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smol-rs/smol

Some data may be outdated — see provenance labels.

A small and fast async runtime for Rust observed · 2026-09-29

github.com/smol-rs/smol · Rust · Apache-2.0 (permissive) observed · 2026-09-29

Health v2 · maintenance only

62/100

  • Activity 87
  • Release rhythm 8
  • Longevity 100
How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-10-21. Adoption (stars, forks) is never an input.

  • gap_med: n/a
  • age_days: 2450
  • days_rel: n/a
  • days_push: 78
  • n_releases_24m: 0

Full methodology

Adoption not part of the score

5079 stars · 197 forks observed · 2026-09-29

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

smol is a small and fast async runtime for Rust that re-exports a set of composable async crates (executor, I/O, networking, locks, channels). It provides a lightweight alternative to larger runtimes like Tokio.

Use cases

  • run async Rust code with a lightweight runtime
  • async TCP/UDP networking in Rust
  • async file system operations
  • build custom async executors
  • run async processes and timers without Tokio

When to avoid

  • your project depends on the Tokio ecosystem of libraries
  • you need a runtime with extensive middleware and ecosystem tooling

Facets

library · maturity stable

concurrency networking http-client file-system developer-tools networking backend rust cross-platform windows async-runtime futures executor lightweight linux macos

2 sources

Member repositories

RepositoryRoleHealth v2
smol-rs/smolmain62

For agents

markdown · JSON · MCP: product_card(name="smol-rs/smol")

Data as of 2026-10-19T08:05:51.212177+00:00 · Report a problem