Talks about what Locality of Behaviour is and specifically how it applies to HTMX.
https://htmx.org/essays/locality-of-behaviour
A short introduction on MozREPL.
http://blog.binchen.org/?p=987
A very nice introductory series on D3.js. You start off by making a simple pie chart and end up with a donut showing tooltips, parsing a CSV and with selectable pieces of data.
http://zeroviscosity.com/category/d3-js-step-by-step
Error reporting and handling tool, get notified of and track errors as they happen in your application.
https://getsentry.com/welcome
A library to transform shapes into other shapes.
http://fian.my.id/marka