Rust programming language
Fortran - Wikibooks, open books for an open world
Online book that contains a good introduction to Fortran.
Common Lisp: A Gentle Introduction to Symbolic Computation
Free book that should be a good introduction to Common Lisp for many people.
Beautiful Racket by Matthew Butterick
Book that uses Racket.
Read Loving Common Lisp, or the Savvy Programmer's Secret Weapon | Leanpub
Book that introduces Common Lisp.
Home – the Common Lisp Cookbook
A cookbook of Common Lisp code.
Statistics with Julia
PDF detailing using Julia for data stats.
Think Julia: How to Think Like a Computer Scientist
Free online book about getting to know Julia.
Programming Algorithms
Book that describes various programming algorithms, all based around Lisp.
Git from the Bottom Up
A tutorial/reference that covers a lot of detail about git.
Common Lisp: An interactive approach
Electronic book introducing Common Lisp.
Astronomical Algorithms
PDF of a book I've long wanted to get my hands on!
Build Your Own Lisp
A book all about building your own Lisp.