Credits and licences
Yani stands on generous work: native speakers, researchers, open-licence projects and open-source software. Thank you, all of you.
Last updated
Draft – pending legal review. This is a plain-English draft. It may change before Yani launches publicly.
In today's lessons
Every phrase in Yani is traced to its source. These are the sources in the content you can learn now (content version 2026.11.08-1).
DLIFLC Emirati Basic Language Survival Kit (2007)Public domain (US Government work)
Defense Language Institute Foreign Language Center (DLIFLC), Emirati Basic Language Survival Kit. Phrases and recordings you learn from.
DLIFLC Emirati Medical Language Survival Kit (2007)Public domain (US Government work)
Defense Language Institute Foreign Language Center (DLIFLC), Emirati Medical Language Survival Kit. Phrases and recordings you learn from.
DLIFLC Emirati Civil Affairs Language Survival Kit (2007)Public domain (US Government work)
Defense Language Institute Foreign Language Center (DLIFLC), Emirati Civil Affairs Language Survival Kit. Phrases and recordings you learn from.
DLIFLC Emirati Aircrew Language Survival Kit (2007)Public domain (US Government work)
Defense Language Institute Foreign Language Center (DLIFLC), Emirati Aircrew Language Survival Kit. Phrases and recordings you learn from.
DLIFLC Emirati Naval Language Survival Kit (2007)Public domain (US Government work)
Defense Language Institute Foreign Language Center (DLIFLC), Emirati Naval Language Survival Kit. Phrases and recordings you learn from.
DLIFLC Emirati Public Affairs Language Survival Kit (2007)Public domain (US Government work)
Defense Language Institute Foreign Language Center (DLIFLC), Emirati Public Affairs Language Survival Kit. Phrases and recordings you learn from.
DLIFLC Emirati Cultural OrientationPublic domain (US Government work)
Defense Language Institute Foreign Language Center (DLIFLC), Emirati Cultural Orientation. Phrases and recordings you learn from.
Gumar Corpus n-grams v1.0, Emirati (AE) splitCC BY 3.0
Gumar Corpus n-grams © 2017-2018 New York University Abu Dhabi, CAMeL Lab (Khalifa, Habash, Abdulrahim and Hassan, LREC 2016), CC BY 3.0. Used only to cross-check our phrases, never copied.
Yani gap-fill drafts (AI-written, awaiting native review)Yani Internal
Drafted for Yani; shown to learners only after two native Emirati reviewers approve. Used only to cross-check our phrases, never copied.
Yani rule-generated listener forms (man / woman / group)Yani Internal
Generated by Yani's forms rules; shown to learners only after native review. Used only to cross-check our phrases, never copied.
Emirati FastPitch + HiFi-GAN voice (vadimbelsky)CC BY 4.0
Emirati FastPitch and HiFi-GAN voices by Vadim Belsky, CC BY 4.0 (vocoder licence to be confirmed, see decision 0003). Used only to cross-check our phrases, never copied.
Sources, research and voices
The wider sources our content pipeline draws on, and how we use each one.
Emirati language materialsPublic domain (US Government work)
US Defense Language Institute Foreign Language Center (DLIFLC). Native Emirati recordings, phrases and dialogues.
CAMeL Lab, New York University Abu Dhabi. Emirati word and phrase frequencies, to decide what to teach first.
Wiktionary and WikipediaCC BY-SA
Wikimedia Foundation and contributors. Background and cross-checks, only where an Emirati source agrees.
Emirati FastPitch voiceCC BY 4.0
Vadim Belsky. An AI voice for forms we haven't recorded yet. Your lessons use it only once Emirati reviewers approve the form, and it's labelled wherever it plays.
Cori, an English voice for PiperPublic domain
Bryce Beattie, trained on public-domain LibriVox recordings. The English prompts in Drive mode, generated in advance and shipped as recordings.
Our reviewers
A phrase a native speaker didn't record reaches your lessons only once an Emirati reviewer approves it. None has been approved yet, so everything you study today is a native recording.
Open-source software
Yani is built with open-source software. These are the main projects we rely on.
Next.jsMIT
Vercel. The web app.
ReactMIT
Meta and contributors. The interface.
Tailwind CSSMIT
Tailwind Labs. Styling.
MotionMIT
Motion Division. Animation.
SupabaseMIT and Apache 2.0
Supabase and contributors. Database and sign-in.
FSRSMIT
Open Spaced Repetition. The spaced-repetition algorithm that schedules your reviews.
CAMeL ToolsMIT
CAMeL Lab, New York University Abu Dhabi. Arabic text processing in our content pipeline.
ZodMIT
Colin McDonnell and contributors. Data validation.
Fonts
Both are free and open-licensed, and served from our own site.
Readex ProSIL Open Font License 1.1
Thomas Jockin and Nadine Chahine. Arabic and Latin, everywhere.
DotGothic16SIL Open Font License 1.1
Fontworks. The practice receipt.