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chkrootkit vs AIDE: catalog facts
chkrootkit	AIDE
Free Free to download and use.	Free Free to download as source releases from GitHub.
Linux, Command line	Linux, Command line
Checks for many known rootkits and trojaned binaries Detects deleted login records and promiscuous interfaces	Detects changes to file contents, permissions and timestamps Flexible regular-expression rules for what to monitor
Command-line only Runs on the system it checks, so a thorough rootkit could hide from it	Command-line only, with no graphical interface Needs a trusted baseline and rule tuning to avoid noisy reports
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
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 23, 2026

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