We are Leaning Technologies
We make WebAssembly solutions to help businesses transitioning from native to modern Web Applications. Since 2012, our technologies have given organisations an alternative to rewriting existing code to HTML5, or to discontinuing mission-critical internal applications.
Tools on the market
Users of the CheerpJ Applet Runner
Continents where our Clients come from
End-users supported by our tools
Major browsers we contributed to
Enterprise WebAssembly Experts
We bring your software to the browser. Compiled automatically, executed efficiently, fully client-side. Our team of WebAssembly experts are ready to help you with your project.
Do you want to join our incredibly talented, tight-knit team?
We value a great, informal work environment, high flexibility, and having genuine fun and excitement every day at work. We work from different locations with a hybrid remote/office approach. Our main offices are Leeds, United Kingdom and Amsterdam, The Netherlands.
Head of Enterprise Solutions
We are looking for a Head of Enterprise Services to join our rapidly growing company in our UK office (Leeds). You will be the bridge between our engineering and commercial teams.
Software Solutions Engineer
We are looking for an enthusiastic Software Solutions Engineer to join our rapidly growing company in our UK office (Leeds).
Want to join us? We are always looking for motivated and talented individuals.
Helping customers globally
History & Growth
2012 – Leaning Technologies founded by Alessandro, Massimo and Stefano
2014 – We released the first iteration of Cheerp, our open-source, enterprise-grade C/C++ compiler for HTML5 web applications.
2016 – Leaning Technologies’ first contribution to browser source code (Firefox)
2018 – Our second product CheerpJ is released, enabling Java to HTML5 compilation.
2020 – CheerpX For Flash is announced, the only HTML5 Flash emulator allowing unmodified Flash content to run seamlessly on modern browsers.
2021 – Leaning Technologies champions its’ first contribution to the WebAssembly Standard.
2022 – We announced WebVM, a full Linux-based virtual machine running in the browser, powered by WebAssembly and the CheerpX virtualisation engine.
Blog and News
Industry and Product Insights
The performance and size of the converted code have been always quite impressive, but in the last year, Cheerp has further dramatically improved the runtime speed, and drastically reduced the compiled size, allowing us to save on bandwidth and resources, as well as to extend our customer base. As a matter of fact, the performance is so good that […] we moved to a web-only application!
CEO, Dassault Systèmes