I wrote my own program, filetailor. It’s similar to Chezmoi but uses inline comments instead of templates for machine-specific lines. This allows me to make edits directly to my local files and then sync those changes to other machines.
I also use Ansible.
I don’t like Notepad++ as a text editor for code, but my god is it amazing for taking quick notes. I’ve been searching for a Linux equivalent but haven’t found it yet. My favorite Notepad++ features:
For jotting down quick meeting notes in a hurry, it’s great. The settings are messy and hard to configure though, so I use Vim/Helix for writing code (hobbyist, not professional).