proto

proto is a pluggable next generation version manager for multiple programming languages and their dependency managers. However, we prefer the term toolchain manager!

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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, allowing for custom tooling.

Supported languages

• Bun
• Deno
• Go
• Node.js (and npm, pnpm, yarn)
• Rust
• ... and more via plugins!