Emacs odyssey
@ https://www.hypertext.download/emacs-odyssey.html
Collection of resources for using emacs.
Paul Graham's Bel
@ http://paulgraham.com/bel.html
A spec for a dialect of Lisp created by the author.
Common Lisp
@ https://common-lisp.net/
Links to implementations and communities related to Common Lisp.
LIPS
@ https://lips.js.org/
Scheme based lisp interpreter written in JavaScript.
Embeddable Common-Lisp
@ https://ecl.common-lisp.dev/main.html
ANSI compliant interpreter of Common Lisp that can be embedded into C applications, and can produce C code.
McCLIM
@ https://mcclim.common-lisp.dev/
GUI toolkit for Common Lisp
The Common Lisp Cookbook
@ https://lispcookbook.github.io/cl-cookbook/
Lots of recipes for using Lisp.
Lisp Journey
@ https://lisp-journey.gitlab.io/
A blog about Lisp, with various links to how-tos, resources, news. The author also has a highly rated CL course on udemy.
Scheme ref
@ https://www.gnu.org/software/mit-scheme/documentation/stable/mit-scheme-ref.pdf
A detailed description of the GNU Scheme runtime system.
uLisp
@ http://www.ulisp.com/
Lisp for microcontrollers
On Lisp
@ http://www.paulgraham.com/onlisptext.html
Paul Graham's book on advanced Lisp techniques.
maru
@ https://www.piumarta.com/software/maru/
self-hosting tiny lisp implementation.
picolisp
@ https://picolisp.com/
data-centric lisp, also can be used with termux, optimised for a unique on-screen keyboard called Penti.
Common Lisp wikibook
@ https://en.wikibooks.org/wiki/Common_Lisp
An average quality collaborative book on common lisp.
MIT 6.001 Structure and Interpretation, 1986
@ https://www.youtube.com/watch?v=-J_xL4IGhJA&list=PLE18841CABEA24090
MIT course by the authors of SICP, very well known and great for learning some foundations of programming, using Lisp.
Steel Bank Common Lisp
@ http://www.sbcl.org/getting.html
One of (or the?) most used Common Lisp implementations.
Racket odyssey
@ https://www.hypertext.download/racket-odyssey.html
Resources on the racket language, a lisp dialect, which is designed to create DSLs.
tiny lisp
@ https://github.com/Robert-van-Engelen/tinylisp
A tiny lisp implemented in 99 lines of C.
CIEL
@ http://ciel-lang.org/
A collection Common Lisp libraries.