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Tetragon vs sysdig: catalog facts
Tetragon	sysdig
Free Free to use as a CNCF open-source project.	Free Free to use from its public GitHub repository.
Linux, Self-hosted	Linux, Command line
Kernel-level enforcement that blocks malicious activity in real time Low overhead because filtering happens in eBPF	Captures system calls for deep troubleshooting Container-aware out of the box
Linux only, and aimed mainly at Kubernetes environments Requires familiarity with eBPF and writing policies to get the most from it	Linux only Steep learning curve for filters and captures
Self-hosted	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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