this free software text OS thingy here

The GNU website describes Emacs as “an extensible, customizable, free/libre text editor”.

References in published posts

Take on Recursion
My take on a recursive Elisp function for accumulating a list while walking up an AST
Making Shell Scripts Executable Just-in-Time
A different take on adding exec permissions to shell script in Emacs
Optimizing Project Selection in Emacs
Leveraging a new Emacs customization option to streamline project selection
Orientation in JSON documents with Emacs and Tree-sitter
Adventures with the new Tree-sitter based Emacs mode for JSON
Extending Emacs’s Dictionary Library
Introducing new customization options in the Emacs package dictionary.el

References in other notes