Wasmer is a fast and secure WebAssembly runtime that enables super lightweight containers to run anywhere: from Desktop to the Cloud, Edge and IoT devices.
Wasmcraft is a compiler from WebAssembly to Minecraft Java Edition datapacks. Since WebAssembly is a well-supported target for many languages, this means that you can run code written in e.g. C in Minecraft.
A Rust library that provides Rust to WebAssembly developers with syntax for running self-defined host functions when their Wasm is being executed on WasmEdge (formerly SSVM).