ReX vs uniffi-rs

ReX

ReX - typesetting mathematics (by ReTeX)

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uniffi-rs

a multi-language bindings generator for rust (by mozilla)

ffi-layer rust-crate

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mozilla.github.io

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ReX		uniffi-rs
	Project
1	Mentions	26
119	Stars	2,301
3.4%	Growth	2.4%
10.0	Activity	9.5
almost 4 years ago	Latest Commit	about 11 hours ago
Rust	Language	Rust
-	License	Mozilla Public License 2.0

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

ReX

Posts with mentions or reviews of ReX. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-10-11.

Whats your favourite open source Rust project that needs more recognition?
66 projects | /r/rust | 11 Oct 2021

I'm not sure if it counts since the author's repo doesn't compile on a current rustc, and the last update was more than a year ago, but there's ReX, a program for typesetting mathematics in pure Rust. grapheia's fork seems more active though, and last time I checked it did compile.

uniffi-rs

Posts with mentions or reviews of uniffi-rs. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-07.

Opaque Types for UniFFI
3 projects | dev.to | 7 Mar 2024

On my youtube series "Growing up Rust", I'm building a personal CRM in Rust with a Swift frontend. I'm using CQRS and an event-driven architecture with the least amount of swift as possible. I'm using UniFFI to generate the bindings for swift (and in this example python)
Willow Protocol
7 projects | news.ycombinator.com | 17 Jan 2024

Not officially. We currently have bindings for rust, python, golang and swift.
These were the most asked for bindings (python for ml, golang for networking and swift for ios apps).
We are using uniffi https://mozilla.github.io/uniffi-rs/
Would you need C or C++ bindings?
UniFFI: Automatically generate foreign-language bindings for Rust libraries
1 project | news.ycombinator.com | 30 Nov 2023
Compiling Rust for .NET, using only tea and stubbornness
4 projects | news.ycombinator.com | 29 Aug 2023
Show HN: Pip Imports in Deno
6 projects | news.ycombinator.com | 11 Aug 2023

An alternative is metacall. The example in the readme is about calling Python from Javascript, but it also works with other languages, like Ruby, C#, Java, and other languages
https://github.com/metacall/core
List of supported languages here https://github.com/metacall/core/blob/develop/docs/README.md...
In the future, maybe webidl (or extensions of it) will bring interoperability between languages too. At the moment there is https://mozilla.github.io/uniffi-rs/ for interoperability between Rust and a number of languages (basically the ones mozilla needs: Swift, Kotlin, Javascript)
ffizz: Build a Beautiful C API in Rust
6 projects | dev.to | 20 Jun 2023

The tooling for the first kind -- calling Rust from another language -- is a bit less developed, and tends to rely on code generation that doesn't necessarily produce a natural C API. cbindgen, uniffi, cxx, and Diplomat all take this course.
macOS Apps in Rust
8 projects | news.ycombinator.com | 13 May 2023

Mozilla's uniffi-rs is really good. You write a common IDL and the bindings are generated automatically.
https://github.com/mozilla/uniffi-rs
Write SDK “base” in Rust, wrap in other languages?
11 projects | /r/rust | 31 Mar 2023

At Mozilla we built a multi-language bindings generator: https://github.com/mozilla/uniffi-rs/
An experiment in the Rust compiler to begin devising a new cross-language ABI that's higher-level than the C ABI, with the goal of safer and easier FFI
2 projects | /r/rust | 26 Dec 2022

Is there a connection with Mozilla UniFFI ?
Tauri now supports Android/iOS in the 2.0 branch!
3 projects | /r/rust | 9 Dec 2022

Rust <> Swift/ Kotlin works very well with uniffi-rs by Mozilla: https://github.com/mozilla/uniffi-rs

What are some alternatives?

When comparing ReX and uniffi-rs you can also consider the following projects:

just - 🤖 Just a command runner

flutter_rust_bridge - Flutter/Dart <-> Rust binding generator, feature-rich, but seamless and simple.

spotify-tui - Spotify for the terminal written in Rust 🚀

rust-android-gradle

Rust-Bio - This library provides implementations of many algorithms and data structures that are useful for bioinformatics. All provided implementations are rigorously tested via continuous integration.

PyO3 - Rust bindings for the Python interpreter

volta - Volta: JS Toolchains as Code. ⚡

cxx - Safe interop between Rust and C++

wasmer-go - 🐹🕸️ WebAssembly runtime for Go

glommio - Glommio is a thread-per-core crate that makes writing highly parallel asynchronous applications in a thread-per-core architecture easier for rustaceans.

buttplug-rs - Rust Implementation of the Buttplug Sex Toy Control Protocol

flume - A safe and fast multi-producer, multi-consumer channel.