Free and open source Grafana plugins

Hourly heatmap

Aggregate time series by hour to analyze activity or traffic during the day.

Dynamic text

Define text templates using the data from your data source query.

Treemap

Compare data by area and colors.

JSON API

Extract data from your JSON API using JSON Paths.

Static

Create static query results for prototyping dashboards and testing panels.

CSV

Load CSV files into Grafana.