Istio Galley provides the configuration management service for Istio. It is responsible for managing the lifecycle of Istio configuration resources as defined by istio/api.
Please see istio.io to learn about the overall Istio project and how to get in touch with us. To learn how you can contribute to any of the Istio components, including Galley, please see the Istio contribution guidelines.
Istio's development guide presents everything you need to know to create, build, and test code for Galley.
History/last working version of former istioctl is visible at https://github.com/istio/pilot/tree/pilot-0-2-0-working/cmd/istioctl