Loco

Tokio

tokio-rs/tokio

Popular

De facto async runtime for Rust, providing I/O, timers, scheduling and networking primitives.

Axum

tokio-rs/axum

TrendingPopular

Ergonomic, modular web framework from the Tokio team built on Tower and hyper; the leading Rust choice.

Actix Web

actix/actix-web

Mature, extremely fast web framework with a large middleware ecosystem.

Serde

serde-rs/serde

Popular

Framework for serializing and deserializing Rust data structures efficiently and generically.

hyper

hyperium/hyper

Low-level, correct and fast HTTP/1 and HTTP/2 implementation used by most Rust HTTP stacks.

Tower

tower-rs/tower

Composable service and middleware abstractions (timeouts, retries, limits) shared by Axum and Tonic.

Rocket

rwf2/Rocket

Macro-driven web framework emphasizing type safety and ergonomics; slower release cadence lately.