SignWriting Character Viewer v1

Symbol Key names with plane 16 codepoints
Based on Private Use Area codepoints
100,000 ligatures to support ASCII, Unicode 8, and Plane 15

SignWriting Character Viewer v2

Symbol Key names with plane 4 codepoints
No private use area and no ligatures
Promoted by the Center for Sutton Movement Writing

Formal SignWriting in ASCII (FSW)

Signs are written as SignWriting words
with mathamatical names of ASCII characters
from the set: ABLMRS0123456789xabcdef.
Stable since January 2012.

SignWriting in Unicode (SWU)

Signs are written as SignWriting words with
an experimental Unicode character design that
overwrites the Sutton SignWriting Block
(U+1D800 - U+1D9FF) and uses Plane 4
for the Sutton SignWriting symbols.