Portmaster
Portmaster is a free, open-source security and privacy app for Windows and Linux. Love Freedom - Block Mass Surveillance. It has 13,887 GitHub stars and is released under the GPL-3.0 license, and people use it instead of GlassWire and Little Snitch.
- Official
- Linux
- Windows
- Password managers, encryption & privacy
- Actively maintained
About Portmaster
Portmaster is a free and open-source application firewall that does the heavy lifting for you. Restore privacy and take back control over all your computer's network activity.
Replaces
Commercial software people commonly use Portmaster instead of.
- GlassWire
- Little Snitch
Similar apps
More open-source password managers and security tools
Clash Verge Rev
clash-verge-rev/clash-verge-rev
A modern GUI client based on Tauri, designed to run in Windows, macOS and Linux for tailored proxy experience.
Password managers, encryption & privacyWindowsmacOSLinuxSniffnet
GyulyVGC/sniffnet
Comfortably monitor your network traffic .
Password managers, encryption & privacyWindowsmacOSLinuxAlgo
trailofbits/algo
Set up a personal VPN in the cloud.
OfficialPassword managers, encryption & privacyWindowsmacOSLinuxEnte
ente/ente
End-to-end encrypted cloud for everything.
OfficialPassword managers, encryption & privacyWindowsmacOSLinuxKeePassXC
keepassxreboot/keepassxc
KeePassXC is a cross-platform community-driven port of the Windows application “KeePass Password Safe”.
OfficialPassword managers, encryption & privacyWindowsmacOSLinuxDev Sidecar
docmirror/dev-sidecar
开发者边车，github打不开，github加速，git clone加速，git release下载加速，stackoverflow加速.
Password managers, encryption & privacyWindowsmacOSLinux
What is Portmaster?
Portmaster is a free, open-source security and privacy app for Windows and Linux. Love Freedom - Block Mass Surveillance. It has 13,887 GitHub stars and is released under the GPL-3.0 license, and people use it instead of GlassWire and Little Snitch.
Is Portmaster free and open source?
Yes. Portmaster's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Portmaster?
Download the installer for Windows and Linux from its GitHub Releases page (latest: v2.2.3) or the project website.
Can Portmaster replace GlassWire?
Portmaster is commonly used as a free alternative to GlassWire and Little Snitch. Features differ, so check that it opens the file formats and covers the workflows you rely on before switching.