What are some alternatives?
When comparing asciiflow and Playscii, you can also consider the following products
Charaster - Open-source ASCII art editor for browser-based, raster-style editing
Ascii Generator 2 - Ascii Generator 2 (Ascgen2) is an application to convert images into high quality ASCII art - text...
Monodraw - Monodraw allows you to easily create text-based art (like diagrams, layouts, flow charts) and...
REXPaint - REXPaint is a powerful and user-friendly ASCII art editor.
ASCII Art Maker - A program for creating ASCII graphics from images and text.
Sixteen Colors Draw - Open-source HTML5-based ANSI/ASCII editor.