madata.io 
For the data curators
Collect, curate and crowdsource your data online - no database skills required.
FORM EDITOR
Define the structure with our simple form editor.
DATA VALIDATION
Decide, what your data should look like. We'll take care of validating every input.
CROWDSOURCING
Get help curating your data from people you know and our community. You'll always have the last word.
For the developers
Data is only as good as it's accessibility.
JSON
We love JSON, and we know you do, too! Everything we store is JSON-based, so you can get started right away.
REST API
Access your data inside your mobile app, website or anywhere you want.
VERSIONING
Unhappy with some changes? Just undo them with our simple to use version control system.
Get notified
Unfortunately we're not quite there yet - but we'd love to notify you as soon as we launch!