Kuma
"The open-source control plane for your Service Mesh, delivering high performance and reliability."
Maesh - Simpler Service Mesh
"Maesh is a straight-forward, easy to configure, and non-invasive service mesh that allows visibility and management of the traffic flows inside any Kubernetes cluster."
Cross-Cluster Network Connectivity for Kubernetes | Submariner
"Submariner enables direct networking between pods in different Kubernetes clusters on prem or in the cloud."
Kubernetes Service Mesh
What's a service mesh? And why do I need one? » Buoyant » open source service mesh for cloud native applications