Best Firewall Software in 2026 — page 2

Launchpad

Launchpad combines source collaboration, bug tracking, package distribution, and translation tools for open-source projects at no charge.

IPFW

OpenBSD PF

simplewall

WinGate

WinGate combines gateway, proxy, and server functions with web access controls, scanning, and central management.

Advanced Policy Firewall

APF provides a broad set of firewall controls for Linux servers under a GPL license, with no paid editions.

FireHOL

NetBalancer

NetBalancer offers detailed traffic controls, monitoring, and automation options for Windows computers.

Murus

Fort Firewall

Vuurmuur

Windows Sandbox

Windows Security

Windows Security provides built-in antivirus, firewall, account, and device-security features at no cost.

Malwarebytes Windows Firewall Control

Evorim Free Firewall

LuLu

LuLu offers outgoing-connection alerts and configurable allow or block rules at no cost. Its visibility is not complete for traffic that bypasses macOS Network Extensions.

AFWall+

NetLimiter

NetLimiter combines detailed Windows traffic monitoring with speed controls, quotas, filters, and blocking rules.

NetGuard

Arno's IPTABLES Firewall

Oracle Cloud Infrastructure Secret Management

OCI Secret Management centralizes credential storage, access control, rotation, and replication.

Firewall App Blocker

ferm

WinSight

Gufw

Gufw provides a graphical route to configuring UFW rules on Linux, with a free, on-premises model. Users working over SSH should add an SSH rule before enabling the firewall.