Tech riderRev. 20 Sept 2026
syzkaller
- 1Runs onLinux, Mac, Windows
- 2CostsNot stated by the maker
- 3Input generation methodsgeneration, mutation
- 4Target typesoperating-system kernels and syscall interfaces: FreeBSD, Fuchsia, gVisor, Linux, NetBSD, OpenBSD, Windows
- 5Coverage guidanceYes
- 6Crash triageYes
- 7Execution modelocal
- 8CI/CD supportYes
7 lines stated Written from the maker's own pages: github.com

Overview
syzkaller is ranked #16 of 27 in fuzz testing software on Specifiction. It runs on Linux, macOS, Windows.
Compared on fuzz testing software
- Input generation methods
- generation, mutationgithub.com
- Target types
- operating-system kernels and syscall interfaces: FreeBSD, Fuchsia, gVisor, Linux, NetBSD, OpenBSD, Windowsgithub.com
- Coverage guidance
- Yesgithub.com
- Crash triage
- Yesgithub.com
- Execution mode
- localgithub.com
- CI/CD support
- Yesgithub.com
Best syzkaller alternatives
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Where it ranks on Specifiction
- Best Fuzz Testing Software in 2026#16 of 27
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