Meta is the project I've been working on for the last 5 months. It's kind of a catch-all for my experiments on projectional editors, extensible environments, programming languages, and whatnot. I've been through two rewrites. The last rewrite re-implements everything from scratch in Rust, including database, editor, compiler, vm, and even a GUI framework. I have no impressive results to show (yet), but here is my journey so far: https://www.alexeyshmalko.com/2020/meta-1/