224 releases (42 breaking)

Uses new Rust 2024

new 0.47.13 Mar 24, 2025
0.47.8 Feb 27, 2025
0.44.2 Dec 29, 2024
0.43.6 Nov 19, 2024
0.4.1 Mar 31, 2023

#77 in Development tools

Download history 479/week @ 2024-12-03 361/week @ 2024-12-10 223/week @ 2024-12-17 596/week @ 2024-12-24 456/week @ 2024-12-31 825/week @ 2025-01-07 409/week @ 2025-01-14 1101/week @ 2025-01-21 608/week @ 2025-01-28 611/week @ 2025-02-04 1025/week @ 2025-02-11 771/week @ 2025-02-18 1023/week @ 2025-02-25 832/week @ 2025-03-04 863/week @ 2025-03-11 656/week @ 2025-03-18

3,652 downloads per month
Used in 8 crates

MIT license

415KB
10K SLoC

proto

Crates.io Crates.io

proto is a pluggable next-generation version manager for multiple programming languages. A unified toolchain.

proto powers moon's toolchain!

Why use proto?

  • Lightspeed! With Rust, we can guarantee exceptional performance.
  • Multi-language. A single CLI for managing versions for all of your languages.
  • Cross-platform, for a consistent experience across machines and teams.
  • Contextual version detection, ensuring the correct version of a tool is always used.
  • Checksum verification, ensuring a tool came from a trusted source.
  • Detects and infers from a language's ecosystem for maximum compatibility.
  • Pluggable architecture via WASM, enabling custom integrations.

Supported languages

  • Bun
  • Deno
  • Go
  • moon
  • Node (and npm, pnpm, yarn)
  • Python (and poetry, uv)
  • Ruby
  • Rust
  • ... and more via plugins!

Contributors

Special thanks to the wonderful people who have contributed to this project:

Contributors

Dependencies

~55–78MB
~1.5M SLoC