Alternatives to Picosnitch
A Linux daemon that monitors network traffic per executable and alerts when new programs connect. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Picosnitch
A Linux daemon that monitors network traffic per executable and alerts when new programs connect.
Replacements
Listings that take over the same core job as Picosnitch.
OpenSnitch
An interactive application firewall for Linux that asks before letting any program make an outbound connection.
OpenSnitch is an interactive Linux application firewall that prompts on and blocks new outbound connections, whereas Picosnitch only monitors and logs traffic.
Portmaster
Shows every connection each application makes and lets you block any of them, with sensible defaults already set.
Portmaster shows every application connection and can block them on Windows and Linux, with sensible defaults but a Windows kernel driver and paid history features.
Similar software
Related functionality, not a direct replacement.
Little Snitch
macOS application firewall that prompts on outgoing connections.
LuLu
Control outbound application connections on macOS.
GlassWire
Network monitor and firewall with a visual traffic history.
