Streamlit lets you write web-based Python data applications without HTML, CSS, or JavaScript. Here's a first look at Streamlit.

HTMX is the dynamic HTML extension that gives you the power of JavaScript with a few lines of simple markup. Let's see how it works with the popular Python-Django development stack.

Positron is Posit's new, free IDE for data science. Users can work with Python and R. It explicitly does not replace RStudio.