This blog post announces the addition of Xeus-Octave to the JupyterLite ecosystem, enabling users to run GNU Octave code in the browser. It discusses the challenges of cross-compiling GNU Octave to WebAssembly, detailing solutions and necessary modifications. The author highlights future plans to expand the Octave ecosystem with additional packages. Overall, it offers insights into technical challenges and solutions faced during this integration, appealing to developers interested in scientific programming.