${HOME}/repos

~/code/$LANGUAGE/$REPONAME

XDG Documents folder

All over the place…

~/code for everything I want to change/look at the source code.

~/.local/src for stuff I want to install locally from source.

I used to use ~/devbut for years now I use ~/Workspace becaue Eclipse made me do it

~/repos

~/git/AUR|dev|whatever/$(git clone) is where mine usually reside.

~/repo for code I write and ~/src for code I didnt.

~/source

/dev/null

~/dev

For my personal projects I use ~/dev/projects/

For clones I use ~/dev/clones

My audio engineering stuff is at ~/audio/{samples, plugins, projects, templates}

~/gits

Documentation is usually a doc folder inside the repo or just a README.md for small projects.

Any naming convention is fine as long as it’s meaningful to you. But it’s a good idea to keep your own repos separate from the random ones you clone from the internet.