Besides the wide range of visualizations and data sources that are available immediately after you install Grafana, you can extend your Grafana experience with _plugins_.
You can [install]({{< relref "installation.md" >}}) one of the plugins built by the Grafana community, or [build one yourself]({{< relref "../developers/plugins/_index.md" >}}).
Grafana supports three types of plugins: [panels](https://grafana.com/grafana/plugins?type=panel), [data sources](https://grafana.com/grafana/plugins?type=datasource), and [apps](https://grafana.com/grafana/plugins?type=app).
## Panel plugins
Add new visualizations to your dashboard with panel plugins, such as the [Worldmap Panel](https://grafana.com/grafana/plugins/grafana-worldmap-panel), [Clock](https://grafana.com/grafana/plugins/grafana-clock-panel), and [Pie Chart](https://grafana.com/grafana/plugins/grafana-piechart-panel).
Use panel plugins when you want to:
- Visualize data returned by data source queries.
- Navigate between dashboards.
- Control external systems, such as smart home devices.
## Data source plugins
Data source plugins add support for new databases, such as [Google BigQuery](https://grafana.com/grafana/plugins/doitintl-bigquery-datasource).
Data source plugins communicate with external sources of data and return the data in a format that Grafana understands. By adding a data source plugin, you can immediately use the data in any of your existing dashboards.
Use data source plugins when you want to import data from external systems.
Applications, or _app plugins_, bundle data sources and panels to provide a cohesive experience, such as the [Zabbix](https://grafana.com/grafana/plugins/alexanderzobnin-zabbix-app) app.
