Textadept

As a text editor, Textadept stands out as a minimalist, fast, and highly extensible software that works seamlessly across Mac OS X, Windows, and Linux platforms. The software's C++ core comprises just over 1600 lines of code, which forms the fundamental framework for the text editor. Remarkably, more than half of its C++ base is in the Lua extension, and Lua provides a means for controlling nearly everything within Textadept, leading to limitless possibilities for extension.

By leveraging Lua, Textadept, as an editor, enables users to customize or extend virtually every aspect of the application. Given this flexibility, this software is ideal for power users who require more advanced features than those available in conventional text editors. Therefore, Textadept is a top-notch software that is capable of delivering fast and efficient performance, providing unrivaled extensibility through Lua. If you're looking for a lightweight text editor that you can mold to fit your exact needs, Textadept is an excellent choice.