cacl is Yet Another God Damn TUI RPN Calculator written in and programmable with Common Lisp.

• License: MIT
• Mercurial: https://hg.stevelosh.com/cacl/
• Git: http://github.com/sjl/cacl/

Works (mostly) in SBCL, CCL, ABCL, and ECL. Other implementations are untested, but should hopefully work too.