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rust-lang/crates.io-index

Registry index for crates.io

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What it does

This project is the official catalog for crates.io, the central library marketplace for the Rust programming language, where developers publish and share reusable code packages called 'crates' (think of them like apps in an app store, but for code building blocks). It acts as the master directory that tells Rust's build tool, Cargo, where to find these packages and how they connect to each other.

Why it matters

Crates.io is the backbone of the entire Rust ecosystem, and this index is what makes it function — meaning any company betting on Rust for their products depends on this infrastructure staying healthy and open. With Rust rapidly growing in adoption for performance-critical and security-sensitive software, the health and governance of this registry is a key indicator of the ecosystem's maturity and reliability.

27Active

On the radar — signal detected

Stars
693
Forks
271
Contributors
1
Language
Tcl

Score updated Mar 5, 2026

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