Playscii - Full-featured ASCII art and graphic editor and game creation tool
PabloDraw - PabloDraw is an Ansi/Ascii text and RIPscrip vector graphic art editor/viewer with multi-user capabilities.
REXPaint - REXPaint is a powerful and user-friendly ASCII art editor.
ASCII Art Maker - A program for creating ASCII graphics from images and text.
Charaster - Open-source ASCII art editor for browser-based, raster-style editing
JavE - JavE (Java Ascii Versatile Editor) is a free Ascii Editor.