While the main showcase of WebAssembly initially was the web browser, there is new exciting work on using it outside too. Here is a list of WebAssembly runtimes that are compatible with Rust.
Pure Rust runtime for Lucet WebAssembly toolchain
Wasmer runtime library
High-level API to expose the Wasmtime runtime
Runtime for executing Rust procedural macros compiled as WebAssembly.
Do you know something we don't?
Did we miss an important crate? Or maybe you just recently launched something that should be listed here, too? Let us know!