There are a few free software options that are specifically focused on pixel art:

1. Aseprite: This software is a pixel art editor that allows you to create animations, sprites, and pixel art. It has a wide range of tools and features that make it a great option for pixel art creation.

2. Piskel: This is a free online pixel art editor that is easy to use and has a wide range of tools and features that make it a great option for pixel art creation.

3. PyxelEdit: This is a free pixel art editor for Windows, which supports layers, animation, and other features. It's simple, yet powerful.

These are the most popular free tools for pixel art creation. You might want to try them out and see which one best suits your needs.
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