89 releases (25 breaking)

Uses new Rust 2024

0.27.6 Mar 14, 2025
0.26.0 Feb 13, 2025
0.24.5 Dec 2, 2024
0.24.3 Nov 19, 2024
0.3.1 Jul 22, 2023

#136 in Development tools

Download history 248/week @ 2024-12-09 110/week @ 2024-12-16 181/week @ 2024-12-23 165/week @ 2024-12-30 382/week @ 2025-01-06 429/week @ 2025-01-13 919/week @ 2025-01-20 702/week @ 2025-01-27 584/week @ 2025-02-03 1060/week @ 2025-02-10 649/week @ 2025-02-17 1038/week @ 2025-02-24 785/week @ 2025-03-03 832/week @ 2025-03-10 543/week @ 2025-03-17 415/week @ 2025-03-24

2,618 downloads per month
Used in 6 crates (5 directly)

MIT license

135KB
3K 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

~7.5–10MB
~170K SLoC