Nominating flutter_rust_bridge. It is a high-level memory-safe binding generator for Flutter/Dart <-> Rust. With this crate, you can use Rust together with Flutter, a cross-platform hot-reload rapid-development UI toolkit, seamlessly.
It is not only memory-safe and high-level, but also features zero-copy, async support, easy to use, lightweight, easy to code-review, and pure-Dart compatible.
Related: Previous discussion in Reddit https://www.reddit.com/r/rust/comments/q0wrhr/anyone_interested_in_opensourcing_highlevel/