Crate

toml

TOML serialization and deserialization via serde.

What it is

The toml crate parses TOML (Tom's Obvious Minimal Language) configuration files and serializes Rust values back to TOML text. It integrates with serde so any #[derive(Deserialize)] struct can be populated directly from a TOML string.

Why it is commonly used

Used for configuration file parsing throughout the Rust ecosystem — Cargo.toml itself is TOML, and tools, services, and CLI applications commonly adopt TOML for human-editable configuration.

1.7k

Repositories

91%

Actively maintained

1.5k

Updated ≤ 30 days

4.9M

Total stars

1.5k

Owners

Counted from the Cargo.toml manifests of the 1.7k indexed repositories that declare toml as a dependency — not download counts. Dependency data last verified 2026-08-13.

Browse 1683 repositories using toml in Repos →

Often used with

Crates that show up unusually often in toml projects. The most distinctive pairings rank first — crates these projects use far more than the average indexed Rust project does, not just crates that are popular everywhere. Each percentage is the share of toml projects that also use it.

toml_edit14.5%dialoguer10.2%clap_complete20%which15.4%ignore12.4%directories10.7%humantime10.6%semver22.8%tar21.2%ratatui19.2%notify19.5%glob18.5%unicode-width13.5%crossterm22.9%opentelemetry-otlp11.6%opentelemetry_sdk12.1%walkdir25.2%colored15%blake311.9%dirs35.2%schemars17.2%opentelemetry13%tracing-appender13%lru10.8%

Used by these organizations

Cloudflare Mozilla AWS Microsoft Google Oxide Computer Parity Technologies Zed Industries Turso PingCAP SurrealDB The Rust Project Fuel Labs Astral Tauri OpenAI Union Warp Alacritty Starship Meilisearch Rerun Tokio Bevy Engine Bytecode Alliance Nushell Quickwit Datadog Actix gfx-rs probe-rs Helix Zellij PyO3 Wasmer Typst Tracel AI Rust CLI WG Diesel rustls esp-rs Paradigm

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