Sign Language Systems

Convo

U.S. Video Relay Service (VRS) provider offering interpreter-mediated phone calls plus related Deaf-centered communication products. Signup flow explicitly references TRS-fund funding and user eligibility certification.

vrs, asl, relay, access

Sorenson VRS

U.S. Video Relay Service (VRS) provider describing no-cost VRS access and a large interpreter workforce. Documentation references FCC registration and federally administered VRS funding.

vrs, asl, fcc, relay

ZP Better Together (ZVRS / Purple) — VRS

Video Relay Service (VRS) offering interpreter-mediated calls via videophone, computer, or smartphone. Describes calls within the U.S. and to many international destinations.

vrs, asl, relay, devices

DeepSignAI

Sign language translation AI company claiming real-time performance goals and attention to latency, scalability, and regional variation. Additional product specifics and deployment details are largely unspecified on the homepage.

translation, ai, real-time, asl

GoSign.AI

Deaf-led platform emphasizing sign language datasets and user-contributed signing used to train sign language AI models. Also positions itself as building Deaf-first AI experiences across products and services.

datasets, deaf-led, ai, training

Hand Talk (ASL Plugin)

Website plugin positioning automatic translation from English into ASL, including written content and alt text, via 3D virtual translators. Useful for benchmarking common “web overlay” product patterns.

web, asl, avatar, plugin

Kara Technologies

AI sign language translation company describing English→ASL video translation in under a minute and digital-human avatars with facial grammar support. Country: New Zealand (NZSL and NZ publications on company site).

avatar, asl, generation, translation

Nagish

Phone call captioning app (speech↔text) stating FCC certification and enabling communication using text or voice; sign language features are unspecified. Country: offices referenced in New York and Tel Aviv.

captioning, calls, accessibility, fcc

Sign-Speak

Deaf-owned product suite positioning automated ASL interpretation, captions, and translation for organizations and individuals. Enterprise materials describe recognition and avatar components plus API/SDK integration.

asl, translation, avatar, api

SignAll

Sign language recognition/translation ecosystem referenced in institutional and project materials (e.g., university partnership and case studies). Company site availability appears intermittent; use cited references when the site is unreachable.

recognition, translation, asl, intermittent

Signapse

AI sign language translation platform for ASL and BSL covering videos, events, signage, and announcements. Product text emphasizes Deaf translator approval as part of its workflow.

translation, asl, bsl, accessibility

SignGemma (Google)

Google I/O 2025 developer update describing SignGemma as an upcoming open model translating sign languages into spoken-language text (best at ASL→English). Useful as a primary reference for the model’s stated intent and scope.

model, asl, sign-to-text, open

Signly

Website sign language layer arguing English-only websites do not adequately serve many sign language users. Focused on delivering sign language everywhere for diverse literacy needs.

web, translation, sign-language, inclusion

Silence Speaks

Platform translating text, voice, and video into sign language through AI avatars (photorealistic or animated). Public materials frame the product as developed by Deaf community engineers and linguists.

avatar, generation, translation, bsl

Sorenson OmniBridge

Product positioning for AI-powered real-time sign language translation intended to be embedded into customer apps for Deaf/hearing communication. The page frames the offering as an integration-layer translation solution.

translation, real-time, integration, access

National Association of the Deaf

U.S. Deaf civil rights organization and a core anchor for policy, advocacy, and legal framing. Maintains a Law & Advocacy Center focused on education, advocacy, and litigation.

advocacy, policy, civil-rights, us

National Black Deaf Advocates

Advocacy organization serving Black Deaf and Hard of Hearing Americans, focused on civil rights and equal access across education, employment, and social services. Important for equity-centered accountability in language access tech.

advocacy, equity, community, us

European Union of the Deaf

EU-level Deaf advocacy organization with governance publications on AI and sign language (including practical contracting tools). Useful for Europe-focused policy and rights-based approaches to sign language AI.

europe, policy, rights, governance

World Federation of the Deaf

International NGO focused on linguistic and human rights of Deaf people worldwide. Publishes sign language rights toolkits and maintains a global membership network of national Deaf associations.

international, rights, sign-language, policy

ACL Anthology

Library of publications in computational linguistics and NLP. Useful for grounding sign language NLP/translation claims in peer-reviewed literature and proceedings.

research, nlp, papers, index

arXiv

Open-access preprint archive for scientific papers; useful for tracking emerging sign language ML research. Note: arXiv materials are not peer-reviewed by the platform itself.

research, preprints, ml, index

sign-lang@LREC Anthology

Proceedings archive for the Workshop on the Representation and Processing of Sign Languages. Strong source for datasets, evaluation practices, and community-facing resource work.

