Couple of recent projects which I am aware of: A browser: https://nyxt.atlas.engineer/ An editor: https://github.com/lem-project/lem A window manager: https://github.com/stumpwm/stumpwm A GUI framework: https://github.com/rabbibotton/clog A compiler for quantum computing: https://github.com/quil-lang/quilc APL embedded in Common Lisp: https://github.com/phantomics/april

More projects can be found at: https://www.libhunt.com/topic/common-lisp