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

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