For APIs, there is a great resource: http://www.programmableweb.com/apis
For CMSes, there is a dedicated website: http://www.cmsmatrix.org/
Alternatively, you can search GitHub for CMSes from this year: https://github.com/search?q=CMS+created%3A>2013-11-07
For APIs, there is a great resource: http://www.programmableweb.com/apis
For CMSes, there is a dedicated website: http://www.cmsmatrix.org/
Alternatively, you can search GitHub for CMSes from this year: https://github.com/search?q=CMS+created%3A>2013-11-07