Compare software

gVisor vs Firejail: catalog facts
gVisor	Firejail
Free Free and open source under the Apache 2.0 licence.	Free Free and open source.
Linux, Command line	Linux, Command line
Strong isolation without a full virtual machine runsc runtime works with Docker and Kubernetes	Sandboxes existing applications without modifying them Uses kernel namespaces and seccomp-bpf filtering
Implements a Linux-like interface, so some applications may not be compatible Linux hosts only	Linux only Runs as a SUID program, which some users consider a risk in itself
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-2.0
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 23, 2026

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