dockersh vs k3s: What are the differences?

Developers describe dockersh as "A shell which places users into individual docker containers". dockersh is designed to be used as a login shell on machines with multiple interactive users. When a user invokes dockersh, it will bring up a Docker container (if not already running), and then spawn a new interactive shell in the container's namespace. On the other hand, k3s is detailed as "Lightweight Kubernetes. 5 less than k8s (by Rancher Labs)". Certified Kubernetes distribution designed for production workloads in unattended, resource-constrained, remote locations or inside IoT appliances. Supports something as small as a Raspberry Pi or as large as an AWS a1.4xlarge 32GiB server.

dockersh and k3s can be categorized as "Container" tools.

dockersh and k3s are both open source tools. k3s with 7.81K GitHub stars and 483 forks on GitHub appears to be more popular than dockersh with 1.28K GitHub stars and 76 GitHub forks.