Best Open Source Alternatives to AWS GuardDuty

Compare the best free and open-source alternatives to AWS GuardDuty — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 1 alternatives

AWS GuardDuty

Proprietary SaaS

AWS GuardDuty alternatives compared

Open-source alternatives to AWS GuardDuty, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
ProjectDiscovery	32,560	MIT	Web	No	Nov 2026	Visit

Top open-source AWS GuardDuty alternatives

ProjectDiscovery32,560MIT

Open-source vulnerability scanner using YAML templates to detect CVEs, misconfigurations, and protocol flaws across applications and infrastructure.

Web

vs AWS GuardDuty: a free, open-source option you fully control, licensed MIT.

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EasyP

Promoted

The modern standard for Protobuf workflows

Lint, codegen, breaking-change checks and dependency management in one Git-native CLI. Open source, no registry lock-in.

lintgeneratebreakingeasyp.lock

go · ts · java generated

$ easyp breaking

backward compatible