uvr

Judgement

What it is

Developer tool

What it does

An R package and project manager written in Rust in the style of uv, with a uvr.toml manifest, a lockfile, a per-project library and prebuilt binaries from Posit Package Manager. It also installs and switches R versions without sudo.

Adopt it when

You write R and want reproducible per-project environments and faster installs than renv gives you.

Watch out

It is pre-1.0 at version 0.4 from one author and competes with established tools such as renv and pak.

Ready for

Experimental

Runs as

Command line

Built with

Rust and R

How established

Young: started 7 months ago, latest release v0.4.8.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-06 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: uvr → Rust → runs on a microchip

How compilers were built, back to punched paper tape

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