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Tcpreplayhping3
Free

Free and open source under the GPLv3.

 Free

Free and open source under the GPL.

Command line macOS, Linux, Command line
  • Replays captures at original timing, a set rate or line rate
  • Rewrites addresses, ports, VLAN tags and checksums
  • Crafts arbitrary packets, so firewall and filtering behaviour can be tested precisely
  • Advanced traceroute and path MTU discovery modes
  • Command-line only, with no graphical interface
  • Requires existing packet captures to work from
  • Requires root and can disrupt networks if used carelessly
  • Development stopped years ago
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: GPL-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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