Steel Bank Common Lisp (SBCL): A High-Performance Open-Source Lisp Compiler
Summary
Steel Bank Common Lisp (SBCL) is a high-performance open-source Common Lisp compiler with an interactive environment, debugger, profiler, and code coverage tools. It runs on major operating systems and provides comprehensive documentation, bug reporting, and project resources, with the latest release SBCL 2.6.1 released January 26, 2026.