You can clone with
HTTPS or Subversion.
We brainstormed the easiest and more powerful way for Plugin developers to publish their work on the Marketplace. Using Github allows access to amazing features built-in their platform. We are already using Github extensively in the Marketplace.
This ticket is about finalizing the Github webhook functionality.
Update doc at: http://developer.piwik.org/guides/marketplace#setting-up-a-webhook-for-your-github-repository
maybe we can have text on github updated to "Piwik is an open analytics platform designed to make the most of your data. Piwik be extended with Plugins and Themes. This service notifies the Marketplace(http://plugins.piwik.org) of any new releases to your Piwik plugin. See http://developer.piwik.org/guides/marketplace for more information."
The text was updated in github/github-services#740
(not yet deployed in github though)
Fixed doc in piwik/developer-documentation@d846067
Nice work! good feeling to be listed on Github in the list of WebHooks.
Now on to the next step: helping get developers started to develop and publish plugins, and inspiring them to do so!