SLADE3 is a modern editor for Doom-engine based games and source ports. It has the ability to view, modify, and write many different game-specific formats, and even convert between some of them, or from/to other generic formats such as PNG. SLADE has many different features, allowing for a simple yet comprehensive editing experience: - Basic archive/resource editing - Simple tabbed interface - Many supported game formats - Map editing - Advanced text editor - Graphic conversion - Texture editing