Compare software

Picosnitch vs Sniffnet: catalog facts
Picosnitch	Sniffnet
Free Free, with source code published on GitHub.	Free Free and open source under the Apache 2.0 licence, funded by sponsorship.
Linux	Windows, macOS, Linux
Alerts on new connecting or modified programs Per-executable bandwidth history with several breakdowns	Readable charts and per-host statistics rather than a packet list Exports to PCAP so Wireshark can take over for the detail
Linux only Monitors and logs traffic but does not block it	Needs packet capture drivers installed, such as Npcap on Windows Not a substitute for Wireshark when you need packet-level detail
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.