# Coi

17 Hacker News commenters recommended Coi and 1 criticized it, November 2025 to November 2026. It was recommended in 2 of 13 months.

**Verdict:** Coi is a high-level language that compiles to WASM, praised for simpler UI code and efficient compute. Critics find its syntax unusual and question some claims.

## Why people recommend it

- Enthusiastic praise for the project (5 comments): "Nice work ! Thanks for shating" ([source](https://news.ycombinator.com/item?id=46742398)) "I love the idea and execution" ([source](https://news.ycombinator.com/item?id=46743488)) "This looks quite promising." ([source](https://news.ycombinator.com/item?id=46742947))
- Better developer experience and simpler code (2 comments): "I built Coi to make the development process more enjoyable (better DX) while keeping the efficiency" ([source](https://news.ycombinator.com/item?id=46743270)) "For new code, writing Coi directly is simpler" ([source](https://news.ycombinator.com/item?id=46744815))
- Efficient compute and data processing (2 comments): "The real advantage comes when you have compute-intensive operations, data processing, image manipulation, numerical algorithms, etc." ([source](https://news.ycombinator.com/item?id=46743138)) "I built Coi to make the development process more enjoyable (better DX) while keeping the efficiency" ([source](https://news.ycombinator.com/item?id=46743270))
- Clean high-level UI language (2 comments): "a language rework for UI's that actually makes sense and incorporates all that we've learned in the modern age about UI code" ([source](https://news.ycombinator.com/item?id=46742922)) "WebCC is a low-level toolkit – Coi is a high-level language that compiles to it" ([source](https://news.ycombinator.com/item?id=46743864))

## What people warn about

- Unusual HTML-like syntax hard to parse (2 comments): "I don't like this html-syntax, cause you use a separate syntax-methods for existing js-functions wrapped as html-tags" ([source](https://news.ycombinator.com/item?id=46742953)) "this looks kinda cursed, makes me wonder how it's even parsed" ([source](https://news.ycombinator.com/item?id=46754054))

## Alternatives hackers recommend

- [Rust](https://hackerapproved.com/p/rust.md): 2039 recommend
- [Go](https://hackerapproved.com/p/go-programming-language.md): 1254 recommend
- [Python](https://hackerapproved.com/p/python.md): 1067 recommend
- [Zig](https://hackerapproved.com/p/zig.md): 743 recommend
- [TypeScript](https://hackerapproved.com/p/typescript.md): 574 recommend

## Cite as

Hacker Approved, "Coi", https://hackerapproved.com/p/coi/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).