Store project local variables (property) using Projectile and Symbol Plists. The name of this package has projectile- in the prefix, but it can now be executed without depending on it. - https://github.com/bbatsov/projectile - https://www.gnu.org/software/emacs/manual/html_node/elisp/Symbol-Plists.html (projectile-variable-put 'foo-value 2) ;; Store property (projectile-variable-get 'foo-value) ;;=> 2 (projectile-variable-plist) ;; Return all project local property list (projectile-variable-plist "foo-") ;; Return project local property list filterd by prefix "foo-" (projectile-variable-alist) ;; Return all project local properties as association list (alist) (projectile-variable-alist "foo-") ;; Return project local properties alist filterd by prefix "foo-"