92 releases (25 breaking)

Uses new Rust 2024

new 0.27.9 Apr 19, 2025
0.27.6 Mar 14, 2025
0.24.5 Dec 2, 2024
0.24.3 Nov 19, 2024
0.3.1 Jul 22, 2023

#2 in #proto

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1,843 downloads per month
Used in 6 crates (5 directly)

MIT license

140KB
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

~7–10MB
~171K SLoC