kapp-controller

Slack: #k14s in Kubernetes slack
Docs with topics about installation, config, etc.
Install: see Install instructions

kapp controller provides a way to specify which applications should run on your K8s cluster. It will install, and continiously apply updates.

Features:

supports fetching Helm charts (via helm fetch), git repos (via git), Docker images (via imgpkg), inline content within resource
supports templating of Helm charts, ytt configuration
installs and syncs resources with kapp

More details in docs.