Make something with Freebase: getting started is easy!
Make a Base
Get started by making a base: a collection of data about something you love. Bring your own dataset, or use some of Freebase’s over four million topics to make lists, galleries, and other views about your subject.
Make an App
Freebase is the easiest way to make powerful web applications to present Creative Commons-licensed structured data.
Learn the API Services
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Freebase API Services
mqlread, mqlwrite and other API services.
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MQL and the Freebase API: A Reference Guide
Learn how to use MQL, Freebase's JSON-based query language, to make powerful API queries.
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MQL Cheat Sheet (pdf)
A two page MQL reference, updated Sep 15, 2008.
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MQL Query Editor
Try out MQL queries using this simple interface.
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Developer Tips
API tips from the Freebase developer community.
Use the Tools
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Try Acre
Build and publish server-side Javascript web applications with Freebase’s browser-based development and hosting environment.
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Language-specific Libraries
Freebase helper libraries for Python, Ruby, and Perl.
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Mjt
A Javascript-based HTML templating engine built for the Freebase service.
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The Freebase Blog
If you're interested in what we're up to, the blog is a great way to stay informed.
Experimenting with test data? Use http://sandbox.freebase.com for any writes you don't want to keep. Learn more »
Join the Community
These mailing lists are the best way to connect with the Freebase community.
Join the developers email list
Discuss the API, MQL, Acre, and everything else related to developing applications with Freebase. Search or browse the archives.
Join the data-modelers email list
Discuss new type schemas, the Commons, and everything else related to the structuring of data on Freebase. Search or browse the archives.
Working with a lot of data?
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Freebase Data Dumps
Complete, general-purpose extracts of all Freebase data in a variety of formats.
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Contributing Large Datasets
Learn about best practice when adding more than 1,000 items.
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Talk to the Freebase Data Team
If you have a dataset that belongs in Freebase, we want to talk to you.
What is made with Freebase?
Many applications from Powerset, the new semantic search engine from Microsoft, to Parallax, a pivoting data browser. All of the data in Freebase is openly licensed under CC-BY, so you can use it too!
Top Freebase Apps
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Freebase Parallax
A new way to explore Freebase by pivoting through collections.
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Powerset
A semantic search engine that uses Freebase to answer natural-language questions
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Archiportal
Architecture Map mashup
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History Of Sciences 2
Displays a timeline of famous Scientists in the History of Sciences.
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FMDb
A simple MJT application for browsing Freebase movie data.
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Dipity Timelines
Over 17,000 timelines for musicians, actors, and movies
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MetaJam
A .mobi-compatible web view of movie and music items
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History of a Day
See what happened on a given day over a number of years.
