# Rerun

Hacker Approved page: https://hackerapproved.com/p/rerun/

5 people recommended Rerun in Hacker News comments and none criticized it, November 2025 to October 2026. It was recommended in 6 of 12 months, in 6 threads. It does not meet the Hacker Approved badge rule.

**Verdict:** An open-source viewer and database for logging and visualizing multimodal, time-series data, used by people debugging robotics and simulation systems.

Summary written by Claude from 6 comments.

## Why people recommend it

- Handles multimodal and time-series data (3 comments in the sample): "We help engineers log, query, and visualize large, multimodal datasets so they can actually understand what their systems are doing." ([source](https://news.ycombinator.com/item?id=46602252)) "Rerun is an open-source viewer for time-series and multimodal data used in robotics and physical AI" ([source](https://news.ycombinator.com/item?id=47164111)) "Rerun is an easy-to-use database and visualization toolbox for multimodal and temporal data." ([source](https://news.ycombinator.com/item?id=46360370))
- Debugging robotics simulations and rollouts (1 comment in the sample): "it's been incredible for debugging simulations as well as looking at individual policy rollouts" ([source](https://news.ycombinator.com/item?id=48266954))

## Other charting libraries people recommend

- [ggplot2](https://hackerapproved.com/p/ggplot2/): 24 recommend, 5 mixed, 5 criticize
- [plotnine](https://hackerapproved.com/p/plotnine/): 20 recommend, 2 mixed, 2 criticize
- [Matplotlib](https://hackerapproved.com/p/matplotlib/): 14 recommend, 2 mixed, 15 criticize
- [ggsql](https://hackerapproved.com/p/ggsql/): 14 recommend, 4 mixed, 2 criticize

## The badge

A product earns the Hacker Approved badge when at least 10 people recommend it, recommenders outnumber critics at least 2 to 1 (mixed feelings count toward neither side), it was recommended in at least 4 of the 12 months and in at least 5 different threads, and no single thread supplies more than half of the people who recommend it. Health and money products are never badged.

## Cite as

Hacker Approved, "Rerun", https://hackerapproved.com/p/rerun/ (5 recommend, 0 mixed, 0 criticize; Hacker News comments, November 2025 to October 2026).

Counts updated 2 Nov 2026, with data through October 31, 2026.