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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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940 Datasets

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

INEL Nganasan Speech Corpus

A 38.5-hour Speech-to-Text dataset for Nganasan, an endangered Samoyedic language. Features audio aligned with text transcriptions.

License: CC-BY-NC-SA-4.0

Locale: nio

Task: ASR

Format: TSV, MP3

Size: 1.29 GB

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

INEL Evenki Speech Corpus

A 2.5-hour supervised Speech-to-Text dataset for Evenki, an endangered Tungusic language. Features sentence-level audio aligned with text transcriptions.

License: CC-BY-NC-SA-4.0

Locale: evn

Task: ASR

Format: TSV, MP3

Size: 103.03 MB

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 Finno-Ugric/Uralic Studies, University of Hamburg

INEL Kamas Speech Corpus

A 14-hour Speech-to-Text dataset for Kamas, an extinct Samoyedic language waiting to be revitalized. Features audio aligned with text transcriptions.

License: CC-BY-NC-SA-4.0

Locale: xas

Task: ASR

Format: TSV, MP3

Size: 376.64 MB

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

INEL Selkup Speech Corpus

A 1.6-hour supervised Speech-to-Text dataset for Selkup, an endangered Samoyedic language. Features sentence-level audio-text alignments.

License: CC-BY-NC-SA-4.0

Locale: sel

Task: ASR

Format: TSV, MP3

Size: 45.46 MB

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

INEL Enets Speech Corpus

A 3.7-hour supervised Speech-to-Text dataset for Enets, an endangered Samoyedic language. Features sentence-level audio aligned with text transcriptions.

License: CC-BY-NC-SA-4.0

Locale: enf, enh

Task: ASR

Format: TSV, MP3

Size: 140.56 MB

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

INEL Nenets Speech Corpus

A supervised Speech-to-Text dataset for Nenets, a Samoyedic language. Features sentence-level audio aligned with Cyrillic text transcriptions.

License: CC-BY-NC-SA-4.0

Locale: yrk

Task: ASR

Format: TSV, MP3

Size: 8.35 MB

LocaleNLP

English Hausa Parallel Corpus

An English–Hausa dataset with 5,000 sentence pairs useful for machine translation and basic language processing tasks.

License: CC-BY-NC-4.0

Locale: eng, hau

Task: MT

Format: csv

Size: 164.32 KB

Anjuman e Katib

Persian Literature Corpus by Najwai Sukhan

A curated Persian literary corpus of ~1.26M tokens spanning literature, poetry, educational writing, and culturally significant texts.

License: CC-BY-NC-4.0

Locale: fas

Task: NLP

Format: TXT

Size: 38.62 MB

Community

Heroes English-Spanish Dubbed Movie Speech Corpus

7000 single speaker speech segments from the original and Spanish dubbed version of 21 episodes of TV series Heroes

License: CC-BY-SA-4.0

Locale: eng, spa

Task: NLP

Format: wav, csv, txt

Size: 1.68 GB

Institute of African Digital Humanities

Mvele_ALCAM-MultimodalDataset

A multimodal dataset comprising example sentences in Mvele and their French translation, together with audio recordings and an audio mapping file.

License: NOODL-1.0

Locale: ewo

Task: NLP

Format: MP3, TSV

Size: 14.13 MB

EELLAK - GreekFOSS

Istorima

Oral history interviews from Istorima archive (transcriptions+metadata) in Greek on social/cultural/historical topics

License: CC BY-NC-ND 4.0

Locale: gr-GR

Task: NLP

Format: PARQUET

Size: 416.02 MB

UP EEEI - Digital Signal Processing Laboratory

UP - DSP - Philippine Languages Database (UP-DSP-PLD)

A multilingual corpora for ten Philippine languages containing over 454 hours of recordings

License: CC-BY-NC-4.0

Locale: phi

Task: ASR

Format: WAV, LOG

Size: 45.63 GB

Community

Urdu Multi-Speaker TTS Dataset

An Urdu multi-speaker TTS dataset distributed in 36 zip files, each containing audio files and a TSV mapping file, with approximately 10 hours of speech.

