Take WebAssembly to production & keep it there.

Introducing... 👀Observe SDK

The Observe SDK provides first-of-kind observability tools for WebAssembly (Wasm), enabling continuous monitoring of WebAssembly code as it executes within a runtime.

Solutions for Wasm users in:

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Running WebAssembly in the cloud or on the edge comes with incredible benefits, as well as unique challenges.

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Secure, isolated execution paired with a universal binary format makes plug-ins a natural fit for WebAssembly.

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Browser Tech

Despite being the original home for WebAssembly, the browser can still be a complex environment to integrate with.

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Web3 & Blockchain

Powerful and programmable networks leverage WebAssembly for smart contract execution.


Extism is the open source, universal plug-in system. Make all software programmable. Powered by WebAssembly.


Modsurfer provides ops & dev teams with a system-of-record + diagnostics application to search, browse, and investigate modules.

From the Blog

Announcing our SDK & PDK for building and running Wasm plugins in your .NET 8 apps

Isomorphic .NET Support in Extism

by: Muhammad Azeez


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A developer toolchain enhanced by WebAssembly-Powered Plugins

DX Spotlight: proto by moonrepo

by: Dominique Saulet


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How to create secure, cross-platform static executables from WebAssembly modules

Introducing 'Hermit': Actually Portable Wasm

by: Steve Manuel, Gavin Hayes


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A look at how Shopify helps partners develop and optimize their WebAssembly Functions

DX Spotlight: Shopify's Function Runner

by: Steve Manuel


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An exploration of how Extism makes it easy to use WebAssembly

Why Extism?

by: Rob Wong


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WASMCon 2023: A Rising Tide

by: Dominique Saulet, Chris Dickinson


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Exploring how to run formally verified code in a WebAssembly sandbox

Formally verified WebAssembly using Coq and Extism

by: Zach Shipko


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Understanding how to use WASI Command and Reactor WebAssembly Modules

WASI Command and Reactor Modules

by: Rob Wong, Zach Shipko, Gavin Hayes


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