Datasets | Mozilla Data Collective

Common Voice

Common Voice Scripted Speech 26.0 - Atayal

A collection of read speech recordings in Atayal.

License: CC0-1.0

Locale: tay

Task: ASR

Format: MP3

Size: 250.94 MB

Tamazight NLP

AmaWar

Amawal Warayni - ⴰⵎⴰⵡⴰⵍ ⴰⵙⵏⵎⴰⵍⴰⵢ ⵏ ⵉⵏⵓⵎⴰⴽ ⵏ ⵡⴰⵙⵙⴰⵖⵏ ⴷ ⵉⵎⵢⴰⴳⵏ ⵏ ⵜⵎⴰⵣⵉⵖⵜ ⵏ ⴰⵢⵜ ⵡⴰⵔⴰⵢⵏ

License: Apache-2.0

Locale: rif

Task: MT

Format: TSV

Size: 100.28 KB

Taruen

Kazakh Proverbs Text Corpus

A corpus of traditional Kazakh proverbs from the Babalar sözi series (vols 65-69), designed for NLP and LLM cultural competence evaluations.

License: CC0-1.0

Locale: kk

Task: NLP

Format: TXT

Size: 592.14 KB

RFE/RL

RFE/RL Tatar-Bashkir News Text Corpus

This dataset is longitudinal news corpus for the Tatar and Bashkir languages, sourced from Azatliq Radiosi, from 2001 to 2025, it contains over 105,000 articles (30M tokens).

License: CC-BY-NC-SA-4.0

Locale: tt,ba,ru

Task: NLP

Format: TXT

Size: 102.44 MB

Community

Betawi TTS of Cultural Language (BEKAL)

Betawi TTS of Cultural Language (BEKAL) this dataset uses the Betawi dialect of West Java with Indonesian code-mixing and code-switching.

License: CC-BY-SA-4.0

Locale: bew

Task: TTS

Format: WEBM, TSV

Size: 309.99 MB

Taruen

Uzbek Proverbs Text Corpus

A corpus of traditional Uzbek proverbs digitized from a 2005 volume, designed for NLP tasks and LLM cultural competence evaluations.

License: CC0-1.0

Locale: uz

Task: NLP

Format: TXT

Size: 142.68 KB

RFE/RL

RFE/RL Crimean Tatar News Text Corpus

Longitudinal Crimean Tatar news corpus from Qırım.Aqiqat (2014-2026) with over 32,000 articles and 7.5M tokens.

License: CC-BY-NC-SA-4.0

Locale: crh

Task: NLP

Format: TXT

Size: 18.35 MB

NaijaVoices (Lanfrica Labs)

Atyap Afwan_: Preserving Tyap Through Community-Driven Speech Data

This dataset contains 98 recordings (≈1.16 hours) of everyday Tyap speech from 10 community speakers, each paired with detailed transcripts and English translations.

License: CC-BY-NC-SA-4.0

Locale: kcg

Task: NLP

Format: WAV, TXT

Size: 251.51 MB

Community

Ladino: Una Fraza al Diya

307 Ladino (Judeo-Spanish) language learning sentences with translations in Turkish, English, and Spanish, plus audio recordings and images.

License: CC-BY-4.0

Locale: lad

Task: NLP

Format: OGG, JPEG, TSV

Size: 76.35 MB

Community

Şalom Ladino Corpus

Text corpus of 176,843 words compiled from 397 Judeo-Espanyol articles from Şalom newspaper.

License: CC-BY-4.0

Locale: lad

Task: LM

Format: TXT

Size: 403.16 KB

Community

TTS Bugis - Barru Dialect: Language and Identity

This dataset focuses on the Bugis language, specifically the Barru dialect, and encompasses both formal and informal linguistic registers of Bugis.

License: CC-BY-NC-4.0

Locale: bug

Task: TTS

Format: WEBM, TSV

Size: 287.70 MB

Common Voice

Common Voice Spontaneous Speech 4.0 - Kelabit

A collection of spontaneous responses to questions in Kelabit.

License: CC0-1.0

Locale: kzi

Task: ASR

Format: MP3

Size: 194.34 MB

RFE/RL

RFE/RL Turkmen News Text Corpus

Longitudinal Turkmen & Russian news corpus from Azatlyk Radiosy (2009-2026) with nearly 65,000 articles and 16.5M tokens.

