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Participation Guidelines

Responsible Disclosure

support@mozilladatacollective.com

Mozilla Data Collective is a mission-locked British company, incubated by Mozilla Foundation, and backed by the not-for-profit Mozilla.org

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940 Datasets

Tbilisi State University

GeoLogicQA: An LLM Benchmark for Logical Reasoning in Georgian

A manually-curated dataset of 106 logical reasoning questions in Georgian, adapted from the Kangaroo Mathematics Competition and Komarovi School materials.

License: CC-BY-NC-SA-4.0

Locale: ka

Task: LLM

Format: JSON

Size: 15.14 KB

Community

Bojonegoro Javanese TTS

This dataset contains synthetic speech data covering a variety of everyday-life topics in the Bojonegoro dialect of Javanese, spoken in East Java, Indonesia.

License: CC-BY-SA-4.0

Locale: jav

Task: TTS

Format: .tar.gz, WEBM

Size: 469.50 MB

MIT

ATLAS Cross-Lingual Transfer Matrix

The Cross-Lingual Transfer Matrix from "ATLAS: Adaptive Transfer Scaling Laws for Multilingual Pretraining".

License: Apache-2.0

Locale: en-US

Task: NLP

Format: CSV

Size: 2.36 KB

Kaltepetlahtol

Zacatlán Tepetzintla Nahuatl ASR Dataset

A 14 hour ASR dataset of Nahuatl from Zacatlán and Tepetzintla. Derived from Amith et al (2026)´'s field recordings and transcriptions datasets

License: CC-BY-ND-4.0

Locale: nhi

Task: ASR

Format: FLAC, TSV

Size: 789.98 MB

Taruen

Kyrgyz Folklore Text Corpus

A 427k-word Kyrgyz folklore corpus of tales, proverbs, and aphorisms, digitized from 5 Bishkek academic volumes (2016-2017) for NLP tasks.

License: CC0-1.0

Locale: ky

Task: NLP

Format: TXT

Size: 1.28 MB

OpenCSG

Finweb-Edu-Chinese-v2.2

Fineweb-Edu-Chinese v2.2: Updated Chinese educational web dataset (Fineweb series) — access via www.opencsg.com.

License: Apache-2.0

Locale: zh

Task: LLM

Format: parquet

Size: 624.68 MB

Community

Manggarai Language for NLP

The dataset consists of responses to various prompts written in the Manggarai language. These responses were subsequently read aloud and recorded.

License: CC-BY-NC-SA-4.0

Locale: mqy

Task: TTS

Format: WEBM, TSV

Size: 287.61 MB

Taruen

World Factbook (JSON)

A machine-readable JSON archive of the CIA World Factbook (Jan 2026 snapshot). Includes both standard developer and raw cache versions with image metadata.

License: CC0-1.0

Locale: en

Task: NLP

Format: JSON

Size: 7.10 MB

Balochi Academy

Eastern Balochi Literature Corpus

A UTF-8 normalized Eastern Balochi literature corpus (~1.9M tokens) covering poetry, folklore, novels, and cultural texts for linguistic research and NLP.

License: CC-BY-NC-4.0

Locale: bgp

Task: NLP

Format: TXT

Size: 949.67 KB

Nick Fox-Gieg

ABC-Draco

A GLTF Draco conversion of the NYU ABC-Dataset.

License: Onshape

Locale: en-US

Task: CV

Format: GLTF with Draco compression

Size: 43.32 GB

Universidad Nacional Autónoma de México, UNAM

Trabajo de Campo - Huave

Un corpus de audio anotado de la región de San Mateo del Mar, Oaxaca, una lengua de comunidades originarias de México.

License: CC-BY-4.0

Locale: huv

Task: ASR

Format: MP3, TSV

Size: 538.25 MB

Forum for Language Initiatives

Gojri Literature Corpus

A curated Gojri (Gujari) text corpus of approximately 60K tokens covering poetry, stories, short stories, and literary prose.

License: CC-BY-NC-4.0

Locale: gju

Task: NLP

Format: TXT

Size: 117.97 KB

Forum for Language Initiatives

Khowar Literature Corpus by FLI

A multi-genre Khowar language corpus designed for linguistic research, NLP applications, and cultural documentation.

