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Top 23 Rust Async Projects
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To find answers, we wanted to get our hands dirty with three popular Rust web frameworks including rocket, axum, and actix, and get a feeling for their performance, features, and most importantly the developer experience.
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Project mention: Gitui release 0.27 adds simple management of remotes | news.ycombinator.com | 2025-01-15
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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 launchbadge)
Because type correctness does not imply branch correctness. SQL has side effects of interpretation, and any string/query builder that is not aware of grammatical implications should be avoided in my opinion.
Check the query builder of sqlx [1]
[1] https://github.com/launchbadge/sqlx/blob/main/sqlx-core/src/...
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On the Rust side, we need to use tonic to generate gRPC-related code. This part is not the focus and is quite simple, so I won't elaborate; you can check the documentation yourself. Essentially, you write a build.rs file, and tonic-build will automatically compile the proto file into Rust code, which we can then use in our Rust code.
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Embassy got _some_ support for rp2350 for quite some time now
https://github.com/embassy-rs/embassy
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
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Project mention: Rustpad is an efficient and minimal open-source collaborative text editor | news.ycombinator.com | 2024-09-17
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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.
Project mention: Gazette: Cloud-native millisecond-latency streaming | news.ycombinator.com | 2024-08-07I feel a bit paralyzed by Fear Of Missing Io_Uring. There's so much awesome streaming stuff about (RisingWave, Materialize, NATS, DataFusion, Velox, many more), but it all feels built on slower legacy system libraries.
It's not heavily used yet, but Rust has a bunch of fairly high visibility efforts. Situation sort of feels similar with http3, where the problem is figuring out what to pick. https://github.com/tokio-rs/tokio-uring https://github.com/bytedance/monoio https://github.com/DataDog/glommio
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mlua
High level Lua 5.4/5.3/5.2/5.1 (including LuaJIT) and Luau bindings to Rust with async/await support
This is already available as an optional Lua target in mlua [0]. I recently built a programmable server for Server-Sent Events scriptable with Lua [1]. I chose Lua 5.4, but it's trivial to switch it to LuaJIT, or really any other Lua derivative including Roblox Luau. It's just a matter of enabling the mlua feature you want.
[0] https://github.com/mlua-rs/mlua
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riker
Easily build efficient, highly concurrent and resilient applications. An Actor Framework for Rust.
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Project mention: Celebrating 6 years since Valve announced Steam Play Proton for Linux | news.ycombinator.com | 2024-08-22
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Rust Async discussion
Rust Async related posts
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Rust on the RP2350
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Embassy: Modern embedded framework, using Rust and async
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Rust async framework for embedded systems
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Serverless semantic search - AWS Lambda, AWS Bedrock, Neon
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Embassy: Replacing RTOS with a Rust async scheduler
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Building a real-time chat using WebSockets over HTTP/2 streams
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Show HN: Whirlwind – Async concurrent hashmap for Rust
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Index
What are some of the best open-source Async projects in Rust? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | actix-web | 22,757 |
| 2 | gitui | 19,436 |
| 3 | sqlx | 14,557 |
| 4 | tonic | 10,768 |
| 5 | embassy | 6,637 |
| 6 | smol | 4,112 |
| 7 | async-std | 4,029 |
| 8 | console | 3,888 |
| 9 | rustpad | 3,685 |
| 10 | salvo | 3,660 |
| 11 | glommio | 3,237 |
| 12 | volo | 2,357 |
| 13 | Gotham | 2,263 |
| 14 | ntex | 2,268 |
| 15 | mlua | 2,077 |
| 16 | may | 2,061 |
| 17 | zee | 1,546 |
| 18 | kanal | 1,514 |
| 19 | zmq.rs | 1,234 |
| 20 | lapin | 1,102 |
| 21 | riker | 1,053 |
| 22 | heim | 911 |
| 23 | oxker | 887 |
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