This overlay contains some useful if obscure utilities and several substitutes for actual productivity. You didn't think you'd actually get anything done running a source-based GNU/Linux distro, right?
layman -o https://gist.githubusercontent.com/console-cowboy/6e45aefb31fbedf6ff1b99e19bd71894/raw/ddb268646e403a0d6c2ee8246cbe6e8cbe4a8488/ersatz-overlay.xml -f -a ersatz