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MIO Alternatives
Similar projects and alternatives to MIO
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tokio
A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ...
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sqlx
🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite. (by transact-rs)
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PixiJS
The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.
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bgfx
Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.
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glommio
Glommio is a thread-per-core crate that makes writing highly parallel asynchronous applications in a thread-per-core architecture easier for rustaceans.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better MIO alternative or higher similarity.
MIO discussion
MIO reviews and mentions
Posts with mentions or reviews of MIO.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-02-21.
- Cot: The Rust web framework for lazy developers
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What's the canonical way of doing it in rust?
Was playing around with mio (https://github.com/tokio-rs/mio) (not that mio itself is very important here!) and was trying to implement a simple something that I've done in java before: a Reactor that you can register ReactorClients with that will get callback whenever there are events on the corresponding socket etc.
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RFC: A non-blocking networking library for Rust
How does it compare to mio?
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How does the Rust mio crate implement deregistering connections?
TcpStream gets its wake behavior by delegating to the fd wakers. The Unix wakers have a few implementations, for different platforms. On Linux and Android, epoll is used.
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Looking for Tokio's event loop source code
The real implementation details of the I/O event queue is done in mio as u/hniksic pointed out, but that's more comparable with libuv which is certainly a huge part of the Node runtime. mio and libuv have a lot of similarities (at least they used to).
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Python multi-level break and continue
My example was "twice by one developer", not "twice across all indexed repos."
A spot check shows that quite a few in your link are used specifically to ensure correct handling of Rust multi-level breaks work syntax, like https://github.com/rust-lang/rust-analyzer/blob/master/crate... , https://github.com/rust-lang/rustfmt/blob/master/tests/sourc... , https://github.com/rust-lang/rust/blob/master/src/tools/rust... , https://github.com/rust-lang/rust/blob/master/src/tools/rust... and likely more.
Another is a translation of BASIC code to Rust, using break as a form of goto. https://github.com/coding-horror/basic-computer-games/blob/e...
The example at https://github.com/tokio-rs/mio/blob/master/tests/tcp.rs is a nice one
// Wait for our TCP stream to connect -
Crates to help with event-loop type pattern?
In my program, I have about 6 different components that follow the pattern below. Basically, the components run a thread while polling on crossbeam channels, file descriptors or sockets. For polling, I am using Mio (https://github.com/tokio-rs/mio).
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Ask HN: Has any Rust developer moved to embedded device programming?
On the code side it's pretty much the same as C++. You have a module that defines an interface and per-platform implementations that are included depending on a "configuration conditional checks" #[cfg(target_os = "linux")] macro.
https://github.com/tokio-rs/mio/blob/c6b5f13adf67483d927b176...
- Mio - Metal io library for rust
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`wasm32-wasi` support added to Tokio
Made possible by Wasi support for Mio https://github.com/tokio-rs/mio/pull/1576
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A note from our sponsor - SaaSHub
www.saashub.com | 13 Jun 2026
Stats
Basic MIO repo stats
22
7,019
7.9
16 days ago
tokio-rs/mio is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of MIO is Rust.
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