Set of easy transitional switches for launch day.
Easily switch to any localization from GlotPress
Allows your blog visitor to Switch of post/posts with the Pageup/Left and Pagedown/Right keys.
Virtual Theme allows you to switch themes based on virtual paths, making an entire site accessible through multiple themes based on their URL prefix.
CSS Swither (Manual and Automatic by condition).
Add-on to WPML to switch off language filters on specific pages.
Adds a dropdown list of the sites with every site owned in a network to quickly switch between them.
Allows admins or all visitors to switch the blog theme. Has a restricted preview mode for your clients and includes a widget.
In a multisite configuration, add a dropdown menu in administration to let you switch between sites admin.
Switch between the backends of your WPMU blogs with one click
The DaySwitcher plugin let you choose a schedule for displaying a WordPress theme.