tokio
v1.52.3 StableAn event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications.
Quick Verdict
- ✓Actively maintained (updated 66d ago)
- ✓Stable API (1.x for 10+ years)
- ✓Massive adoption (855.5K crates depend on it)
- ✓Team maintained (3 owners)
- !Heavy dependency tree (36 direct deps)
Security
Deep Insights
62.3M downloads in the last 30 days (2.1M/day). Volume is roughly flat compared to the previous period.
855.5K crates depend on tokio — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
The primary maintainer publishes 195 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
The API has been stable (1.x) for over 10 years with 191 releases. This level of maturity means you can depend on it without worrying about breaking changes.
36 direct dependencies. Consider the impact on compile times and supply chain complexity.
Notable dependents include hyper, futures-util, h2, futures, tokio-util. When high-quality crates choose tokio, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on tokio