License: CC-BY-NC-SA-4.0

Locale: tk,ru

Task: NLP

Format: TXT

Size: 48.28 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

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

Institute of Finno-Ugric/Uralic Studies, University of Hamburg

INEL Dolgan Speech Corpus

A 13-hour supervised Speech-to-Text dataset for Dolgan, an endangered Turkic language. Features sentence-level audio aligned with text transcriptions.

License: CC-BY-NC-SA-4.0

Locale: dlg

Task: ASR

Format: TSV, MP3

Size: 583.34 MB

Institute of African Digital Humanities

Bati-MultiDialectalASR-Dataset

This dataset contains paired audio and text resources for three Bati dialects (Kelleng, Mbougue, and Nyambat), which belong to the Yambasa group of Bantu languages found in Cameroon. It contains 13,344 audio clips totalling 6 hours, 8 minutes and 12.286 seconds and 44 audio/text mapping files totalling 13,346 lines. Due to its cross-dialectal nature, the dataset is suitable for multilingual automatic speech recognition tasks.

License: NOODL-1.0

Locale: btc

Task: ASR

Format: WAV, TSV

Size: 3.27 GB

Common Voice

Common Voice Spontaneous Speech 4.0 - Serian Bidayuh

A collection of spontaneous responses to questions in Serian Bidayuh.

License: CC0-1.0

Locale: sdo

Task: ASR

Format: MP3

Size: 201.27 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

MirasAI

Chittagonian (চাটগাঁইয়া, saṭgãia) Text Corpus

A 690K token corpus of raw Chittagonian text covering drama, poetry, and folklore for linguistic research and NLP development.

License: CC-BY-NC-SA-4.0

Locale: ctg

Task: NLP

Format: TXT

Size: 6.59 MB

Common Voice

Common Voice Scripted Speech 26.0 - Bunun

A collection of read speech recordings in Bunun.

License: CC0-1.0

Locale: bnn

Task: ASR

Format: MP3

Size: 235.71 MB

Bahasa Bahana

BAHANA-Betawi TTS

This dataset consists of various texts involving Indonesian and English code-mixing and read by Betawi speakers of West Java Province, Indonesia.

License: CC-BY-SA-4.0

Locale: bew

Task: TTS

Format: WEBM, TSV

Size: 316.13 MB

Common Voice

Common Voice Scripted Speech 26.0 - Santali (Ol Chiki)

A collection of read speech recordings in Santali (Ol Chiki).

License: CC0-1.0

Locale: sat

Task: ASR

Format: MP3

Size: 20.51 MB

Institute of African Digital Humanities

Teke-Laali-TTS-Dataset

The dataset contains paired audio and text resources for Teke-Laali, a Bantu language spoken in the Congo. It consists of seven folders containing a total of 9,069 audio clips from raw audio recordings, with a total duration of 7:01:50.126 (HH:MM:SS.mmm). Additionally, there are seven audio/text mapping files containing a total of 9,069 lines. The dataset is suitable for TTS tasks.

License: NOODL-1.0

Locale: lli

Task: TTS

Format: WAV, TSV

Size: 635.61 MB

All Datasets

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Common Voice Scripted Speech 26.0 - Atayal

AmaWar

Kazakh Proverbs Text Corpus

RFE/RL Tatar-Bashkir News Text Corpus

Betawi TTS of Cultural Language (BEKAL)

Uzbek Proverbs Text Corpus

RFE/RL Crimean Tatar News Text Corpus

Atyap Afwan_: Preserving Tyap Through Community-Driven Speech Data

Ladino: Una Fraza al Diya

Şalom Ladino Corpus

TTS Bugis - Barru Dialect: Language and Identity

Common Voice Spontaneous Speech 4.0 - Kelabit

RFE/RL Turkmen News Text Corpus

Kaleem Art Press Saraiki Literature Corpus

Talar (تلار) Barahui Magazine Corpus

INEL Dolgan Speech Corpus

Bati-MultiDialectalASR-Dataset

Common Voice Spontaneous Speech 4.0 - Serian Bidayuh

Aim Foundation Dari Literature Corpus

Chittagonian (চাটগাঁইয়া, saṭgãia) Text Corpus

Common Voice Scripted Speech 26.0 - Bunun

BAHANA-Betawi TTS

Common Voice Scripted Speech 26.0 - Santali (Ol Chiki)

Teke-Laali-TTS-Dataset