







WebAssembly Core Specification
Please check the errata for any errors or issues reported since publication.
extism/extism
The framework for building with WebAssembly (wasm). Easily & securely load wasm modules, move data, call functions, and build extensible apps.
extism/extism
The framework for building with WebAssembly (wasm). Easily & securely load wasm modules, move data, call functions, and build extensible apps.
Rust - The WebAssembly Component Model
Rust has first-class support for WebAssembly core and WebAssembly components via the available targets in the toolchain:
WebAssembly and its platform targets
When talking about WebAssembly, one of the things that often confuses people is the lack of a great analogy for the various platform targets that WebAssembly supports. This ends up being a bit important as it dictates whether your WebAssembly code will (not) work with another bit as it all
missing the point of webassembly — wingolog
wingolog: article: missing the point of webassembly
A Tale of Three WebAssembly Runtimes
Walking through the implementation of three different WebAssembly runtimes from scratch

WebAssembly
WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications.
Why is WebAssembly a second-class language on the web? – Mozilla Hacks - the Web developer blog
This post is an expanded version of a presentation I gave at the recent WebAssembly CG meeting in Munich. WebAssembly has come a long way since its first release in 2017. The 1.0 version of WebAssembly was already a great fit for low-level languages like C and C++, and immediately enabled many new kinds of applications to efficiently target the web.

Semble — Make sense of the web, together
A place for mapping the web, connecting ideas, and building shared knowledge.
Instructions — WebAssembly 3.0 (2026-06-03)
WebAssembly computation is performed by executing individual instructions.
Wasm 2.0 Completed - WebAssembly
WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications.
Wasm 3.0 Completed - WebAssembly
WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications.

DASL: Web Tiles

Web Tiles

Nothing new under the sun: everything is a file
A Social Filesystem — overreacted

File Over App: A Philosophy for Digital Longevity
Ejectable Apps