Datasets | Mozilla Data Collective

All Datasets

Compensated Datasets

API

Contribute Datasets

Loading datasets...

Terms

FAQs

Participation Guidelines

Responsible Disclosure

support@mozilladatacollective.com

Terms

FAQs

Participation Guidelines

Responsible Disclosure

support@mozilladatacollective.com

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

Sindh Line Publishers

The corpus contains 1.029 million tokens from the Sindh Line a Sindhi Newspaper published from the year 2024-2025. The text consists of the complete newspaper content including headlines, editorials, finance news and advertisements. The newspaper published in Karachi, Pakistan on daily basis

License: CC-BY-SA-4.0

Locale: snd

Task: NLP

Format: TXT

Size: 2.22 MB

Institute of African Digital Humanities

Spoken-Congolese-French-Dataset

The dataset consists of paired audio and text resources on spoken French from the Republic of the Congo. The audio files were extracted from longer recordings of semi-guided interviews conducted in Brazzaville, and orthographic transcriptions were added. The long audio recordings and their corresponding TRJS transcription files were automatically clipped alongside their respective transcriptions. The dataset comprises ten folders containing audio files and ten audio/text mapping files.

License: NOODL-1.0

Locale: fr-CG

Task: NLP

Format: MP3, WAV, TSV

Size: 3.44 GB

Institute of African Digital Humanities

Ewondo_Mbida-Mbani_ALCAM-MultimodalDataset

Ewondo (Mbida-Mbani) sentences with French translations, audio recordings, and sentence–audio alignments.

License: NOODL-1.0

Locale: ewo

Task: NLP

Format: MP3, TSV

Size: 19.25 MB

Balochi Academy

Balochi Academy Text Corpus

This corpus contains approximately 500k tokens of text from novels, poetry, articles, riddles, and proverbs, covering both literary and traditional genres. It is intended for linguistic research, NLP tasks (e.g., language modeling and text analysis), and cultural documentation.

License: CC-BY-NC-SA-4.0

Locale: bgn

Task: NLP

Format: TXT

Size: 1.88 MB

Institute of African Digital Humanities

Mada Narratives

This dataset contains 17 transcribed oral narratives in Mada (mxu), a language belonging to the Afro-Asiatic family that is spoken in Cameroon. The texts, derived from audio recordings of oral literature, reflect natural spoken discourse. This dataset can be used for language modelling, text analysis and other natural language processing (NLP) tasks.

License: NOODL-1.0

Locale: mxu

Task: NLP

Format: TXT

Size: 65.04 KB

Pro Svizra Rumantscha

Surmiran Newspaper Corpus

2.9 million tokens in the Surmiran variety of Romansh from the daily newspaper “La Quotidiana”.

License: CC0-1.0

Locale: rm-surmiran

Task: OTH

Format: TSV

Size: 11.89 MB

Maseno Centre for Applied Artificial Intelligence (MCAAI)

DhoNam: Dholuo Speech dataset

DhoNam: Dholuo Speech dataset is a speech corpus designed to supercharge Automatic Speech Recognition (ASR) and other speech technologies for Dholuo, one of Kenya’s major indigenous languages. This dataset contains native-speaker audio recordings collected through a platform where users read aloud a displayed sentence. The dataset includes the audio recordings and the corresponding prompt/sentence that was read.

License: NOODL-1.0

Locale: Luo

Task: ASR

Format: WEBM

Size: 2.49 GB

Amnesia

Archivo de la Comisionada María de los Ángeles Guzmán García (COTAI Nuevo León / InfoNL)

Este archivo preserva la memoria institucional y académica de la gestión de la Dra. María de los Ángeles Guzmán García como Comisionada de la Comisión de Transparencia y Acceso a la Información del Estado de Nuevo León (COTAI / INFONL) durante el periodo 2018-2025. El dataset consolida el legado documental de una de las perfiles más técnicos y académicos del Sistema Nacional de Transparencia. Doctora en Derecho Constitucional por la Universidad Complutense de Madrid, la Comisionada Guzmán García

License: CC-BY-4.0

Locale: es-MX

Task: NLP

Format: ZIP, PDF, CSV, XLSX

Size: 866.15 MB

IFIT

Improving AI Conflict Resolution Capacities: A Prompts-Based Evaluation

Findings of a follow-up study assessing how leading free-access LLMs perform when adding instructions directing them to apply basic conflict-resolution practices.

License: CC-BY-4.0

Locale: mul

Task: NLP

Format: CSV, PDF

Size: 1.46 MB

IFIT

AI on the Frontline: Evaluating Large Language Models in Real-World Conflict Resolution

Findings of an experimental evaluation to assess how leading free-access LLMs perform when asked to respond to realistic conflict resolution scenarios.

License: CC-BY-4.0

Locale: en-US

Task: NLP

Format: CSV, PDF

Size: 2.36 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

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

Mozilla Common Voice Text Language Identification dataset

A dataset for text-based language identification of 19 Million sentences from over 300 languages taken from Mozilla Common Voice scripted (v23) and spontaneous (v1) speech projects.

License: CC0-1.0

Locale: mul

Task: NLP

Format: TSV

Size: 950.41 MB

The University of Melbourne

Central Kurdish TTS dataset 1.0

This dataset contains high-quality single-speaker audio recordings in Central Kurdish (ckb), intended for building Text-to-Speech (TTS) and Automatic Speech recognition (ASR) systems. The dataset comprises 2 hours and 18 minutes of aligned audio and text data.

