Our mission
SimuSign shows people real ASL — clause grammar, facial markers, and fingerspelling — for anything they type or say.
Today that makes us the most honest way to learn how ASL actually works. Tomorrow, gated by public quality milestones and Deaf review, we intend to earn the right to call it access: a signing avatar for the everyday moments where no interpreter was ever going to be in the room.
Interpreters are irreplaceable where stakes are high. We're building for the enormous space where the alternative isn't an interpreter — it's nothing.
Principles
Human interpreters are the gold standard and the legal requirement wherever stakes are high. We build for the moments no interpreter was going to cover — meetings nobody booked one for, videos that were never going to be interpreted, everyday sentences at home.
Every translation shows its work: what was signed, what was rule-reordered, what was fingerspelled. Our limits page publishes the exact size of our sign library and what we can't do yet. When we can't sign it, we spell it — visibly.
Research is unambiguous: Deaf signers catch what hearing evaluators miss. No sign gets a 'reviewed' badge until a Deaf reviewer approves it, and we publish the count honestly — today it's zero, and changing that is the roadmap.
One hundred carefully authored, regression-tested signs beat a thousand scraped ones. We grow the vocabulary only as fast as we can grow it well.
Roadmap
Nothing here ships on a date — it ships when it passes review. Every update is informed by feedback from ASL experts, accessibility professionals, and our user community.
In the studio right now
Hand-authored, regression-tested ASL signs — the live count is in the Sign Library
Clause-level grammar: WH-questions, yes/no questions, and negation rendered on brows, head, and gaze
Honest A–Z fingerspelling with real letter transitions and an automatic camera zoom
Continuous voice streaming — sentences queue and sign in order
Tab-audio capture for meetings and videos
Floating pop-out signer (beta, Chrome/Edge)
Shipping when it passes review
Motion naturalness: smoother transitions, natural holds, and movement timing — judged by Deaf reviewers, not by us
Mouth morphemes: the missing facial channel research says matters most for comprehension
Floating Signer rebuild: a proper always-on-top mini player
Fingerspelling Trainer: receptive drills and quizzes at your speed
Sign Library browser with per-sign review status
The access ladder
Deaf-reviewed badge program: no sign called 'reviewed' until a Deaf reviewer approves it
Sign library growth toward 1,000 signs — authored at the same quality bar, not scraped
Topic and conditional grammar markers
Embeddable player for venue and website deployments with Deaf-reviewed content
Organization design-partner program
Deaf reviewers are the only judges of signing quality that count — research consistently shows they catch what hearing evaluators miss. We're building a paid, credited Deaf review program, and every sign's review status is public: check any sign in the Sign Library or the running count on our quality ladder.
Fluent Deaf signer interested in reviewing? Reach us through — we read everything.
We won't claim collaboration we don't yet have. What we commit to: a paid Deaf reviewer program before anything ships as "access," visible review status on every sign, priority for feedback from Deaf and hard-of-hearing users, and a public limits page that never flatters the numbers.
Hold us to it — see our limits