Extism

extism

The framework for building with WebAssembly (wasm). Easily load wasm modules, move data, call functions, and build extensible apps.

go-sdk

Extism Go SDK

js-pdk

Write Extism plugins in JavaScript & TypeScript

js-sdk

Run Extism WebAssembly plug-ins / functions from JavaScript (supports major browsers, Node.js, Deno, Bun, and Cloudflare Workers)

go-pdk

Extism Plug-in Development Kit (PDK) for Go

rust-pdk

Extism Plug-in Development Kit (PDK) for Rust

dotnet-pdk

Extism Plug-in Development Kit (PDK) for C# and F#

zig-pdk

Extism Plug-in Development Kit (PDK) for Zig

dotnet-sdk

Extism .NET Host SDK

java-sdk

Extism Java Host SDK

cli

The extism CLI is used to manage Extism installations

lean4-sdk

Extism Lean 4 Host SDK

ocaml-sdk

Extism OCaml Host SDK

python-sdk

Extism Python Host SDK

zig-sdk

Extism Zig Host SDK

assemblyscript-pdk

Extism Plug-in Development Kit (PDK) for AssemblyScript

php-sdk

Extism PHP Host SDK

plugins

A collection of plugins for demoing and testing Extism

ruby-sdk

Extism Ruby Host SDK

proposals

Home for all EIPs (Extism Improvement Proposals), specification proposals and such for consideration

chicory-sdk

Experimental Java SDK based on the Chicory Runtime

haskell-pdk

Extism Plug-in development kit (PDK) for Haskell

haskell-sdk

Extism Haskell Host SDK

extism-pql

RunReveal's PQL compiler as an Extism plugin.

perl-sdk

Extism Perl Host SDK

extism-csv-to-usv

Run the `csv-to-usv` Rust crate library function from any of 15+ Extism supported languages: https://github.com/extism/extism

extism-fsnotify

Example showing extensibility built into a file system.

.github

js-pdk-template

Starter template for generating an Extism plugin using the JavaScript PDK

rust-pdk-template

Starter template for generating an Extism plugin using the Rust PDK