Extensions for content management

Pages
Basic content pages
Content
Advanced content pages
Scribite
Integration of various WYSIWYG editors
MediaModule
Media management
News
Blog system
Legal
Provides website TOS/AUP, privacy policy, and other legal documents.
Included in Core distribution.
MultiHook
Abbreviations, acronyms, autolinks, censor
EZComments
Comments hook
Ratings
Ratings hook

Legacy Modules not yet converted to Zikula 3.x

Several others… see zikula-modules for example