OpenLDK: Bringing the Java World into Common Lisp
Java classes become CLOS classes, seven JVM languages share one Lisp expression, and a saved Spring Boot application launches in 84 milliseconds.
Jvm
cl-kawa: A Turducken of Programming Languages
cl-kawa nests Scheme inside Java inside Common Lisp: three language runtimes in a single SBCL process, no FFI or external JVM required.