jCore

Update - 0.9 released! New in this release: Module and Update managers, multiple layouts support for Templates, separated Menu items and Pages so you don't have to duplicate pages, availability to limit Pages/Blocks to user groups, possibility to add Posts to blocks without having to assign them to pages, CSV export for dynamic form's data, IPv6 compatibility, Mobile browser detection for blocks, Coupon codes for shopping cart and a lot more. jCore is an open source Multisite web CMS (Content Management System) build especially for Webmasters with E-commerce (shopping), Photo/Video gallery, Poll, Newsletter capabilities and a lot more.