License: CC-BY-4.0

Locale: ckb

Task: TTS

Format: wav

Size: 293.45 MB

Institute of African Digital Humanities

Laari-TTS-Dataset

The dataset contains audio and text resources on Laari, a Bantu language spoken in the Congo. The resources, which are suitable for TTS tasks and possibly ASR tasks, consist of the following: - 6,311 audio clips totalling 241 minutes and 44.97 seconds; - an audio mapping file with 5,321 lines, each beginning with the name of an audio file, followed by a tab and then the corresponding text excerpt; - two raw audio files totalling 120 minutes and 54.90 seconds; - two long audio files with their original, non-split transcription files, for a total duration of 120 minutes and 41.90 seconds.

License: NOODL-1.0

Locale: ldi

Task: ASR

Format: WAV, TRJS, TSV

Size: 568.26 MB

Institute of African Digital Humanities

Bomitaba-TTS-Dataset

The dataset comprises three components: audio clips, an audio mapping file, and raw audio of Bomitaba, a Bantu language spoken in the Congo. Each audio clip is paired with its corresponding transcription. There are 2,613 transcribed audio clips, totalling 182 minutes and 4 seconds. There are two raw audio files totalling 121 minutes and 14.24 seconds. The audio mapping file contains 2,610 lines. Each line begins with the name of an audio file, followed by a tab, then the corresponding text exce

License: NOODL-1.0

Locale: zmx

Task: TTS

Format: WAV, TSV

Size: 1.00 GB

Institute of African Digital Humanities

Suundi-TTS-Dataset

The dataset consists of paired audio and text data on Suundi (sdj), a language spoken in Congo. The audio corpus consists of 4,187 clips read by one speaker totaling 188 min 22.68 sec. The dataset also contains a mapping file of audio and text with 4,185 lines. Each line begins with the name of an audio file, followed by a tab and then the corresponding text excerpt. This dataset is suitable for TTS tasks.

License: NOODL-1.0

Locale: sdj

Task: TTS

Format: WAV, TSV

Size: 240.50 MB

Institute of African Digital Humanities

Mbosi-TTS-Dataset

The dataset consists of paired audio and text data on Mbosi (mdw), a language spoken in Congo. The audio corpus consists of 2,575 clips read by one speaker totaling 275 min 48.35 sec. The dataset also contains a mapping file of audio and text with 2,597 lines. Each line begins with the name of an audio file, followed by a tab and then the corresponding text excerpt. This dataset is suitable for TTS tasks.

License: NOODL-1.0

Locale: mdw

Task: TTS

Format: WAV, TSV

Size: 644.39 MB

Institute of African Digital Humanities

Beembe-TTS-Dataset

The dataset consists of paired audio and text data on Beembe (beq), a language spoken in Congo. The audio corpus consists of 6,933 clips read by one speaker totaling 275 min 48.35 sec. The dataset also contains a mapping file of audio and text with 4,422 lines. Each line begins with the name of an audio file, followed by a tab and then the corresponding text excerpt. This dataset is suitable for TTS tasks.

License: NOODL-1.0

Locale: beq

Task: TTS

Format: WAV, TSV

Size: 861.46 MB

Akylai

KyrgyzLLM-Bench: Kyrgyz LLM Evaluation Dataset

KyrgyzLLM-Bench is a comprehensive suite purpose-built to evaluate LLMs’ deep understanding and reasoning in Kyrgyz. It combines natively authored benchmarks with carefully translated and post-edited international tasks to provide broad and culturally grounded coverage.

License: mixed

Locale: ky

Task: LLM

Format: PARQUET

Size: 87.20 MB

Institute of African Digital Humanities

Yaka-TTS-Dataset

Paired audio and text data on Yaka (also known as West Teke), a language spoken in Congo. The audio corpus consists of 7,648 clips read by one speaker for a total duration of 344 min 40.48 sec. The dataset also contains a mapping file of audio and text with 7,648 lines. Each line begins with the name of an audio file, followed by a tab and then the corresponding text excerpt. This dataset is suitable for TTS tasks.

License: NOODL-1.0

Locale: iyx

Task: TTS

Format: WAV, TSV

Size: 1.26 GB

Institute of African Digital Humanities

Akoose-ALCAM-MultimodalDataset

Curated Akoose (Bakosi) sentences with English translations, audio recordings, and sentence–audio alignments.

License: NOODL-1.0

Locale: bss

Task: NLP

Format: MP3, TSV

Size: 16.05 MB

Institute of African Digital Humanities

Kituba-TTS-Dataset

Paired audio and text data on Kituba (mkw), a language spoken in Congo. The audio corpus consists of 8,302 clips read by one speaker, totalling 350 min 11.98 sec. The dataset also contains a mapping file of audio and text with 8,173 lines. Each line begins with the name of an audio file, followed by a tab and then the corresponding text excerpt. This dataset is suitable for TTS tasks.

License: NOODL-1.0

Locale: mkw

Task: TTS

Format: WAV, TSV

Size: 553.28 MB

Taraaz

Multilingual Humanitarian Response Eval (MHRE)

This multilingual humanitarian dataset contains 655 annotated datapoints evaluating AI chatbot safety and quality in migration and asylum scenarios across four language pairs (English–Farsi (Iranian Persian), Arabic, Kurdish (Sorani), Pashto). Built from 120 expert prompts, it includes outputs from GPT-4o, Gemini 2.5 Flash, and Mistral Small. The dataset provides both human evaluations from Respond Crisis Translation native-speaker evaluators and LLM-as-judge assessments (Gemini 2.5 Flash).

License: CC-BY-NC-SA-4.0

Locale: mul

Task: LLM

Format: csv

Size: 2.15 MB