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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

All Datasets

998 Datasets

Forum for Language Initiatives

Hussain Faizy Indus Kohistani Corpus

The Indus Kohistani corpus contains around 500k tokens of folktales, stories, poetry, biographies, and conversational texts, all transcribed with a consistent community orthography. Reviewed by native speakers, the corpus offers a representative snapshot of the language’s vocabulary and grammar for linguistic and computational research.

License: CC-BY-SA-4.0

Locale: mvy

Task: NLP

Format: TXT

Size: 14.70 MB

Institute of African Digital Humanities

Ewondo-Yanda-ALCAM-MultimodalDataset

Curated Ewondo (Yanda) sentences with French translations, audio recordings, and sentence–audio alignments.

License: NOODL-1.0

Locale: ewo

Task: NLP

Format: MP3, TSV

Size: 18.09 MB

Open Home Foundation

Flemishguy 1.0

Text to speech dataset for Dutch, male speaker, approximately 1 hour of read speech.

License: CC0-1.0

Locale: nl-BE

Task: TTS

Format: FLAC

Size: 73.69 MB

Open Home Foundation

Faber 1.0

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

License: CC0-1.0

Locale: pt-BR

Task: TTS

Format: WEBM

Size: 30.98 MB

Open Home Foundation

Darkman 1.0

Text to speech dataset for Polish, male speaker, approximately 2 hours of read speech.

License: CC0-1.0

Locale: pl-PL

Task: TTS

Format: WEBM

Size: 40.42 MB

Open Home Foundation

Jeff 1.0

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

License: CC0-1.0

Locale: pt-BR

Task: TTS

Format: WEBM

Size: 90.74 MB

Open Home Foundation

Mihai 1.0

Text to speech dataset for Romanian, male speaker, approximately 2 hours of read speech.

License: CC0-1.0

Locale: ro-RO

Task: TTS

Format: WEBM

Size: 66.31 MB

Open Home Foundation

Denis 1.0

Text to speech dataset for Russian, male speaker, approximately 2 hours of read speech.

License: CC0-1.0

Locale: ru-RU

Task: TTS

Format: WEBM

Size: 104.52 MB

Open Home Foundation

Dmitri 1.0

Text to speech dataset for Russian, male speaker, approximately 2 hours of read speech.

License: CC0-1.0

Locale: ru-RU

Task: TTS

Format: WEBM

Size: 96.63 MB

Open Home Foundation

Lili 1.0

Text to speech dataset for Slovak, female speaker, approximately 2 hours of read speech.

License: CC0-1.0

Locale: sk-SK

Task: TTS

Format: WEBM

Size: 72.38 MB

Open Home Foundation

Ronnie 1.0

Text to speech dataset for Dutch, male speaker, approximately 2 hours of read speech.

License: CC0-1.0

Locale: nl-NL

Task: TTS

Format: WEBM

Size: 106.23 MB

Open Home Foundation

Cadu 1.0

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

License: CC0-1.0

Locale: pt-BR

Task: TTS

Format: WEBM

Size: 30.98 MB

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

Open Home Foundation

Gosia 1.0

Text to speech dataset for Polish, female speaker, approximately 2 hours of read speech.

License: CC0-1.0

Locale: pl-PL

Task: TTS

Format: WEBM

Size: 39.75 MB

Open Home Foundation

Pim 1.0

Text to speech dataset for Dutch, male speaker, approximately 2 hours of read speech.

License: CC0-1.0

Locale: nl-NL

Task: TTS

Format: WEBM

Size: 108.08 MB

Open Home Foundation

Nathalie 1.0

Text to speech dataset for Dutch, female speaker, approximately 1 hour of read speech.

License: CC0-1.0

Locale: nl-BE

Task: TTS

Format: WEBM

Size: 21.87 MB

Open Home Foundation

Chitwan 1.0

Text to speech dataset for Nepali, male speaker, approximately 1 hour of read speech.

License: CC0-1.0

Locale: ne-NE

Task: TTS

Format: WEBM

Size: 61.68 MB

NaijaVoices (Lanfrica Labs)

Future-proofing Gbagyi: A community centered approach

This dataset comprises 360 audio recordings of the Gbagyi language, comprising approximately 7 hours 52 minutes of speech data, with paired transcripts.

License: CC-BY-NC-SA-4.0

Locale: gbr

Task: NLP

Format: WAV

Size: 18.88 GB

Sindh Sujag Newspaper Agency

Sindh Sujag Newspaper Corpus

The corpus contains approximately 1.2 million tokens from the Sindh Sujag Newspaper Agency published between 2024 and 2025. It includes complete newspaper content such as headlines, editorials, finance news, and advertisements. The newspaper is published daily in Karachi, Pakistan, and represents a comprehensive collection of contemporary Sindhi journalistic writing.

License: CC-BY-4.0

Locale: snd

Task: NLP

Format: TXT

Size: 2.63 MB

Aim Foundation

Aim Foundation Dari Literature Corpus

This corpus is a collection of more than seven hundred thousand tokens of Dari language. The corpus contains work of literature including poems, stories, novels, fictional and non-fictional and different articles. 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: prs

Task: NLP

Format: TXT

Size: 1.74 MB

Rana Printers Multan

Rana Printers Urdu Literature Corpus

This corpus comprises 1.68 million tokens of high-quality Urdu text collected over the past decade through Rana Printers. It includes a diverse range of literary genres such as stories, short stories, novels, fiction, non-fiction, poetry, and historical works. All content is shared with the authors’ approval. The dataset is intended to support linguistic research, Urdu language technology development, and the preservation of literary and cultural heritage.

License: CC-BY-NC-4.0

Locale: ur

Task: OTH

Format: TXT

Size: 3.00 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

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

Kaleem Art Press

Kaleem Art Press Saraiki Literature Corpus

This corpus contains approximately one million tokens of Saraiki text curated over the past ten years by Kaleem Art Press. It features a wide range of literary genres, including stories, short stories, novels, fiction, non-fiction, travelogues, poetry, biographies, and historical writings. All content is shared with full author approval. The dataset is intended to support linguistic research, Saraiki language technology development, and the preservation of cultural and literary heritage.

License: CC-BY-NC-4.0

Locale: skr

Task: OTH

Format: TXT

Size: 1.84 MB