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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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200 Datasets

Community

CV Korean Test 25.0 - Noise-Augmented (SCAI)

A noise-augmented version of the Mozilla Common Voice Korean test split for robust ASR evaluation under realistic acoustic conditions.

License: CC0-1.0

Locale: ko

Task: ASR

Format: MP3, JSONL

Size: 21.01 MB

Common Voice

Common Voice Spontaneous Speech 4.0 - Amba

A collection of spontaneous responses to questions in Amba.

License: CC0-1.0

Locale: rwm

Task: ASR

Format: MP3

Size: 266.28 MB

Jamuna Printing and Publishing Ltd.

The Daily Jugantor Bengali Language Corpus

Monolingual Bengali corpus of 10.6 million words from Daily Jugantor, a major Bengali news source.

License: CC-BY-NC-SA-4.0

Locale: ben

Task: NLP

Format: DOCX

Size: 40.49 MB

Common Voice

Common Voice Scripted Speech 26.0 - Taiwanese (Minnan)

A collection of read speech recordings in Taiwanese (Minnan).

License: CC0-1.0

Locale: nan-tw

Task: ASR

Format: MP3

Size: 469.67 MB

iSocial

RAPNIC - Catalan Impaired Speech (Example Set)

An example set of RAPNIC, the first Catalan speech corpus of people with speech disorders such as cerebral palsy and Down syndrome.

License: CC-BY-NC-SA-4.0

Locale: ca

Task: ASR

Format: WAV, TSV

Size: 105.22 MB

MDC Curators

CoVoST 2 Chinese (China) - English

The dataset includes audio files in Chinese (China) and their translations in English.

License: CC-BY-NC-4.0

Locale: zh-CN, en

Task: MT

Format: MP3, TSV

Size: 713.86 MB

Institute of African Digital Humanities

Mada-French Parallel Corpus 1.0

This dataset comprises a parallel corpus of 2,154 lines of translations of literary texts from Mada (mxu) to French.

License: NOODL-1.0

Locale: mxu

Task: MT

Format: TSV

Size: 122.37 KB

Common Voice

Common Voice Scripted Speech 26.0 - Kalenjin

A collection of read speech recordings in Kalenjin.

License: CC0-1.0

Locale: kln

Task: ASR

Format: MP3

Size: 1.61 GB

CLEAR Global

Marma Text Corpus

Marma language sentences with original and normalized text forms, supporting language technology development for this Tibeto-Burman language.

License: CC-BY-NC-SA-4.0

Locale: rmz

Task: LM

Format: TSV

Size: 188.92 KB

Common Voice

Common Voice Spontaneous Speech 4.0 - Arvanitika

A collection of spontaneous responses to questions in Arvanitika.

License: CC0-1.0

Locale: aat

Task: ASR

Format: MP3

Size: 46.85 MB

CLEAR Global

Synthetic Text Corpus for African Language ASR

LLM-generated synthetic text in 10 African languages with human linguistic quality evaluations

License: CC-BY-NC-4.0

Locale: bm,ny,ha,kr,luo

Task: NLP

Format: TSV

Size: 746.63 KB

Community

Thorsten-Voice Dataset 2021.06 Emotional

German emotional speech dataset (2,400 recordings, 8 emotions), CC0 licensed, 22,050 Hz mono WAV, for TTS and speech research.

License: CC0-1.0

Locale: de-DE

Task: TTS

Format: WAV,CSV

Size: 380.80 MB

Anjuman e Katib

Anjuman-e-Katib Farsi/Persian Literature Corpus

This corpus is a collection of more than one million tokens of Farsi/Persian language. The corpus contains work of literature including novels, fictional and non-fictional, poems and many more. the data is shared with the approval of the authors and aims to support linguistic research, language technology development and its preservation.

License: CC-BY-NC-4.0

Locale: fas

Task: NLP

Format: TXT

Size: 2.82 MB

Common Voice

Common Voice Scripted Speech 26.0 - Dholuo

A collection of read speech recordings in Dholuo.

License: CC0-1.0

Locale: luo

Task: ASR

Format: MP3

Size: 2.08 GB

Habib University

Burushaski-English Speech Translation Corpus

A linguistically informed Burushaski speech - English text corpus containing 14,970 short audio recordings paired with corresponding English text translations.

License: CC-BY-NC-SA-4.0

Locale: bsk

Task: MT

Format: WAV, TXT

Size: 921.47 MB

Prompsit Language Engineering

Prompsit D1 - Inline Asset Integrity

MT benchmark for preserving inline tags, placeholders and ICU markup under translation; EN to 9 languages.

License: CC-BY-4.0

Locale: mul

Task: MT

Format: JSONL

Size: 201.48 KB

Chishti Sons

Chishti Sons Punjabi Literature Corpus

This corpus is a collection of more than one million tokens of Western Punjabi language. The data was produced under the Chishti Sons publishing agency. The corpus contains work of literature including short stories, stories, fiction, non-fiction, and other literary books. The data is being shared with the approval of the authors. It aims to support linguistic research, language technology development, and cultural preservation.

License: CC-BY-NC-4.0

Locale: pnb

Task: NLP

Format: TXT

Size: 1.65 MB

Common Voice

Common Voice Spontaneous Speech 4.0 - Tudaga

A collection of spontaneous responses to questions in Tudaga.

License: CC0-1.0

Locale: tuq

Task: ASR

Format: MP3

Size: 13.61 MB

Baloch Publishers Multan

Baloch Publishers Saraiki Literature Corpus

This corpus is a collection of one million tokens of Saraiki language. The data was produced under the Baloch Publishers over the last ten years. The corpus contains work of literature including dictionaries, short stories, novels, fiction, non-fiction, and travelogue. The data is being shared with the approval of the authors. It aims to support linguistic research, language technology development, and cultural preservation.

License: CC-BY-NC-4.0

Locale: skr

Task: NLP

Format: TXT

Size: 2.04 MB

Common Voice

Common Voice Scripted Speech 26.0 - Iñupiaq

A collection of read speech recordings in Iñupiaq.

License: CC0-1.0

Locale: ipk

Task: ASR

Format: MP3

Size: 146.36 MB

Kaleem Art Press

Kaleem Art Press Urdu Literature Corpus

This corpus is a collection of 1.44 million tokens of Urdu language . The data was produced under the Kaleem Art Press over the last fifteen years . The corpus contains work of literature including Stories, Short Stories, Novels, fiction, non-fiction, Travelogues, Poetry, Biography, and History. The data is being shared with the approval of the authors. It aims to support linguistic research, language technology development, and cultural preservation.

License: CC-BY-NC-4.0

Locale: ur

Task: OTH

Format: TXT

Size: 2.85 MB

Common Voice

Common Voice Spontaneous Speech 4.0 - Kuku

A collection of spontaneous responses to questions in Kuku.

License: CC0-1.0

Locale: ukv

Task: ASR

Format: MP3

Size: 238.25 MB

MirasAI

Kannada Text Corpus

A curated Kannada text corpus containing diverse written content for natural language processing, linguistic research, and language technology development.

License: CC-BY-NC-SA-4.0

Locale: kan

Task: NLP

Format: TXT

Size: 2.61 MB

Common Voice

Common Voice Scripted Speech 26.0 - Tunen

A collection of read speech recordings in Tunen.

License: CC0-1.0

Locale: tvu

Task: ASR

Format: MP3

Size: 195.42 MB