There are now many charts (packages) for Helm, the Kubernetes package manager. These charts are provided by companies, like Bitnami (part of VMware), open source projects, and individuals. These days, the charts are hosted in a distributed manner where these different people and groups can host them on their own. To aide in discovering these distributed charts, there are now multiple services you can use.
This post is going to look at four of them in reverse chronological order from the time of their creation.