Rerun vs viser
A data-driven comparison of two Python robotics & computer vision visualization: popularity, development activity, licensing and installation. Updated .
Key differences
- Rerun has 4.1× as many GitHub stars as viser (11.7K vs 2.8K).
- Rerun had more development activity over the last 12 months: 3,250 commits vs 153.
- Rerun is downloaded 1.6× as often on PyPI (497.5K vs 320K per week).
- Both are released under the Apache-2.0 license.
- Rerun is written primarily in Rust, viser in Python.
By the numbers
- Rerun
- viser
Show data as a table
| Metric | Rerun | viser |
|---|---|---|
| GitHub stars | 11,674 | 2,842 |
| PyPI downloads / week | 497,458 | 320,011 |
| Commits, last 12 months | 3,250 | 153 |
| Contributors | 191 | 50 |
| Forks | 889 | 233 |
Development activity
Commits per month to each default branch, last 12 complete months.
- Rerun
- viser
Show data as a table
| Month | Rerun | viser |
|---|---|---|
| Nov 2025 | 215 | 9 |
| Dec 2025 | 230 | 7 |
| Jan 2026 | 357 | 22 |
| Feb 2026 | 351 | 14 |
| Mar 2026 | 277 | 18 |
| Apr 2026 | 212 | 15 |
| May 2026 | 260 | 18 |
| Jun 2026 | 163 | 12 |
| Jul 2026 | 242 | 12 |
| Aug 2026 | 246 | 17 |
| Sep 2026 | 271 | 9 |
| Oct 2026 | 426 | 0 |
Side by side
| Attribute | Rerun | viser |
|---|---|---|
| Description | An SDK for logging computer vision and robotics data paired with a visualizer for exploring that data over time. | Web-based 3D visualization library for computer vision and robotics, with GUI building blocks. |
| Category | Python robotics & computer vision visualization | Python robotics & computer vision visualization |
| License | Apache-2.0 | Apache-2.0 |
| Language | Rust | Python |
| Status | Active | Active |
| Latest release | 0.41.0 () | v1.1.1 () |
| Last commit | ||
| Repository created | ||
| Open issues | 1,217 | 95 |
| Install | pip install rerun-sdkcargo add rerun | pip install viser |
Which should you choose?
Popularity and activity are only part of the story. Consider which ecosystem you work in, the chart types and interactions you need, how much data you render, and whether the license fits your project. Both tool pages list alternatives if neither is quite right.