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sniffgluetcpdump
Free

Free and open source under the GPL-3.0 license.

 Free

Free and open source under the BSD licence.

macOS, Linux, Command line Windows, macOS, Linux, Command line
  • Parses network packets concurrently using a thread pool
  • Provides default filters for DHCP, DNS, TLS, and HTTP
  • Available on practically every Unix system, including embedded ones
  • Writes standard pcap files that every other tool can read
  • Building from source requires libpcap and libseccomp.
  • Needs elevated privileges to capture
  • Output is dense and takes practice to read
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: BSD-3-Clause
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked September 22, 2026

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