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May Alternatives
Similar projects and alternatives to may
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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zig
General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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tokio
A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ...
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runtimelab
This repo is for experimentation and exploring new ideas that may or may not make it into the main dotnet/runtime repo.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better may alternative or higher similarity.
may discussion
may reviews and mentions
Posts with mentions or reviews of may.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-03-25.
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Why choose async/await over threads?
https://github.com/Xudong-Huang/may
The project has some serious restrictions and unsound footguns (e.g. around TLS), but otherwise it's usable enough. There are also a number of C/C++ libraries, but I can not comment on those.
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Asynchronous Clean-Up (in Rust)
> e.g. Linux mutexes
You don't want to use blocking mutexes anyway with async.
> or Rust's Rc
This is only half true. The danger is that two `Rc` that point to the same data are in different threads. But it should be safe to move all of them at once from one thread to another, which is exactly the case if all the `Rc`s involved live inside a `Future`. The problem is that this is a non-local property that's hard to encode in the type system.
> By the way, if you wish to test uncolored async in Rust, you can find an implementation here: https://github.com/Xudong-Huang/may .
FYI that's known to be unsound due to thread locals. And more generally it doesn't seem to give much attention to safety (see for example how it allowed unsound scoped tasks, or the fact it allows doing unsafe operations in some of its macros due to wrong scoping of `unsafe` blocks).
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What's the Benefit/Allure of Async/Await vs. CSP/Green Threads (and Other Concurrency Models)?
It seems that rust removed native green threads as against it's philosophy: https://stackoverflow.com/questions/29428318/why-did-rust-remove-the-green-threading-model-whats-the-disadvantage#29430403 but there are good CSP libraries e.g. https://github.com/Xudong-Huang/may and yet people really like e.g. Tokio for Async/Await (although it also has greenthreads!) What am I missing?
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Async Rust Is A Bad Language
Can you admit that you failed in making it a pleasant experience to write async, especially for library authors? I don’t think it’s too late to admit failure and implement something like May https://github.com/Xudong-Huang/may
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How Much Memory Do You Need to Run 1 Million Concurrent Tasks?
Your benchmark is comparing apples to oranges, you're benchmarking different things. If you wanted to compare a Rust solution to something like what Go does, you would need to use something like this library.
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Can this new algorithm of Kotlin async be applied to Rust?
Yep. This is the best coroutine library right now https://github.com/Xudong-Huang/may
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async fn calls can lead to surprising performance problems if they are nested too deeply
I am still intrigued by the stackful coroutine library, May https://github.com/Xudong-Huang/may. I would like to see how far this library can push the boundaries of being a higher level alternative to async
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Goroutine equivalent
There is also "may" which attempts to be a Rust version of goroutines. I have not used it though, so can't comment on anything further about it.
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Virtual Threads in Rust?
This library https://github.com/Xudong-Huang/may implement Stackful Coroutines in Rust which I believe is pretty close to what you're asking about. I believe it's a reasonably complete implementation, but it doesn't have much traction because most of the Rust ecosystem is using either async/await or native threads.
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Working with Strings in Rust
I've never worked with C# so I need to look into that.
The one saving grace with Rust is if everyone decides to say "screw async" and just builds synchronous APIs, then we use something like [May](https://github.com/Xudong-Huang/may) for green threading.
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A note from our sponsor - InfluxDB
www.influxdata.com | 14 Jul 2025
Stats
Basic may repo stats
17
2,132
8.2
2 months ago
Xudong-Huang/may is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of may is Rust.
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