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Siege vs Vegeta: catalog facts
Siege	Vegeta
Free Free and open source.	Free Free and open source.
macOS, Linux, Command line	Windows, macOS, Linux, Command line
Tests many URLs at once from a list Configurable number of simulated users	Constant request rate for predictable load Composable subcommands for attack, report and plot
Command line only, with no graphical reports Scripting options are simpler than in newer load testers	Command line only No built-in scripting for complex user flows
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
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 24, 2026

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