Thanks for taking the time to look at ColdSpring!
The ColdSpring home page can be found at http://www.coldspringframework.org
Documentation and Issue Tracker for ColdSpring can be found on the Trac site hosted on Sourceforge.
The main Git repository and downloads can be found on the ColdSpring Sourceforge page.
An mirror of the Git repository can also be found on GitHub for those that like GitHub based collaboration.
For support, the ColdSpring mailing list can be found on Google Groups.
You can also follow ColdSpring on Twitter for news and updates.