Portmaster

Security & PrivacyAGPL-3.0FreemiumWindowsLinux

Application firewall that monitors network activity and enforces per-app privacy settings

GitHub Repository Official Website

GitHub stars

Alternative to

Norton

Security & Privacy

McAfee

Security & Privacy

Firezone

Self-hosted VPN server and firewall with a web-based management interface for WireGuard tunnels

Apache-2.0Freemium

OpenSnitch

GNU/Linux application firewall that monitors and controls outbound network connections per process

GPL-3.0Free

Security Onion

Linux distribution for threat hunting, network security monitoring, and enterprise log management

GPL-3.0Free

authentik

Self-hosted identity provider supporting SAML, OAuth, and LDAP for unified authentication

otherFreemium

GnuPG

Complete implementation of the OpenPGP standard for encrypting and signing data and communications

GPL-3.0Free

Prowler

Cloud security assessment tool for AWS, Azure, and GCP compliance and best practices

Apache-2.0Freemium

Portmaster

GitHub stars

Alternative to

Firezone

OpenSnitch

Security Onion

authentik

GnuPG

Prowler

Reviews

Portmaster

GitHub stars

Alternative to

Firezone

OpenSnitch

Security Onion

authentik

GnuPG

Prowler

Reviews

Portmaster

GitHub stars

Alternative to

Related Alternatives

Firezone

OpenSnitch

Security Onion

authentik

GnuPG

Prowler

Reviews

Portmaster

GitHub stars

Alternative to

Related Alternatives

Firezone

OpenSnitch

Security Onion

authentik

GnuPG

Prowler

Reviews