Archived with no plans on having an editor separate from the engine in the future. PixelPerfectEditor will become part of the PixelPerfectEngine project at: https://codeberg.org/ZILtoid1991/dimage
Open-source tilemap editor written in D. Uses PixelPerfectEngine for graphics display and primary target, can be used in other engines with either implementing support for the formats, or by saving the document as another format.