Install Mac OS X Snow Leopard from an external firewire hard drive or USB flash drive; OSx86 ONLY: Boot Mac OS X x86 from a USB Pendrive – this is for OSx86 (Hackintosh) Creating Mac USB drive OS X installers with modern versions of OS X; We will soon have our a tutorial to do this that will be modernized for Tiger and Leopard, stay tuned for. Darwin forms the Unix-based core set of components upon which macOS (previously OS X and Mac OS X), iOS, watchOS, tvOS, and iPadOS are based. It is mostly POSIX-compatible, but has never, by itself, been certified as compatible with any version of POSIX.Starting with Leopard, macOS has been certified as compatible with the Single UNIX Specification version 3 (SUSv3). Apache OpenOffice for MacOS X Fully developed and supported since OpenOffice.org 3.3! Apple MacOS X requirements. The current Apache OpenOffice supports Apple MacOS X.

Emacs

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Emacs is a very flexible and extensible editor that has been around for a long time. Due to its history and huge community, it is capable of covering pretty much any area of programming and more.

Bundled with Emacs are some very useful packages, the major ones being Slime, Magit, and Company.

SBCL

SBCL is one of the fastest and most capable Lisp implementations available today.

Quicklisp

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Quicklisp is the standard Lisp package manager that allows you to retrieve and manage over a thousand libraries with a few keystrokes.

Portage Mccolly

Git

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Git is perhaps the most widely used version control system today. It allows you to manage changes in code over small and large projects fast and efficiently.