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Terms

FAQs

Participation Guidelines

Responsible Disclosure

News and Documentation

Data and Model Competitions

[email protected]

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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151 Datasets

MDC Curators

CoVoST 2 Dutch - English

The dataset includes audio files in Dutch and their translations in English.

License: CC-BY-NC-4.0

Locale: nl, en

Task: MT

Format: MP3, TSV

Size: 296.60 MB

Institute of African Digital Humanities

Basaa-ALCAM-MultimodalDataset

This dataset comprises a datasheet of lexical entries in Basaa, accompanied by illustrative sentences, word-by-word glosses, and corresponding translations in French. Each entry is enriched with aligned audio recordings, making the resource suitable for linguistic analysis and speech technology development.

License: NOODL-1.0

Locale: bas

Task: NLP

Format: MP3, TSV

Size: 14.66 MB

MDC Curators

CoVoST 2 Japanese - English

The dataset includes audio files in Japanese and their translations in English.

License: CC-BY-NC-4.0

Locale: ja, en

Task: MT

Format: MP3, TSV

Size: 82.06 MB

Mozilla Common Voice

Common Voice Spontaneous Speech 5.0 - Thur

A collection of spontaneous responses to questions in Thur.

License: CC0-1.0

Locale: lth

Task: ASR

Format: MP3

Size: 309.93 MB

CLEAR Global

TWB Parallel Sentence kits - Congo Swahili (25k)

25,305 French–Congo Swahili parallel sentences from CLEAR Global's Gamayun kits, translated by professional translators from Tatoeba source sentences.

License: CC-BY-4.0

Locale: swc

Task: MT

Format: TSV

Size: 2.18 MB

MDC Curators

CoVoST 2 Tamil - English

The dataset includes audio files in Tamil and their translations in English.

License: CC-BY-NC-4.0

Locale: ta, en

Task: MT

Format: MP3, TSV

Size: 81.45 MB

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MDC Curators

CoVoST 2 Latvian - English

The dataset includes audio files in Latvian and their translations in English.

License: CC-BY-NC-4.0

Locale: lv, en

Task: MT

Format: MP3, TSV

Size: 127.28 MB

Mozilla Common Voice

Common Voice Spontaneous Speech 5.0 - Mon

A collection of spontaneous responses to questions in Mon.

License: CC0-1.0

Locale: mnw

Task: ASR

Format: MP3

Size: 386.10 KB

MDC Curators

CoVoST 2 Mongolian - English

The dataset includes audio files in Mongolian and their translations in English.

License: CC-BY-NC-4.0

Locale: mn, en

Task: MT

Format: MP3, TSV

Size: 225.93 MB

Mozilla Common Voice

Common Voice Scripted Speech 27.0 - Tshivenda

A collection of read speech recordings in Tshivenda.

License: CC0-1.0

Locale: ve

Task: ASR

Format: MP3

Size: 1.33 MB

MDC Curators

CoVoST 2 French - English

The dataset includes audio files in French and their translations in English.

License: CC-BY-NC-4.0

Locale: fr, en

Task: MT

Format: MP3, TSV

Size: 8.08 GB

CLEAR Global

TWB Parallel Sentence kits - Nande (15k)

15,000 French–Nande parallel sentences from CLEAR Global's Gamayun kits, translated by professional translators from Tatoeba source sentences.

License: CC-BY-4.0

Locale: nnb

Task: MT

Format: TSV

Size: 1.26 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

MDC Curators

CoVoST 2 Estonian - English

The dataset includes audio files in Estonian and their translations in English.

License: CC-BY-NC-4.0

Locale: et, en

Task: MT

Format: MP3, TSV

Size: 239.07 MB

MirasAI

Balti Literature corpus

A Balti literature corpus preserving literary, cultural, and linguistic heritage for language documentation, research and low-resource NLP applications.

License: CC-BY-NC-SA-4.0

Locale: bft

Task: NLP

Format: TXT, DOCX

Size: 292.67 KB

MDC Curators

CoVoST 2 English - Catalan

The dataset includes audio files in English and their translations in Catalan.

License: CC-BY-NC-4.0

Locale: en, ca

Task: MT

Format: MP3, TSV

Size: 12.56 GB

MirasAI

Ormuri Bilingual Dictionary by Rozi Khan Burki

A Ormuri dictionary by Rozi Khan Burki documenting Ormuri vocabulary and meanings to support language preservation, linguistic research, and NLP development.

License: CC-BY-ND-4.0

Locale: oru

Task: TTS

Format: JPG, PDF, DOCX

Size: 15.68 MB

MDC Curators

CoVoST 2 English - Indonesian

The dataset includes audio files in English and their translations in Indonesian.

License: CC-BY-NC-4.0

Locale: en, id

Task: MT

Format: MP3, TSV

Size: 12.56 GB

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

MDC Curators

CoVoST 2 English - Estonian

The dataset includes audio files in English and their translations in Estonian.

License: CC-BY-NC-4.0

Locale: en, et

Task: MT

Format: MP3, TSV

Size: 12.56 GB

Open Home Foundation

Tugão 1.0

Text to speech dataset for Portuguese, male speaker, approximately 1.5 hours of read speech.

License: CC0-1.0

Locale: pt-PT

Task: TTS

Format: WEBM

Size: 61.84 MB

MDC Curators

CoVoST 2 English - German

The dataset includes audio files in English and their translations in German.

License: CC-BY-NC-4.0

Locale: en, de

Task: MT

Format: MP3, TSV

Size: 12.56 GB

Mozilla Common Voice

Common Voice Scripted Speech 27.0 - Mingrelian

A collection of read speech recordings in Mingrelian.

License: CC0-1.0

Locale: xmf

Task: ASR

Format: MP3

Size: 255.57 MB

MDC Curators

CoVoST 2 English - Japanese

The dataset includes audio files in English and their translations in Japanese.

License: CC-BY-NC-4.0

Locale: en, ja

Task: MT

Format: MP3, TSV

Size: 12.56 GB