- Backends: Kotlin (on JVM)

- Web frontend: TypeScript (maybe Gleam in the future!?)

- Fast performance and iteration if I want a binary: Kotlin (native compiled)

- Blazingly fast and good for WASM: Rust

- languages that I keep an eye on: Gleam, Zig, Odin

- languages that I will never touch: C, C++

- languages that I think are quaint: OCamel, Lisp, Haskel

- languages that I have used in the past and that are fine: Dart

- languages that I have used in the past and that are ok: Java (if it had nullability, it'd be fine)