License: CC-BY-NC-4.0

Locale: khw

Task: NLP

Format: TXT

Size: 244.85 KB

Forum for Language Initiatives

Khowar Word List

A UTF-8 encoded Khowar lexical corpus containing alphabet definitions and a structured word list for linguistic research and language technology development.

License: CC-BY-NC-4.0

Locale: khw

Task: NLP

Format: TXT

Size: 64.22 KB

Forum for Language Initiatives

Kohistani Shina Word List

A UTF-8 encoded Kohistani Shina dictionary and word list corpus with lexical entries, meanings, and annotations for linguistic research and NLP use.

License: CC-BY-NC-4.0

Locale: plk

Task: NLP

Format: TXT

Size: 394.05 KB

Balochistan Educational and Cultural Organization

Brahui Research Work Corpus

This corpus consists of research works, academic theses, and scholarly papers, comprising approximately 185,000 tokens. It covers a range of academic topics and formal registers, reflecting standardized writing practices and disciplinary conventions. The corpus is intended to support linguistic analysis, discourse studies, and computational research on academic and research-oriented text.

License: CC-BY-NC-SA-4.0

Locale: brh

Task: NLP

Format: TXT

Size: 1.13 MB

Balochistan Educational and Cultural Organization

Talar (تلار) Barahui Magazine Corpus

A ~150,000-word Brahui corpus from the monthly magazine Talar, covering editorials, essays, fiction, poetry, and socio-cultural commentary.

License: CC-BY-NC-SA-4.0

Locale: brh

Task: NLP

Format: TXT

Size: 317.22 KB

Balochistan Educational and Cultural Organization

Western Balochi Literature Cropus

A cleaned literary corpus in Western Balochi (Rakhshani) including articles, research, translations, and creative literature. (~1.1 m tokens)

License: CC-BY-NC-4.0

Locale: bgn

Task: NLP

Format: TXT

Size: 2.26 MB

Balochistan Educational and Cultural Organization

NAWA-E-WATAN Balochi Newspaper Corpus

A ~1.02M-token Balochi newspaper corpus from NAWA-E-WATAN, representing contemporary journalistic and public discourse.

License: CC-BY-NC-4.0

Locale: bgn

Task: NLP

Format: TXT

Size: 1.43 MB

Collaborative Action For Research & Development (CARD)

Gawri (گاؤری) Magazine Corpus

The Gawri (گاؤری) Magazine Corpus is a curated collection of monthly Gawri magazine text (~67,724 tokens) that supports research and language technology.

License: CC-BY-NC-4.0

Locale: gwc

Task: NLP

Format: TXT

Size: 146.71 KB

Community

TTS Javanese - Ngapak Dialect

A scripted speech collection of audio recordings featuring the distinctive Ngapak dialect from the North Coast of Central Java (Pantura) Province, Indonesia.

License: CC-BY-SA-4.0

Locale: jav

Task: TTS

Format: WEBM, TSV

Size: 567.12 MB

Universitas Gadjah Mada

Jember Javanese Spontaneous Speech Corpus

A 10-hour spoken dataset of native Javanese speakers from Jember, East Java, representing the Jember dialect and Pandhalungan variety in natural speech.

License: CC-BY-NC-SA-4.0

Locale: jav

Task: ASR

Format: MP3, TSV

Size: 271.65 MB

Ok nemi totlahtool

Zacatlán Tepetzintla Nahuatl Transcriptions

The most up-to-date version of ongoing transcription effort corresponding to the Zacatlan Tepetzinla Nahuatl Audio dataset.

License: CC-BY-ND-4.0

Locale: nhi

Task: ASR

Format: TRS

Size: 320.28 KB

Ok nemi totlahtool

Zacatlán Tepetzintla Nahuatl Audio

Approximately 114 hours of recorded audio of Zacatlán-Ahuacatlán-Tepetzintla Nahuatl language (Glottocode zaca1241).

License: CC-BY-ND-4.0

Locale: nhi

Task: ASR

Format: WAV

Size: 50.19 GB