Nike+

 Nike+  is an exercise activity hosting silo operated by Nike. Also written (and spoken) as "Nike Plus".

API
Nike+ has a RESTful read API.
 * http://developer.nike.com/ - requires (free) nike.com account to use and even read the documentation.
 * https://developer.nike.com/documentation/api-docs/activity-services.html - Activity Services - main documentation page
 * https://developer.nike.com/documentation/api-docs/test-console.html - API console - try out any Nike+ REST API calls using your API token (retrievable dynamically with login using the web interface).
 * Nike seems to have primarily restricted API access to "Nike Fuel Lab" partners. How you become a partner is not entirely clear, but you can sign up for updates on API access here: https://developer.nike.com/content/nike-developer-cq/us/en_us/index/contact-us.html
 * Non-Fuel Lab partners can still grab a temporary (good for a day) access token via: curl 'https://developer.nike.com/services/login' --data-urlencode username='yourmail@gmail.com' --data-urlencode password='your_password
 * With this temporary access token you can still make requests to the API outside of the "web console" Nike provides on its site.

To create a free account:
 * Nike+ home page - click the "JOIN NIKE" button on the top right.
 * Or download a free Nike+ mobile app and follow instructions:
 * Nike+ iOS app
 * Nike+ Running Android App
 * ... add more apps/platforms as/when they become available.

Data Export
Needs expanding/organizing:

Nike+PHP

 * http://nikeplusphp.org/
 * https://twitter.com/nikeplusphp - open source PHP library to retrieve your Nike+ data.

Previously

 * http://eagerfeet.org/ - used to work but has been shutdown since late 2012. Has promised to come back in "early 2013" - but no signs of anything new yet.