Port a Classic Java App to Rust
Free 12 lessons
Ends in one 7.4 MB binary.
Courses
This app is where accounts, progress, and paid courses live. Course landing pages and free lessons are also on mikezupper.com.
From JPetStore, Aug 12, 2026
Ship the Port: Deploy Rust to a Server You Own
$5 9 lessons
Ends in a 7.7 MB FROM scratch image on a VPS.
From Chess, Aug 13, 2026
Build a Chess Game with Rust and WebAssembly
Free 14 lessons
A Rust engine in WebAssembly, a Lit board, 54 tests.
From DuckDB, Aug 15, 2026
SQL in the Browser: DuckDB WASM from Scratch
Free 9 lessons
A 34 MB wasm SQL engine, about 7.7 MB gzipped, in a browser tab.
A Reactive Dashboard with Lit and Signals
Free 11 lessons
Twelve Lit components on a TC39 signals store.
Testing the Untestable: Workers, WASM, and Shadow DOM
$5 7 lessons
Real browsers, real WebAssembly, real workers.