License: CC-BY-NC-4.0

Locale: urd

Task: TTS

Format: WEBM, TSV

Size: 514.54 MB

Balochistan Educational and Cultural Organization

BECO Brahui Literature Corpus

A ~355k-token Brahui literary corpus of short stories, novels, and other creative works for linguistic research and NLP.

License: CC-BY-NC-SA-4.0

Locale: brh

Task: NLP

Format: TXT

Size: 1.19 MB

Community

Malayalam Time-Aligned Speech Corpus

A Malayalam speech dataset containing 100 audio files with time-aligned .srt transcriptions from 5 speakers.

License: CC-BY-NC-4.0

Locale: mal

Task: ASR

Format: WAV, SRT

Size: 1.50 GB

Digital Divide Data

ddd-kenya-somali-68hrs-asr-part3

A collection of high-quality, crowdsourced audio recordings and verified transcriptions for the Somali language, produced by Digital Divide Data.

License: CC-BY-4.0

Locale: som

Task: ASR

Format: WAV, TSV

Size: 1.33 GB

Digital Divide Data

ddd-kenya-somali-68hrs-asr-part2

A collection of high-quality, crowdsourced audio recordings and verified transcriptions for the Somali language, produced by Digital Divide Data.

License: CC-BY-4.0

Locale: som

Task: ASR

Format: WAV, TSV

Size: 8.07 GB

Digital Divide Data

ddd-kenya-somali-68hrs-asr-part1

A collection of high-quality, crowdsourced audio recordings and verified transcriptions for Somali language, produced by Digital Divide Data

License: CC-BY-4.0

Locale: som

Task: ASR

Format: WAV, TSV

Size: 7.68 GB

Community

TODa: Tamazight Open Dataset

Welcome to the Tamazight Open Dataset (TODa), a groundbreaking open-source project dedicated to preserving and advancing the Tamazight language. With its extensive collection of linguistic data, TODa stands as a pioneering collaborative project for Tamazight <=> Englis translation, specifically designed for Natural Language Processing applications. TODa's unique approach combines both semantic and syntactic categorization methods, offering a rich representation of words in their various contexts and forms. The dataset encompasses a comprehensive collection of linguistic elements, including detailed verb conjugations across different tenses, noun variations, and an extensive compilation of translated expressions that capture the language's nuances. What sets TODa apart is its inclusive approach to Tamazight's writing systems. The dataset thoughtfully incorporates Latin alphabets, acknowledging and preserving the diverse writing traditions practiced across Amazigh communities. This dual-script approach ensures broader accessibility and cultural authenticity. Our vision is to establish TODa as the cornerstone resource for Tamazight Natural Language Processing. Through this meticulously curated dataset, we strive to empower developers and researchers to create innovative NLP solutions that authentically serve the Amazigh-speaking community. We take pride in our current progress, yet acknowledge that language documentation is an evolving journey. We actively encourage participation from the Amazigh technology community to contribute their expertise in expanding and refining the dataset. Through collaborative effort, we can create a robust foundation for technological innovations that honor and advance Amazigh linguistic heritage.

License: CC-BY-4.0

Locale: zgh

Task: NLP

Format: CSV

Size: 3.27 MB

Community

TTS Balinese Language

This TTS dataset contains Balinese language used in daily activities.

License: CC-BY-SA-4.0

Locale: ban

Task: TTS

Format: WEBM, TSV

Size: 301.05 MB

Community

Kokoro Speech Dataset

Kokoro Speech Dataset is a public domain Japanese speech dataset. (https://github.com/kaiidams/Kokoro-Speech-Dataset)

License: libribox

Locale: ja

Task: TTS

Format: FLAC

Size: 3.98 GB

Community

Sundanese TTS

This dataset uses the Priangan dialect of West Java with Indonesian code-mixing and code-switching.

License: CC-BY-SA-4.0

Locale: sun

Task: TTS

Format: WEBM, TSV

Size: 298.10 MB

MDC Community Concierge

Bangor Miami Spanish-English Corpus

Spanish-English bilingual speech corpus with 35 hours of recorded audio and 240,000 words.

License: GPL-3.0

Locale: es-US, en-US

Task: ASR

Format: MP3, CHA, TSV

Size: 1.12 GB