Flexlay is a generic 2d editor, with focus on games. It currently supports multi layered tile- and object maps, full undo/redo, support for tile-brushes, easy copy/paste, multiple buffers, minimap support, a metadata editor, drawing/sketch layers and some other stuff usefull for creating levels for 2d games. Flexlay uses ClanLib and Ruby.
These details are provided for information only. No information here is legal advice and should not be used as such.