asciiflow - Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.

Sketch - Professional digital design for Mac.

PabloDraw - PabloDraw is an Ansi/Ascii text and RIPscrip vector graphic art editor/viewer with multi-user capabilities.

Figma - Team-based interface design, Figma lets you collaborate on designs in real time.

JavE - JavE (Java Ascii Versatile Editor) is a free Ascii Editor.

GEES - GEES is an all-in-one AI design platform that is shaping a future where you can brainstorm, design, hand-off in one file — without changing any other tools.