28 releases (10 breaking)

Uses new Rust 2024

new 0.12.5 May 14, 2025
0.12.3 Mar 19, 2025
0.8.0 Dec 3, 2024
0.7.1 Oct 22, 2024
0.1.0 Dec 18, 2023

#772 in Development tools

Download history 661/week @ 2025-01-22 515/week @ 2025-01-29 350/week @ 2025-02-05 409/week @ 2025-02-12 501/week @ 2025-02-19 521/week @ 2025-02-26 691/week @ 2025-03-05 430/week @ 2025-03-12 666/week @ 2025-03-19 449/week @ 2025-03-26 387/week @ 2025-04-02 450/week @ 2025-04-09 353/week @ 2025-04-16 209/week @ 2025-04-23 392/week @ 2025-04-30 217/week @ 2025-05-07

1,247 downloads per month
Used in proto_cli

MIT license

63KB
1.5K 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

~20–35MB
~552K SLoC