Compare software

ngrep vs Termshark: catalog facts
ngrep	Termshark
Free Free open-source software.	Free Free and open source under the MIT licence.
Windows, Linux, Command line	macOS, Linux, Command line
Grep-style matching on packet payloads Accepts tcpdump-style BPF filters	Wireshark-style analysis over an SSH session with no X forwarding Uses tshark, so dissection matches Wireshark exactly
Text output only, with no protocol decoding like Wireshark Capturing traffic usually needs root or administrator rights	Requires tshark installed Fewer features than the Wireshark graphical application
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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