and…
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GlassWire
GlassWire is a network traffic monitor and personal firewall for viewing network activity and controlling app connections.
Free planAndroidWebWindows8.4From $2.99 a month - 5

NethSecurity
NethSecurity is an OpenWrt-based unified threat management solution designed for small and medium-sized businesses.
Free planOpen sourceWebAPILinuxSelf-hosted8.4From €150 a year - 6
Arista NG Firewall
Arista NG Firewall is network security software for managing and protecting traffic in hybrid deployments.
Free planWeb8.3Free plan - 7
OpenWrt
OpenWrt is a Linux operating system for embedded devices, most often wireless routers.
Free planOpen sourceAndroidWebAPILinux8.2Free plan - 8

ManageEngine Firewall Analyzer
ManageEngine Firewall Analyzer analyzes firewall rules and provides traffic, bandwidth, security, and network reporting.
AndroidiOSWebAPI7.9From $395 a year - 9
Google Cloud NGFW
Free planWebAPI7.7Free plan - 10
NetBalancer
NetBalancer monitors computer network traffic and lets users control it with process priorities, limits, and rules.
Free planWebAPIWindows7.7$34.95 one-time - 11
TNSR
TNSR is Linux software acting as a terabit router and VPN concentrator for high-speed routing and VPN workloads.
Free planAPILinuxSelf-hosted7.6Free plan - 12
Portmaster
Free planLinuxmacOSWindows7.5From €40 a year - 13

RethinkDNS
RethinkDNS combines a configurable DNS resolver with an Android firewall to block ads, trackers, malware, and other selected domains.
Free planAndroidWeb7.5From $1.75 a month - 14

ClearOS
Free planLinuxSelf-hosted7.3Free plan - 15
Murus
Free planmacOS7.3Free plan - 16

WatchGuard AuthPoint
WatchGuard AuthPoint is a cloud-based multi-factor authentication service that verifies users before they access computers, VPNs, cloud services, and applications.
AndroidiOSWebAPI7.3 - 17

FireMon
FireMon helps organizations manage and analyze security policy across multi-vendor firewalls, cloud networks, and microsegmentation environments.
WebAPILinuxSelf-hosted7.2From $200 a month - 18
OpenSnitch
Free planOpen sourceLinuxSelf-hosted7.2Free plan - 19
Alibaba Cloud Cloud Firewall
Alibaba Cloud Cloud Firewall is a cloud-native firewall service for filtering traffic, intrusion prevention, and threat detection.
WebAPI7.1From $420 a month - 20

Oracle Cloud Infrastructure Secret Management
Oracle Cloud Infrastructure Secret Management stores, retrieves, rotates and manages credentials used by applications and cloud environments.
Free planWebAPI7.1Free plan - 21

Launchpad
Launchpad is a free collaboration platform for open-source projects and community contributors, with tools to build and publish software.
Free planWebAPILinuxSelf-hosted7.1Free plan - 22
VyOS
VyOS is an open-source networking operating system for bare-metal, virtualized, cloud, and edge deployments.
APILinuxSelf-hosted7.0 - 23
AFWall+
Free planAndroid7.0$9.99 one-time - 24

FortiGate
Self-hosted6.9 - 25

AWS Network Firewall
AWS Network Firewall is a managed service for deploying network protections across Amazon VPCs.
WebAPI6.9From $0.07 a month - 26
Little Snitch
macOS6.9From €59 a month - 27
NetGuard
Free planAndroid6.9€0.10 one-time - 28
Windows Sandbox
Free planLinuxmacOSWindows6.9Free plan - 29
Intego NetBarrier
macOS6.8From $24.99 a year - 30
WinGate
WinGate is Windows software that combines proxy, SOCKS, email server and internet gateway functions.
Windows6.8


