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sysdig vs Tetragon: catalog facts
sysdig	Tetragon
Free Free to use from its public GitHub repository.	Free Free to use as a CNCF open-source project.
Linux, Command line	Linux, Self-hosted
Captures system calls for deep troubleshooting Container-aware out of the box	Kernel-level enforcement that blocks malicious activity in real time Low overhead because filtering happens in eBPF
Linux only Steep learning curve for filters and captures	Linux only, and aimed mainly at Kubernetes environments Requires familiarity with eBPF and writing policies to get the most from it
Downloadable app	Self-hosted
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Not stated if it 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.