Xudong Huang May by Xudong-Huang

rust stackful coroutine library

rustcoroutinesgreen-threadsfibersasyncscalabilityioprimitiveshigh-performancegenerator
Verdict 52/100 health $4.13/mo cheapest, hetzner 2/5 setup difficulty

Self-host Xudong Huang May on hetzner CAX11 for $4.13/mo.

Health score
52 /100
6-dim composite
Self-hosts from
$4.13 /mo
hetzner · CAX11
Difficulty
2 /5
Docker + read README
GitHub stars
2.4k
96 forks

About Xudong Huang May

From the project's README at github.com/Xudong-Huang/may. Lightly cleaned for readability; for the full source see the upstream repo.

May is a high-performance library for programming stackful coroutines with which you can easily develop and maintain massive concurrent programs. It can be thought as the Rust version of the popular [Goroutine][go].

Table of contents Features Usage More examples The CPU heavy load examples The I/O heavy bound examples Performance Caveat How to tune a stack size License

Features The stackful coroutine implementation is based on [generator][generator]; Support schedule on a configurable number of threads for multi-core systems; Support coroutine version of a local storage ([CLS][cls]); Support efficient asynchronous network I/O; Support efficient timer management; Support standard synchronization primitives, a semaphore, an MPMC channel, etc; Support cancellation of coroutines; Support grace

Health score breakdown

6-dimension composite. See methodology for formula and weights.

activity
65
maturity
30
community
66
security
70
sustainability
53
adoption
28

Adoption signals

Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.

SignalValueSource
GitHub stars 2.4k github.com/Xudong-Huang/may
GitHub forks 96 github.com/Xudong-Huang/may
CRATES downloads (last month) 9.3k may

Release & maintenance

Is this project actively maintained, or about to die? Check the recency of last commit and last release.

Project age9.1 yearssince Mar 2017
Last commit5 months agoNov 26, 2025

Self-hosting cost across providers

Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.

ProviderPlanSpecsMonthly
hetzner CAX11 2c · 4GB · 40GB $4.13 USD Deploy →
vultr VC2 1c · 1GB · 25GB $5 USD Deploy →
linode Nanode 1GB 1c · 1GB · 25GB $5.12 USD Deploy →
digitalocean Basic Regular 1GB 1c · 1GB · 25GB $6 USD Deploy →

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Data last refreshed May 7, 2026.

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