Rerun
Open-source SDK and viewer for logging, querying and visualizing multimodal robotics data.
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About Rerun
Rerun is an open-source toolkit for robotics and computer vision developers who need to see what their code and sensors are doing over time. You log data such as images, point clouds, 3D poses, tensors and time series from Python, C++ or Rust with a few lines of code, and the Rerun viewer shows it on a synced timeline you can scrub through, in a desktop app or in the browser. Recordings are stored in its own column-based .rrd format, and newer versions add SQL and dataframe queries and a PyTorch dataloader so the same data can feed model training. The SDK and viewer are free under Apache-2.0 and MIT licences. Rerun Hub, a managed cloud catalog that indexes recordings in your own object storage, is the paid product, priced per deployment on request. Compared with Foxglove, Rerun is more of a developer library than a ready-made ROS bag viewer, so it suits teams who write their own logging code.
Best for: Robotics and vision developers who want to log and inspect multimodal data from their own code.
Pros and cons
What works
- SDK and viewer are free under Apache-2.0 and MIT
- Python, C++ and Rust APIs with a time-synced viewer
- Viewer runs on desktop and in the browser
Why people leave
- Needs code to log data rather than opening any file out of the box
- Hosted Hub pricing is not published
- Uses its own .rrd recording format
Top Rerun alternatives
See all 2- 1
Foxglove66.5Ready-made viewer for ROS bags and MCAP files, plus a hosted platform for fleet data.
- 2
PlotJuggler59.6Lighter choice when you mostly need to plot time series from logs or live ROS topics.
Why people left Rerun
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Rerun: common questions
Is Rerun free?
Yes. Rerun is free, open-source software.
Is Rerun open source?
Yes. The source code is on GitHub at rerun-io/rerun.
What platforms does Rerun run on?
Rerun is available for Web, Windows, macOS and Linux.
What are the best alternatives to Rerun?
The highest-ranked Rerun alternatives right now are Foxglove and PlotJuggler. See the full ranked list for pricing, platforms and verified facts.