workshop, evaluation, datasets, papers

Deaf in AI: AI language technologies and the erosion of linguistic rights

Research essay arguing that AI language technologies can deepen inequalities and undermine linguistic autonomy without Deaf-led approaches. Useful for framing “automation” narratives critically.

rights, critique, ai, access

EUD: Sign Language in the Era of Artificial Intelligence (Report)

Human-rights-based governance framing for sign language AI in Europe. Useful for procurement and policy discussions beyond technical accuracy metrics.

governance, rights, europe, report

Gallaudet Linguistics: ASL and AI tools (Position Statement)

Concrete guidance on harms, data sourcing, and Deaf representation for ASL-related AI tools. Strong reference for community-accountable research and product practice.

ethics, deaf-led, data, guidance

Deaf Studies Digital Journal

Peer-reviewed digital journal in ASL and English text featuring scholarly video articles and critical cultural work. Useful for ASL-first scholarship and publication norms.

journal, asl, scholarship, publishing

NAD Newsroom

Official NAD updates, statements, and program announcements with a clear timeline. Useful for tracking current advocacy priorities and public positions.

news, advocacy, policy, us

WFD News

Official news feed from WFD with categories spanning policy documents, press releases, members, and advocacy efforts. Useful for international context and signals of emerging issues.

news, international, rights, policy

ASL Linguistic Research Project (Boston University)

Long-running ASL linguistics hub providing access to ASL video data resources and tooling. Closely linked to SignStream workflows for annotation and analysis.

linguistics, asl, corpus, tools

Gallaudet University: Linguistics

ASL-centered linguistics department and research context, including community-facing resources and position statements. Useful grounding for language-first system design.

linguistics, asl, research, deaf

Institute of German Sign Language (University of Hamburg)

Major institutional home for German Sign Language research and Deaf communication studies. Maintains software/tooling links (e.g., iLex) and research resources.

linguistics, dgs, corpus, research

CVSSP: ExTOL (End to End Translation of British Sign Language)

University of Surrey project developing computer vision tools for BSL translation and video analysis, explicitly tied to linguists’ research needs. Useful as a sustained research program reference.

bsl, computer-vision, translation, research

Microsoft Research: MS-ASL

ASL recognition benchmark with published subset statistics and dataset framing around multi-articulator complexity and data scarcity. Strong primary reference for dataset scale and evaluation design.

asl, dataset, benchmark, research

VGG Oxford: BSL-1K

Large-scale BSL recognition benchmark resource describing 1,000 signs across 1,000 hours of video. Useful canonical reference for continuous-sign recognition at scale.

bsl, dataset, benchmark, vision

Gallaudet: AI, Accessibility and Sign Language Center

Research center focused on accessible information/communication technologies through sign language and Deaf-centered design. Provides public framing for best practices and inclusive development.

accessibility, ai, asl, research

NTID (RIT): Research Overview

Deaf-centered research overview describing programs like the SPaCE Center and a focus on perception/cognition in Deaf lives and environments. Useful background for broader accessibility research contexts.

accessibility, research, deaf, education

UCL: Deafness Cognition and Language Research Centre (DCAL)

Interdisciplinary Deafness and language research center bringing together Deaf and hearing researchers across sign linguistics, psychology, and neuroscience. Useful context for language/cognition validity beyond benchmark scores.

cognition, sign-linguistics, research, access

FCC: Video Relay Service (VRS)

FCC overview defining VRS as a TRS form enabling ASL users to communicate with voice telephone users via video equipment. Useful anchor for VRS scope and regulatory framing.

fcc, vrs, trs, us

U.S. Access Board: Revised 508 Standards and 255 Guidelines

Primary federal reference for ICT accessibility standards and procurement obligations for U.S. agencies. Useful for requirements-based governance and contracting.

section508, ict, standards, procurement

U.S. DOJ: ADA Requirements – Effective Communication

Official DOJ guidance describing how effective communication rules apply to covered entities. Core reference for service design and accommodation duties.

ada, policy, us, communication

W3C: Understanding SC 1.2.6 Sign Language (Prerecorded)

Explains why sign language alternatives can be necessary even with captions (captions may be a second language). Useful for media accessibility requirements and rationale.

wcag, sign-language, media, accessibility

W3C: WCAG 2 Overview

Primary entry point for WCAG 2.x guidance and structure (principles, success criteria, conformance). Foundational for web accessibility requirements and compliance discussions.

