Playwright, a Python library, allows developers to essentially control the browser with a few lines of Python code to automate cross-browser testing for single-page web apps and Progressive Web Apps.

Java’s Simple Web Server on the command line Java’s new jwebserver command makes it simple to run a basic web server. It is analogous to the popular SimpleHTTPServer tool in the Python world.

Mozilla’s experimental Pyodide project is bringing a Python data science stack to the web browser, by compiling it to WebAssembly. Pyodide is a WebAssembly implementation of Python’s Numpy ...