Learn about Inspektor Gadget for debugging apps in K8s; Headlamp Kubernetes UI; Kepler for evaluating energy consumption; SlimToolkit to optimize containers; SOPS to manage secrets; Clusternet to simplify access to many clusters; Eraser to delete vulnerable images; PipeCD to deploy across different environments; Microcks to generate API mocks; kpt to handle configurations in WYSIWYG; HwameiStor storage for K8s; Xline distributed KV store; and KubeClipper to manage Kubernetes easily.