Genetica
Genetica 2 is a node-based seamless texture editor with more than 500 texture presets, automatic seamlessness, and resolution-independence. New in this version is a Substance Lab that helps you quickly create new textures, a new Weather Lab for applying aging effects to your textures, a new Cut & Tile Lab that can automatically turn materials into everything from wall tiles to floor boards, and much, much more. Also comes in a Pro edition.