FaultMesh is a Kubernetes-native platform for introducing controlled failures and checking how systems respond.
Alternatives to Gremlin
Reliably helps teams build resilience engineering capability by exploring operational risks and incidents.
Krkn is a free tool for injecting deliberate failures into Kubernetes clusters to evaluate how they handle disruption.
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Chaos Mesh
Chaos Mesh is a free, open-source platform for Chaos Engineering: it runs fault simulations in development, testing, and production environments.
Free planWebAPISelf-hosted6.5Free plan - 5
Toxiproxy
Toxiproxy is a free, open-source TCP proxy for developers and teams checking how applications handle service failures.
Free planAPILinuxmacOSSelf-hosted6.5Free plan - 6

Chaos Toolkit
Chaos Toolkit is an open-source chaos engineering toolkit for developers exploring systems to find weaknesses.
Free planWebAPILinuxmacOS6.4Free plan - 7
ChaosBlade
ChaosBlade is a free, open-source chaos engineering project for exploring system availability risks.
Free planWebAPILinuxmacOS6.3Free plan - 8
Krkn-AI
Krkn-AI is a free, open-source tool for automatically running chaos scenarios and finding experiments to assess application resilience.
Free planLinuxSelf-hosted6.3Free plan - 9

AWS Fault Injection Service
AWS Fault Injection Service (FIS) runs experiments that disrupt AWS workloads so teams can examine application performance, observability, and resilience.
WebAPILinuxmacOS6.2$0.10, paid once - 10
LitmusChaos
LitmusChaos is an open-source chaos engineering platform for finding infrastructure weaknesses through controlled experiments.
Free planWebAPILinuxSelf-hosted6.1Free plan - 11
PowerfulSeal
PowerfulSeal is a free, self-hosted tool that injects failures into Kubernetes clusters so teams can find problems early.
Free planWebSelf-hosted6.0Free plan - 12
Steadybit
Steadybit is a chaos engineering platform for teams assessing system reliability through controlled experiments and fault testing.
WebAPILinuxSelf-hosted6.0 - 13
Tumult
Tumult is a Rust-native platform for authoring, approving, running and analyzing resilience experiments.
WebAPILinuxmacOS6.0 - 14
Pumba
Pumba is a free, open-source chaos testing and network emulation tool for Docker, containerd, and Podman containers.
Free planLinuxmacOS5.9Free plan - 15
chaosd
chaosd is a free Chaos Engineering tool for injecting faults into physical machine environments and recovering from experiments.
Free planAPILinuxSelf-hosted5.8Free plan - 16
KubeInvaders
KubeInvaders is a free, open-source tool for learning about Kubernetes resilience through simulated or real disruption.
WebLinuxmacOSSelf-hosted5.7 - 17
kube-monkey
kube-monkey is a self-hosted Kubernetes tool that randomly deletes opted-in pods to help teams develop and validate services designed to handle failures.
Free planSelf-hosted5.6Free plan - 18
Canonical Chaos Engineering Platform
Canonical Chaos Engineering Platform deploys chaos engineering infrastructure and runs experiments to check whether systems recover from faults.
WebLinuxSelf-hosted5.5 - 19
Chaos Monkey for Spring Boot
Chaos Monkey for Spring Boot is a free, open-source project for teams examining how Spring Boot applications behave during operational disruption.
APISelf-hosted5.5 - 20

Harness Chaos Engineering
Free planWeb5.5Free plan - 21
Zuul
Zuul is Netflix’s free, open-source, self-hosted Layer 7 application gateway for Linux.
LinuxSelf-hosted5.4 - 22
khaos-monkey
khaos-monkey is a free, open-source Kubernetes utility that randomly terminates pods according to configured rules.
LinuxSelf-hosted5.1 - 23

Azure Chaos Studio
Azure Chaos Studio is a web-based cloud service for running controlled fault experiments in Azure environments.
Web4.8

