Emacs

Privacy Pros: Extremely versatile text editor and Lisp interpreter.

Privacy Cons: None

Privacy Tips: Copy and Paste takes getting used to in Emacs, use the buttons or the copy/paste commands instead.

GNU Emacs is an extensible, customizable text editor – and more. At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing.

The features of GNU Emacs include:

Includes a project planner, mail and news reader, debugger interface, calendar, and more

Content-sensitive editing modes, including syntax coloring, for a wide-range of file types

Complete built-in documentation, including a tutorial for new users

Full Unicode support for nearly all human languages and their scripts

Highly customizable, using Emacs Lisp code or a graphical interface