alternatives to

Gremlin

Hosted chaos engineering service that injects failures into hosts, containers and Kubernetes through an agent. A closed product from Gremlin.

Side by side

5 open source alternatives to Gremlin
ToolFitStarsLicenceTermsSelf-hostedLanguageLatestLast push
Chaos MeshFull replacement7.9kApache-2.0Open sourceYesGov2.8.42026-10-03
ChaosBladeFull replacement6.5kApache-2.0Open sourceYesPythonv1.8.12026-10-05
LitmusChaosFull replacement5.7kApache-2.0Open sourceYesGo3.32.02026-09-30
PumbaPartial3.2kApache-2.0Open sourceYesGo1.2.12026-09-25
Chaos ToolkitPartial2kApache-2.0Open sourceYesPython1.21.42026-10-05

Every alternative

Language
Fit

5 alternatives

Chaos MeshFull replacement

A Chaos Engineering Platform for Kubernetes.

Pod, network, I/O, time and kernel faults on Kubernetes, with workflows and a dashboard.

Language
Go
Licence
Apache-2.0
Stars
7.9k
Latest
v2.8.4
Last push
2026-10-03
ChaosBladeFull replacement

An easy to use and powerful chaos engineering experiment toolkit.(阿里巴巴开源的一款简单易用、功能强大的混沌实验注入工具)

CPU, memory, disk, network, process and JVM faults on hosts, containers and Kubernetes.

Language
Python
Licence
Apache-2.0
Stars
6.5k
Latest
v1.8.1
Last push
2026-10-05
LitmusChaosFull replacement

Litmus helps SREs and developers practice chaos engineering in a Cloud-native way. Chaos experiments are published at the ChaosHub (https://hub.litmuschaos.io). Community notes is at https://hackmd.io/a4Zu_sH4TZGeih-xCimi3Q

Chaos experiments from a hub, scheduled and observed from a control plane, on Kubernetes and hosts.

Language
Go
Licence
Apache-2.0
Stars
5.7k
Latest
3.32.0
Last push
2026-09-30
PumbaPartial

Chaos testing, network emulation, and stress testing tool for containers

Kills, pauses and degrades the network of Docker containers from a CLI.

Language
Go
Licence
Apache-2.0
Stars
3.2k
Latest
1.2.1
Last push
2026-09-25
Chaos ToolkitPartial

Chaos Engineering Toolkit & Orchestration for Developers

Experiments declared in JSON or YAML and run from a CLI, with drivers for clouds and Kubernetes, without an agent or UI.

Language
Python
Licence
Apache-2.0
Stars
2k
Latest
1.21.4
Last push
2026-10-05

Head to head

About Gremlin

Vendor
Gremlin

Gremlin website ↗