Clicking "Visualize" from the Foxglove dashboard will take you to an "Open data source" dialog.
|Inspect real-time data coming in from a live robotics stack or a remote source (e.g. S3 bucket)
"Open local file"
|Inspect data stored locally on your computer
"Upload and share data"
|Inspect data imported to the Foxglove platform
If you're curious about Foxglove, but don't have your own robotics data on hand, you can "Explore sample data" to load sample data adapted from nuScenes in an example layout.
Once connected, Foxglove will display the data source's topics in the sidebar: