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Chaos Monkey alternatives: 8 open-source chaos and resilience tools

Metrics as of , from the GitHub or GitLab API of each repository. Refreshed monthly.

About Chaos Monkey

Chaos Monkey is a listed chaos and resilience tool: Netflix chaos tool that randomly terminates instances and containers in production, integrated with Spinnaker.

Order: Listed tools in the same category, with tools in the same primary language (GitHub API) first, then by GitHub stars. Each line gives one fact from the tool's own documentation where it differs from what Chaos Monkey's documentation states, with its source.

8 alternatives to Chaos Monkey

Repository metrics

Chaos Monkey and its alternatives. Sorted by GitHub stars, descending, descending. Select a column heading to change the sort.
Chaos Monkey17,14512025-01-061v2.1.32024-10-031Apache-2.0Goinactive
Toxiproxy12,35612025-03-181v2.12.02026-08-251MITGoactive
Chaos Mesh7,91112026-08-181v2.8.42026-09-061Apache-2.0Goactive
ChaosBlade6,52112026-09-211blade-ai-v0.7.22026-07-281Apache-2.0Pythonactive
LitmusChaos5,61912026-09-1713.32.02026-09-221Apache-2.0Goactive
Pumba3,17112026-08-2311.2.12026-08-271Apache-2.0Goactive
kube-monkey3,08012026-09-201v0.7.02026-09-201Apache-2.0Goactive
Hoverfly2,52212026-09-211v1.12.152026-09-211Apache-2.0Goactive
Chaos Toolkit2,02812026-08-0811.20.02026-08-091Apache-2.0Pythonactive

1 Fetched from the GitHub or GitLab API on . Hover a value for its own date.

Comparisons with Chaos Monkey