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Crucible vs stress-ng: catalog facts
Crucible	stress-ng
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source.
Linux	Linux, Command line
Specs view and stress test in one simple app Live CPU temperature and usage during tests	Stresses CPU, memory, I/O and kernel interfaces Stressors can be run individually or combined
Small, young project with few contributors Linux only	Command line only Can make a system unresponsive if used carelessly
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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