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Smol Alternatives
Similar projects and alternatives to smol
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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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tokio
A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ...
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webview
Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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AspNetCoreDiagnosticScenarios
This repository has examples of broken patterns in ASP.NET Core applications
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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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Github-Ranking
:star:Github Ranking:star: Github stars and forks ranking list. Github Top100 stars list of different languages. Automatically update daily. | Github仓库排名，每日自动更新
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rio
pure rust io_uring library, built on libc, thread & async friendly, misuse resistant (by spacejam)
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riker
Easily build efficient, highly concurrent and resilient applications. An Actor Framework for Rust.
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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 smol alternative or higher similarity.
smol discussion
smol reviews and mentions
Posts with mentions or reviews of smol.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-09-25.
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The State of Async Rust
My understanding is you always need a runtime, somethings needs to drive the async flow. But there are others on the market, just not without the.. market domination... of tokio.
https://github.com/smol-rs/smol looks promising simply for being minimal
https://github.com/bytedance/monoio looks potentially easier to work with than tokio
https://github.com/DataDog/glommio is built around linux io_uring and seems somewhat promising for performance reasons.
I haven't played with any of these yet, because Tokio is unfortunately the path of least resistance. And a bit viral in how it's infected tings.
- Smol: A small and fast async runtime for Rust
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Tokio for FFI app?
There is also https://github.com/smol-rs/smol which has components which you can compose into your own executor if you still need async IO but your usage patterns don't fit into the general purpose ones that Tokio provides.
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Tokio application structure, critical code flow.
If you need precise control over scheduling, consider building something on top of https://github.com/smol-rs/smol
- Async Rust: What is a runtime? Here is how tokio works under the hood
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18 factors powering the Rust revolution, Part 2 of 3
Tokio is a "take what you need" framework, whilst Async-std started as an "everything the box" solution. Today both have a lot of crossover with micro async runtimes like smol becoming the foundation one of framework and optionally usable in the other. The ability to rip out a small dependent sub-crate (dependent package) like smol and use it independently with ease never get's boring, by the way. It's great way to include a test runtime in an async library without forcing the inclusion of a giant async framework.
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[Question] Is Tokio a poor fit for non-network related concurrent applications?
Helix uses tokio. smol might be a good alternative however.
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Async feedback from 2 years of usage
No, still active on GitHub. What gave you that idea? https://github.com/smol-rs/smol
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Tokio, the async runtime for Rust, hits 1.0
Found the issue in Google cache. I'm not sure it's really fair of me to post this link here, but equally I think it's better to give the actual text rather than leave it vague.
https://webcache.googleusercontent.com/search?q=cache:PRjMyv...
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A note from our sponsor - InfluxDB
www.influxdata.com | 18 Jun 2025
Stats
Basic smol repo stats
9
4,224
5.3
22 days ago
smol-rs/smol is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of smol is Rust.
Sponsored
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.
www.influxdata.com