wcag, standards, web, accessibility

AI Interpreting Solutions Evaluation Toolkit (SAFE AI) – Part A (PDF)

Risk-informed evaluation toolkit for organizations considering automated interpreting by AI. Emphasizes safety, fairness, and ethical priorities in adoption decisions.

evaluation, risk, interpreting, governance

CoSET: Coalition for Sign Language Equity in Technology

Sign language equity initiative collaborating on evaluation frameworks for AI interpreting and language access. Useful hub for sign-language-specific governance work.

evaluation, equity, governance, interpreting

How2Sign Dataset

Large-scale continuous ASL dataset with multimodal/multiview video, English transcripts, and depth. Canonical benchmark reference for continuous sign research.

dataset, asl, benchmark, translation

MS-ASL Dataset (Microsoft Research)

ASL recognition benchmark with published subset statistics and signer diversity framing. Useful for reproducible evaluation and dataset-scale comparisons.

dataset, asl, benchmark, recognition

Sign Language Dataset Compendium (University of Hamburg)

Directory of signed-language corpora and lexical resources with language and task indexing. Useful for selecting benchmarks and understanding task/data coverage.

datasets, directory, benchmarks, research

WLASL Dataset

Word-level ASL recognition dataset framing 2,000 common ASL words. Useful for vocabulary-scale evaluation comparisons and baselines.

dataset, asl, benchmark, recognition

EUD: Template Contract for Ethical Use of Sign Language Data in AI (PDF)

Model agreement responding to misuse of Deaf people’s name, image, and likeness in AI systems without fair payment or consent. Practical tool for consent, remuneration, and data rights negotiations.

contract, consent, data-rights, governance

SLxAI

Stakeholder convening initiative for sign language × AI that aims to establish cooperative nonprofit structures and coordinate responsible development. Useful governance hub for cross-sector alignment.

governance, network, ai, coordination

UN: Convention on the Rights of Persons with Disabilities (CRPD) – Portal

Official UN framing for disability rights as a shift toward persons with enforceable rights and informed consent. Useful high-level rights baseline for sign language AI governance arguments.

un, rights, policy, crpd

MediaPipe Hands

Hand landmark tracking solution inferring 21 3D landmarks per hand from single frames. Useful for lightweight, mobile-friendly hand-feature extraction workflows.

open-source, hands, keypoints, mobile

OpenPose

Keypoint extraction library detecting body, hand, face, and foot keypoints (commonly used upstream in sign language CV pipelines). Helpful baseline for feature extraction and reproducible preprocessing.

open-source, keypoints, vision, pose

ELAN

Time-aligned multimedia annotation tool supporting multi-tier annotation for audio/video. Widely used in sign language corpus creation and linguistic analysis workflows.

annotation, corpus, tool, linguistics

iLex (IDGS Hamburg)

Tooling for sign language lexicography and corpus analysis maintained by University of Hamburg’s IDGS ecosystem. Useful for dictionary/corpus workflows tied to signed-language research.

lexicography, corpus, tool, sign-language

SignStream (v3)

ASL-focused video annotation and analysis tool designed for linguistic research. Often referenced as a core workflow component for linguistically annotated ASL video datasets.

annotation, asl, tool, research

Signbank (paper + system reference via ACL Anthology)

System architecture reference for Signbank, a web platform supporting sign language lexical databases and dictionary-style resources with video. Useful for building or evaluating sign lexicon infrastructure.

dictionary, lexicon, infrastructure, software

ASL Connect

Gallaudet University’s official ASL learning program with free basic vocabulary videos and structured online coursework. Useful canonical reference for learning-path design and Deaf-authored instruction.

learning, asl, education, gallaudet

Lifeprint (ASL University)

Large free ASL self-study curriculum with lessons and dictionary resources. Useful for learner-oriented vocabulary coverage and common pedagogy patterns.

learning, asl, lessons, dictionary

NAD Directories

Curated directories covering state agencies, ASL at universities, and state-by-state ASL resources, among others. Useful for quickly finding local and institutional access points.

directories, resources, us, community

WFD Ordinary Members

Directory-style list of national (ordinary) member Deaf organizations and membership criteria. Useful for international partner discovery and rights-network mapping.

directories, international, deaf-orgs, network

Registry of Interpreters for the Deaf (RID)

U.S. professional association for interpreters with certification and registry services. Useful reference for interpreting standards and ethical expectations in professional practice.

interpreting, certification, ethics, us

World Association of Sign Language Interpreters (WASLI)

International membership organization advancing the profession of sign language interpreting worldwide. Useful global professional context for interpreting quality and standards discussions.

interpreting, international, professional, standards