Joe Marshall

LISP-Machine. Archive of LISP Machine, Inc.

pseudo. ✨Pseudocode in Common Lisp

Platformer. A simple platformer game in Common Lisp. Please see PlatformerTutorial instead.

table. An abstract table api with various concrete implementations such as alist, plist, hash-table, and wttree.

gemini. ✨API to Google's Gemini

PlatformerTutorial. λ A simple Common Lisp platformer game in a twenty-two chapter tutorial. One branch per chapter.

utilities. Various, sundry, and miscellaneous things that I commonly use.

function. Higher order functions.

LambdaCalculus. A small toolkit for lambda calculus.

dual-numbers. Common Lisp implementation of dual numbers, useful for automatic differentiation.

generic-arithmetic. Implement standard Common Lisp math functions as CLOS generic functions in order to make it easy to extend the number tower.

named-let. Named lambda and named let macros.

homographic. Homographic functions, Möbius transforms, and exact real arithmetic.

old-jrm-code-project. Common Lisp

Advent2024. Advent of Code 2024 in Common Lisp

LinkedList. A simple singly-linked list as an ADT.

named-object. A named object mixin.

google. API to Google

CLRLisp. A Lisp tailored for the CLR.

jrm-code-project.

promise. An implementation of promises (delayed evaluation) in Common Lisp.

Advent2025. Advent of Code 2025