A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ... (by tokio-rs)

Tokio Alternatives

Similar projects and alternatives to tokio

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better tokio alternative or higher similarity.

tokio reviews and mentions

Posts with mentions or reviews of tokio. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-05.
  • On Implementation of Distributed Protocols
    23 projects | | 5 Apr 2024
    Being able to control nondeterminism is particularly useful for testing and debugging. This allows creating reproducible test environments, as well as discrete-event simulation for faster-than-real-time simulation of time delays. For example, Cardano uses a simulation environment for the IO monad that closely follows core Haskell packages; Sui has a simulator based on madsim that provides an API-compatible replacement for the Tokio runtime and intercepts various POSIX API calls in order to enforce determinism. Both allow running the same code in production as in the simulator for testing.
  • I pre-released my project "json-responder" written in Rust
    11 projects | | 21 Jan 2024
    tokio / hyper / toml / serde / serde_json / json5 / console
  • Cryptoflow: Building a secure and scalable system with Axum and SvelteKit - Part 0
    12 projects | | 4 Jan 2024
    tokio - An asynchronous runtime for Rust
  • Top 10 Rusty Repositories for you to start your Open Source Journey
    11 projects | | 19 Dec 2023
    3. Tokio
  • API Gateway, Lambda, DynamoDB and Rust
    5 projects | | 5 Dec 2023
    The AWS SDK makes use of the async capabilities in the Tokio library. So when you see async in front of a fn that function is capable of executing asynchronously.
  • The More You Gno: Monthly Updates - 6
    8 projects | /r/Gnoland | 30 Nov 2023
    Petar is also looking at implementing concurrency the way it is in Go to have a fully functional virtual machine as it is in the spec. This would likely attract more external contributors to developing the VM. One advantage of Rust is that, with the concurrency model, there is already an extensive library called Tokio which he can use. Petar stresses that this isn’t easy, but he believes it’s achievable, at least as a research topic around determinism and concurrency.
  • Consuming an SQS Event with Lambda and Rust
    7 projects | | 3 Nov 2023
    Another thing to point out is that async is a thing in Rust. I'm not going to begin to dive into this paradigm in this article, but know it's handled by the awesome Tokio framework.
  • netcrab: a networking tool
    4 projects | | 14 Oct 2023
    So I started by using Tokio, a popular async runtime. The docs and samples helped me get a simple outbound TCP connection working. The Rust async book also had a lot of good explanations, both practical and digging into the details of what a runtime does.
  • Thread-per-Core
    3 projects | | 6 Oct 2023
    Regarding the quote:

    > The Original Sin of Rust async programming is making it multi-threaded by default. If premature optimization is the root of all evil, this is the mother of all premature optimizations, and it curses all your code with the unholy Send + 'static, or worse yet Send + Sync + 'static, which just kills all the joy of actually writing Rust.

    Agree about the melodramatic tone. I also don't think removing the Send + Sync really makes that big a difference. It's the 'static that bothers me the most. I want scoped concurrency. Something like <>.

    Another thing I really hate about Rust async right now is the poor instrumentation. I'm having a production problem at work right now in which some tasks just get stuck. I wish I could do the equivalent of `gdb; thread apply all bt`. Looking forward to <> landing at least. It exists right now but is experimental and in my experience sometimes panics. I'm actually writing a PR today to at least use the experimental version on SIGTERM to see what's going on, on the theory that if it crashes oh well, we're shutting down anyway.

    Neither of these complaints would be addressed by taking away work stealing. In fact, I could keep doing down my list, and taking away work stealing wouldn't really help with much of anything.

  • PHP-Tokio – Use any async Rust library from PHP
    7 projects | | 27 Aug 2023
    The PHP <-> Rust bindings are provided by (our fork of with a bunch of UX improvements :).

    php-tokio's integrates the event loop with the event loop; async functionality is provided by the two event loops, in combination with PHP fibers through revolt's suspension API (I could've directly used the PHP Fiber API to provide coroutine suspension, but it was a tad easier with revolt's suspension API (, since it also handles the base case of suspension in the main fiber).

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Basic tokio repo stats
5 days ago

tokio-rs/tokio is an open source project licensed under MIT License which is an OSI approved license.

The primary programming language of tokio is Rust.

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