The Universal Plug-in System. make all software programmable. Extend from within. Extend anything with WebAssembly (wasm).

Run WebAssembly extensions inside your app. Use idiomatic Host SDKs for Go, Ruby, Python, Node, Rust, C, C++, OCaml, Haskell, PHP, Elixir/Erlang, .NET, Java, Zig & more (others coming soon).

Extism @ GitHub.

DuckDB is an in-process SQL OLAP database management system.

DuckDB is a high-performance analytical database system. It is designed to be fast, reliable, portable, and easy to use. DuckDB provides a rich SQL dialect, with support far beyond basic SQL
DuckDB supports arbitrary and nested correlated subqueries, window functions, collations, complex types (arrays, structs, maps), and several extensions designed to make SQL easier to use.

• DuckDB @ GitHub.

Related contents:

• DuckDB - Le moteur SQL qui transforme vos données @ Korben .
• Why DuckDB is my first choice for data processing @ >robinlinacre.

Spin is an open source framework for building and running fast, secure, and composable cloud microservices with WebAssembly. It aims to be the easiest way to get started with WebAssembly microservices, and takes advantage of the latest developments in the WebAssembly component model and Wasmtime runtime.

Yew is a modern Rust framework for creating multi-threaded front-end web apps using WebAssembly.

x86 virtualization in JavaScript, running in your browser and NodeJS

v86 emulates an x86-compatible CPU and hardware. Machine code is translated to WebAssembly modules at runtime in order to achieve decent performance.