Clojure - Clojure is a dynamic, general-purpose programming language, combining the approachability and interactive development of a scripting language with an efficient and robust infrastructure for multithreaded programming.

Steel Bank Common Lisp - Steel Bank Common Lisp (SBCL) is a high performance Common Lisp compiler.

Lem - Cross-platform and highly extensible Commo Lisp editor/IDE.

CMU Common Lisp - CMUCL is a high-performance, free Common Lisp implementation.

Allegro CL - Leading commercial Enterprise Development Tools and dynamic object-oriented Common Lisp development tools including Allegro CL with AllegroCache, an Object Database that provides Object Persistence in Lisp, native to the Lisp langauge.

Hy - Hy is a wonderful dialect of Lisp that’s embedded in Python.