Rebuilding the AI data ecosystem - with communities at the centre

Fine-Tune a Speech-to-Text Model for Any Language - Including Yours

A step-by-step developer tutorial from Kostis at Mozilla Data Collective

Datasheets: The Missing Manual for your Dataset

In this video, produced by the Data Nutrition Project and illustrated by Jessica Yurkofsky, you'll learn more about the role of the datasheet and how you can use it to give clear guidance to potential downloaders about how your data can (and can't!) be used.

Upcoming Domain Change on 09 April

In mid-April, Mozilla Data Collective's primary domain will change to mozilladatacollective.com

MDC Release Notes - 30.03.26

379 new datasets with a Mozilla Common Voice update, improvements to the Python SDK (make sure you update to the latest!) and a preview of an upcoming feature. 👀

On contributing my Thorsten-Voice voice datasets

Thorsten Müller has created five TTS voice datasets totaling 40 hours of German speech data. In this community-authored post, he speaks to the importance of sharing his voice.

On contributing my Thorsten-Voice voice datasets [DE]

Thorsten Müller hat fünf TTS-Stimmdatensätze mit insgesamt 40 Stunden an deutschen Sprachdaten erstellt. In diesem von der Community verfassten Beitrag spricht er über die Bedeutung, seine Stimme zu teilen.

Why Whisper Still Struggles with Australian English - and What We Did About It

By Kathy Reid · Mozilla Data Collective Ask a Queenslander to say "no worries" into a Home Assistant Voice Preview. There's a decent chance it mishears them. Ask someone from Radelaide and things get worse. Ask anyone who grew up calling things "heaps good" and

How can a nearly century-old publisher remain relevant and continue to grow?

Panjebar Semangat, a weekly Javanese-language magazine established before Indonesian independence, is collaborating with Mozilla Data Collective to advance community-governed language dataset frameworks.

Call for proposals: MDC is commissioning mission-aligned datasets!

Mozilla Data Collective is building towards a multicultural, multilingual, and multimodal future that works for all of us. And over the past few months, we’ve listened as people have flagged what kinds of datasets they need, but are struggling to find.  So we’re pleased to announce that MDC

MDC Release Notes - 13.03.26

This week: 19 new datasets and a few small changes while we're heads down in some exciting new features that will be coming soon...

How to License Your Dataset for AI Training: Some Best Practices

We get a lot of questions about how to approach licensing your data for AI training. So to help you share your datasets, we’ve compiled some guidance here – it’s intended to be a living document, that we iterate with our partners and communities.  Explore Mozilla Data Collective What

Behind the scenes: Integrating MDC datasets into your Python project

Overcoming the complexity of AI Mozilla Data Collective helps communities to offer unique, multilingual, multicultural, and multimodal datasets. From transcribed and translated videos of narrated Ekpeye folktales to complex question-answering text pairs for the Georgian language, the diversity of datasets on our platform is core to our mission. But with