{"data":{"slug":"tokio","name":"Tokio","tagline":"Async runtime for Rust","category":"rust","categoryName":"Rust","url":"https://tokio.rs","github":"https://github.com/tokio-rs/tokio","pricing":"open-source","hook":"Tokio is the async foundation everything Rust builds on.","whatsGood":"Battle-tested at scale by Discord, Cloudflare, and more. The ecosystem (Axum, Tonic, Tower) is comprehensive. Work-stealing scheduler is efficient. The documentation is excellent.","theCatch":"Async Rust has a learning curve. Stack traces are confusing. Some patterns from other languages do not translate.","verdict":"The async runtime that powers production Rust.","addedAt":"2026-08-19","featured":false,"domain":"Rust","subSpecialty":"Systems","capabilities":[],"surfaces":["Self-host"],"ecosystem":["Rust"],"licenseModel":"OSS/MIT","githubStars":33058},"related":[{"slug":"rust-lang","name":"Rust","tagline":"Systems programming without the footguns"},{"slug":"axum","name":"Axum","tagline":"Web framework from the Tokio team"},{"slug":"actix-web","name":"Actix Web","tagline":"Fast Rust web framework"},{"slug":"serde","name":"Serde","tagline":"Serialization framework for Rust"},{"slug":"sqlx","name":"SQLx","tagline":"Compile-time checked SQL for Rust"}],"links":{"self":"/api/gems/tokio","html":"/gems/tokio","markdown":"/gems/tokio.md","category":"/api/gems?category=rust","categoryPage":"/stacks/rust"}}