add krkn

README.md

@@ -603,6 +603,7 @@ Cloud Native is a behavior and design philosophy. At its essence, any behavior o
 - [chaos-mesh](https://github.com/chaos-mesh/chaos-mesh) - A Chaos Engineering Platform for Kubernetes.
 - [concurrency-limits](https://github.com/Netflix/concurrency-limits) - Java Library that implements and integrates concepts from TCP congestion control to auto-detect concurrency limits to achieve optimal throughput with optimal latency.
 - [hystrix](https://github.com/Netflix/Hystrix) - Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable.
+- [krkn](https://github.com/krkn-chaos/krkn) - Chaos and resiliency testing tool for Kubernetes with a focus on improving performance under failure conditions. A CNCF sandbox project.
 - [kubediag](https://github.com/kubediag/kubediag) - Problem diagnosis and operation orchestration for Kubernetes.
 - [kubedoom](https://github.com/storax/kubedoom) - Kill Kubernetes pods by playing Id's DOOM!
 - [litmus](https://github.com/litmuschaos/litmus) - Litmus helps SREs and developers practice chaos engineering in a Cloud-native way.