ISLISP2007, a standard implementation on GraalVM’s Truffle framework, offers features like generic methods, scoping options, and procedural macros. Unique benefits include fast performance, C FFI support, and tooling like a debugger. Interoperability is a highlight, allowing for interaction with various other Truffle implementations such as Java, Python, Javascript, and LLVM.
https://arvyy.github.io/islisp-truffle/