Open-source HTML 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.

Top 16 HTML WASM Projects

  • webvm

    Virtual Machine for the Web

    Project mention: Ruffle: Flash Player Emulator | | 2023-10-21

    Developer here. CheerpX for Flash runs the Pepper API version of Flash, and you're correct about the license. However, we don't do full Linux emulation just to run Flash - we emulate PPAPI and run the Flash player in an x86 JIT (CheerpX).

    Yuri talks about CXFF's architecture here:

    ...but if you wanted full Linux system emulation, we got it!

  • Templates

    Ready to use Blazor Templates in different styles and layout with all the basic setup already done for MudBlazor. (by MudBlazor)

  • Appwrite

    Appwrite - The open-source backend cloud platform. Add Auth, Databases, Functions, and Storage to your product and build any application at any scale while using your preferred coding languages and tools.

  • deno-dom

    Browser DOM & HTML parser in Deno

  • blazor-samples

    Explore and learn Syncfusion Blazor components using large collection of demos, example applications and tutorial samples

    Project mention: blazor-samples VS NOV-Examples-for-Blazor - a user suggested alternative | | 2023-07-13
  • agewasm

    A simple and secure online client-side Age key generator, encryption and decryption tool built using wasm

    Project mention: Pastebin for secret with (registered) recipient? | /r/selfhosted | 2023-05-23

    agewasm - simple, fully independent, in browser public-cryptography based on well known(and compatible) age.

  • wasm-languages

    How to use WebAssembly in various languages

    Project mention: The Potential of Kotlin/WASM | | 2023-02-13

    Hello world with production artifact and Binaryen optimization produces a 128K Wasm file for now for, but the Kotlin/Wasm team has not tracked those data points recently so there may be footprint regressions to fix. They are going to have a look and also to enable Binaryen by default for production artifacts.

  • wasm-coremark

    CoreMark 1.0 ported to WebAssembly

  • InfluxDB

    Collect and Analyze Billions of Data Points in Real Time. Manage all types of time series data in a single, purpose-built database. Run at any scale in any environment in the cloud, on-premises, or at the edge.

  • cosmicverge

    A systematic, sandbox MMO still in the concept phase. Will be built with Rust atop BonsaiDb and Gooey

  • CSharpWasmBenchmark

    Comparing the performances of C# Runtime, C# Wasm AOT, C# Wasm Interpreted and JavaScript.

    Project mention: ASP.NET Core updates in .NET 8 Preview 4 - .NET Blog | /r/programming | 2023-05-17

    The performance issues are not related to just the DOM and other browser APIs. See for some simple benchmarks.

  • DistributedDrawing

    A distributed drawing tool written in Blazor Wasm that uses an external SignalR Hub to sync drawings between clients.

    Project mention: Keyboard event listeners not working on svg element | /r/Blazor | 2023-06-07

    Also, that is not true. Check out my Blazor SVG Editor or my Blazor real-time drawing demo

  • Financr

    Playing around with mudblazor

    Project mention: Built a little Blazor PWA - saving/pension and loan/mortgage calculator & Grapher. Using MudBlazor and Plotly. | /r/Blazor | 2023-02-10
  • website

    Personal website/blog and experimental apps (by kujenga)

  • hnwasm

    Hacker News clone in .NET 8 Blazor WebAssembly with themes. No dependencies.

    Project mention: HnWasm: A read-only Hacker News clone in Blazor WebAssembly | /r/Blazor | 2023-06-22


  • webassembly-examples

    Example WebAssembly programs

    Project mention: Benchmark : est-ce que ça vaut le coup d'utiliser WebAssembly plutôt que JavaScript ? | /r/programmation | 2023-02-27
  • Smart-Contract-Security-Audits

    Certified Smart Contract Audits for Ethereum, Solana, Near, Cardano, Aptos, Sui, Binance Smart Chain, Fantom, EOS, Tezos by Chainsulting

  • fibonacci_wasm

    Fibonacci wasm package

    Project mention: Web Assembly With Rust | | 2023-01-22


  • Onboard AI

    Learn any GitHub repo in 59 seconds. Onboard AI learns any GitHub repo in minutes and lets you chat with it to locate functionality, understand different parts, and generate new code. Use it for free at

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). The latest post mention was on 2023-10-21.

HTML WASM related posts


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

Project Stars
1 webvm 2,426
2 Templates 590
3 deno-dom 370
4 blazor-samples 262
5 agewasm 55
6 wasm-languages 44
7 wasm-coremark 31
8 cosmicverge 18
9 CSharpWasmBenchmark 18
10 DistributedDrawing 18
11 Financr 7
12 website 7
13 hnwasm 4
14 webassembly-examples 2
15 Smart-Contract-Security-Audits 1
16 fibonacci_wasm 0
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