si5s is a writing system for American Sign Language that resembles a handwritten form of SignWriting.
si5s

ASLwrite

Soon after its release, si5s development split into two branches: the "official" si5s track monitored by Arnold and a new set of partners at ASLized, and the "open source" ASLwrite.
ASLwrite ( ASL: ) is a somacheirographic writing system that developed from si5s.

American Sign Language

ASLsign languageAmerican Sign Language (ASL)
si5s is a writing system for American Sign Language that resembles a handwritten form of SignWriting.
Several additional candidates for written ASL have appeared over the years, including SignFont, ASL-phabet, and Si5s.

SignWriting

signwriting
si5s is a writing system for American Sign Language that resembles a handwritten form of SignWriting.

List of languages by writing system

languages written in Latin scriptList of languageEastern Nagari - Assamese/Bengalilist of languages by writing system

New York City

New YorkNew York CityNew York, New York
It was devised in 2003 in New York City by Robert Arnold, with an unnamed collaborator.

Las Vegas Valley

Las VegasLas Vegas, NevadaLas Vegas, NV
In July 2010 at the Deaf Nation World Expo in Las Vegas, Nevada, it was presented and formally announced to the public.

Nevada

NVNevadaState of Nevada
In July 2010 at the Deaf Nation World Expo in Las Vegas, Nevada, it was presented and formally announced to the public.

Twitter

tweetedtweettweets
In 2015, Arnold had a falling out with his ASLized partners, took down the si5s.org website, and made his Twitter account private.

Gallaudet University

GallaudetGallaudet CollegeGallaudet University
Arnold completed his Masters thesis, "A Proposal Of the Written System For ASL," at Gallaudet University in 2007, looking at the need for a written form for ASL, and proposing the use of si5s.

Mt. San Antonio College

Mt. San Antonio CCMt. SACMount San Antonio College
Arnold is currently a faculty member of the Sign Language & Interpreting program at Mt. San Antonio College.

Logogram

logogramlogographiclogograph
Some words are in fact logographs such as "WHO" and "FOR-FOR."

Grapheme

graphemegraphemescharacters
To build a word, handshapes are bounded to locatives with diacritics and movement marks bounded to the handshape graphemes themselves.