Zig WASM

Open-source Zig projects categorized as WASM

WebAssembly (abbreviated WASM) is a binary instruction format for a stack-​based virtual machine. WebAssembly is an open standard that defines a portable binary-code format for executable programs, and a corresponding textual assembly language, as well as interfaces for facilitating interactions between such programs and their host environment.

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Zig WebAssembly zig-package Ziglang JavaScript
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Top 22 Zig WASM Projects

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WASM

  1. cyber

    Fast and concurrent scripting.

    Project mention: Cyber is a new language for fast, efficient, and concurrent scripting | news.ycombinator.com | 2025-07-03

  2. SaaSHub

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  3. mewz

    A unikernel designed specifically for running Wasm applications and compatible with WASI

  4. zignal

    zero-dependency image processing library

    Project mention: Zignal: A zero-dependency image processing library | news.ycombinator.com | 2025-07-25

  5. zware

    Zig WebAssembly Runtime Engine

  6. cosmic

    A platform for computing and creating applications. (by fubark)

  7. fundude

    Gameboy emulator: Zig -> wasm

  8. zero-graphics

    Application framework based on OpenGL ES 2.0. Runs on desktop machines, Android phones and the web

  9. zig-v8

    Simple V8 builds with C and Zig bindings.

  10. minimal-zig-wasm-canvas

    A minimal example showing how HTML5's canvas, wasm memory and zig can interact.

  11. zigtoys

    All about Zig + WASM and seeing what we can do

  12. ClojureWasm

    A lightweight Clojure runtime in Zig — call WebAssembly from Clojure to tap libraries written in any language.

    Project mention: Clojure, Reimplemented in Zig | news.ycombinator.com | 2026-02-23

  13. nupsx

    Experimental PlayStation 1 emulator

    Project mention: An Experimental PS1 emulator written in Zig | news.ycombinator.com | 2026-05-14

  14. zig-wasm-test

    A minimal Web Assembly example using Zig's build system.

  15. Zigon

    Zigon: A procedural 3D terrain generator and visualizer written in Zig using Raylib

  16. zig-thing

    Small collection of data types/structures, utilities & open-learning with Zig

    Project mention: Thi.ng – open-source building blocks for computational design and art | news.ycombinator.com | 2026-06-07

  17. zorth

    FORTH in Zig

    Project mention: Forth in Zig and WebAssembly | news.ycombinator.com | 2025-10-02

  18. zig-wasm-logger

    A simple implementation of console.log() in Zig + JS + Wasm

  19. zig-wefx

    WEFX is a simple graphics drawing package using Zig, WASM, and an HTML canvas.

  20. dot-minify

    Minimize graphviz DOT graph text in zig

  21. zig-template

    A starter template project for Gamercade in Zig.

  22. circ-compiler

    A small language for building and simulating logic circuits - for people learning how computers work. In the spirit of Nand2Tetris and Petzold's Code.

    Project mention: Circ, a DSL for digital circuits with self-rendering ASCII schematics | news.ycombinator.com | 2026-05-13

  23. zopa

    Policy engine for proxy-wasm. ~50 KB wasm, written in Zig.

    Project mention: Introducing Zopa: a 60 KB authorization engine for proxy-wasm, written in Zig | dev.to | 2026-05-10

    zopa is what I built to fill that slot. A Zig wasm32-freestanding binary, ~60 KB at release. No GC; memory turns over on a per-request arena. It runs on any host that implements proxy-wasm 0.2.1 (Envoy / wasmtime / wamr / v8).

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

Zig WASM discussion

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Zig WASM related posts

  • Cyber is a new language for fast, efficient, and concurrent scripting

    1 project | news.ycombinator.com | 3 Jul 2025

  • Cyber Programming Language

    1 project | news.ycombinator.com | 23 Jun 2025

  • Unlocking Istio's Versatility: A Guide to WASM Plugins in Kubernetes

    5 projects | dev.to | 24 Jul 2023

  • ChatGPT4 can now write entire applications

    3 projects | /r/singularity | 22 Mar 2023

  • Cyber 0.2 - Modules, gamedev, fast strings.

    1 project | /r/ProgrammingLanguages | 23 Feb 2023

  • Cyber 0.2 - A scripting language written in Zig.

    3 projects | /r/Zig | 23 Feb 2023

  • Cyber is a new language for fast, efficient, and concurrent scripting

    1 project | /r/patient_hackernews | 28 Jan 2023
  • A note from our sponsor - SaaSHub
    www.saashub.com | 13 Jun 2026
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Index

What are some of the best open-source WASM projects in Zig? This list will help you:

# Project Stars
1 cyber 1,443
2 mewz 677
3 zignal 449
4 zware 406
5 cosmic 358
6 fundude 201
7 zero-graphics 179
8 zig-v8 165
9 minimal-zig-wasm-canvas 122
10 zigtoys 119
11 ClojureWasm 108
12 nupsx 102
13 zig-wasm-test 57
14 Zigon 53
15 zig-thing 47
16 zorth 20
17 zig-wasm-logger 20
18 zig-wefx 10
19 dot-minify 4
20 zig-template 4
21 circ-compiler 3
22 zopa 0

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