Licensing and Copyright

Most of our projects since 2014 are released under the MIT license, and other projects are released under compatible licenses (including Apache 2.0 and the Unlicense). We are interested to learn about restrictions that hinder external contributions by non-DPLA staff. Please contact us at tech@dp.la if you have observations you'd like to share.

Contribution guidelines

Please observe the following guidelines:

• Write tests for your contributions.
• Document methods you add using doc comments.
• Follow the included style guidelines.
• Use well formed commit messages.