It reminds me of Emacs. Which seems approximately a virtualized Lisp machine. The pieces that are missing, like a typeface editor could probably be hacked up (and the reason it hasn't is that most people can't design better typefaces). Emacs calendar even has a human oriented interface. http://ftp.gnu.org/pub/old-gnu/Manuals/emacs-20.7/html_chapt...
Emacs + SLIME + Common Lisp was designed to be an ad-hoc, informally-specified, bug-ridden, slow implementation of half of a Lisp Machine. And it succeeds admirably in that intent.
Back when I was an heavy UNIX user, in search of nice IDE like features, I settled with XEmacs because the community was more open minded regarding the integration of graphical capabilities.
If you're running Mac, I suggest the railwaycat fork, which is basically GNU emacs plus some quality of life features that RMS is against like applescript/os integration, smooth scrolling and nice fonts
> This is "Mac port" addition to GNU Emacs 26. This provides a native GUI support for Mac OS X 10.6 - macOS 10.15. Note that Emacs 23 and later already contain the official GUI support via the NS (Cocoa) port. So if it is good enough for you, then you don't need to try this.
> If you'd like to install with Homebrew, please
$ brew tap railwaycat/emacsmacport
and then
$ brew install emacs-mac
if you using cask
brew cask install emacs-mac or brew cask install emacs-mac-spacemacs-icon
To disable this tap, please:
$ brew untap railwaycat/emacsmacport
