I built a color palette tweaker very specific to my OCD needs:

https://archives.fifthrevision.com/color-generator/index.htm...

I also have a local zsh autocomplete macro that let's me type things like "git rename annotated branch" and ctrl-g and it will get me the actual command. There's also a ctrl-r mode that searches my history using natural language. This is connected to a locally run ollama so my keys don't leak.