Leaning Technologies Tech Blog

WebVM is a virtual Linux environment running fully client-side in the browser. It is based on CheerpX: a Wasm-powered X86 VM

A recurrent need for anybody practicing programming is running (and sharing) small snippets of code to quickly test an idea or ask for…

Recursion is one of the fundamental primitives of computer science. Many algorithms came to life by simplifying a general problem into…

CheerpJ is a solution to compile ahead of time and execute Java bytecode on the browser in WebAssembly and JavaScript. It comes with a…

Adding a new IR optimization that allows to compile unused code away in Cheerp. Idea generation, pseudo-code, and some magic with graphs.

Powerful JavaScript-C++ interoperability, support for exceptions and for ES6 modules, and a brand new class of optimizations in Cheerp 2.7

We made a X86 virtual machine that runs in the browser. This is powered by CheerpX, a WebAssembly virtualization solution.

We have built a WebAssembly based VM to run X86 binaries in the browser, we are releasing multiple demos and an architectural overview.

Why maintaining a popular Chrome extension and dealing with the Chrome Web Store review process is a nightmare

CheerpJ 2.2 introduces better support to audio, improved AWT controls, and improved reflection performance.

JavaScript to C++ to faster JavaScript. Benchmarks included.

Today we are releasing Cheerp 2.6, major features and optimizations, and an overview of how this compiler bring C++ projects to the Web

A year of work on a LLVM-based compiler to WebAssembly AND JavaScript. Shiny new features, benchmarks, examples.

A pure HTML5 solution to extend the life of Flash applications on any browser

Running any Flash application without the Flash Player plug-in thanks to WebAssembly virtualization and emulation.

A deep look at the current state of support for WebAssembly tail calls on various browser, plus an hands-on tutorial for CheerpX

While waiting for broader BigInt support, this is our strategy to support 64-bit integers in both Wasm and JavaScript

Hava a C++ function/class/struct that you would like to use from native JavaScript? Limits, possibilities and demo of cheerp::jsexport

Working on a x86 virtual machine in WebAssembly is highlighting several limitations of current browser implementations

How we implemented support for the experimental anyref feature in the Cheerp C++ compiler, and what you can do with it.

Best-in-class C/C++ to WebAssembly compiler with support to anyref

Smaller and faster WebAssembly from C++ compared with Emscripten

Latest release of CheerpJ now available for download

Extending the life of Flex, AS3 and AS2 Flash content with WebAssembly virtualization