games (Kandria),
Maxima,
a faster pgloader (https://tapoueh.org/blog/2014/05/why-is-pgloader-so-much-fas...),
hackernews (was rewritten to SBCL: https://lisp-journey.gitlab.io/blog/hacker-news-now-runs-on-...), first reddit…
https://lisp-screenshots.org/
https://www.lispworks.com/success-stories/
also Emacs (for another dialect).
(Yeah, OK, he didn't have a programming language...)
arguably redundant since GP did say symbolic communication, but Lisp had T before Algol 60 came out
games (Kandria),
Maxima,
a faster pgloader (https://tapoueh.org/blog/2014/05/why-is-pgloader-so-much-fas...),
hackernews (was rewritten to SBCL: https://lisp-journey.gitlab.io/blog/hacker-news-now-runs-on-...), first reddit…
https://lisp-screenshots.org/
https://www.lispworks.com/success-stories/
also Emacs (for another dialect).