Zixel is described as 'Easy to use pixel art tool for making seamless tiles for your game! Zixel allows you to repeat your image to easily see if the sides of your tiles match up!' and is a Image Editor in the photos & graphics category. There are 2 alternatives to Zixel for Windows, Steam and Mac. The best Zixel alternative is Tile Studio, which is both free and Open Source.
Tile Studio is a complete development utility for graphics of tile-based games. The application contains a bitmap editor for creating tiles and sprites and a map editor for designing level maps.
Tilesetter is a tileset generator & map editor tool - Create your whole tileset instantly. Generate complete tilesets from base images. Build and export levels directly to Unity, Godot and GameMaker Studio 2.
