Open Source
LuLu
Firewall that asks before any app connects out to the internet, so you can block unknown or unwanted connections.
Address
Controlling which apps can reach the network
Open Source
NetGuard
No-root firewall for Android: block internet access per app, on Wi-Fi and mobile data separately.
Open Source
Portmaster
Application firewall that shows and controls every connection your apps make, with built-in tracker and ad blocking.
Open Source
simplewall
Lightweight firewall for Windows built on the Windows Filtering Platform: allow or block each app's network access.
Nothing here for the selected platforms.
4 objects