The most stable KipiPlugins tarball is version 0.1.0-rc2.
Currently implemented plugins are:

• NEW SimpleviewerExport: export your images in a nice flash movie.
• NEW HTMLGallery: export your images to HTML
• RawConverter: A raw image converter for digital cameras.
• SlideShow: Slideshow with effects ripped out from kslideshow and 3D effects using OpenGL.
• MpegEncoder: Create an MPEG slideshow from your images.
• PrintWizard: A wizard to print images in various format.
• JpegLossLess: Batch process your JPEG images without losing meta information and compression.
• CdArchiving: Archive your albums on CD or DVD using K3b.
• ScanImages: Scanner management using Kooka.
• ScreenshotImages: Snap screen based on KSnapshot and adapted to Kipi.
• Calendar: A plugin to create calendars.
• SendImages: A plugin to send images by email, allowing resizing and recompressing before sending.
• RenameImages: Batch image renamer.
• ConvertImages: Batch image converter.
• BorderImages: Add border to your images in batch.
• FilterImages: Batch image enhancer using digital filters.
• ColorImages: Batch image color enhancer.
• EffectImages: Batch image transformation effects.
• ResizeImages: Batch image resizer.
• RecompressImages: Batch image recompressor.
• FindDuplicateImages: Find duplicate images in albums.
• WallPaper: Set your image as wallpaper.
• TimeAdjust: Adjust image file time and date.
• GalleryExport: Interface for export images collections to remote Gallery web server.
• KameraKlient: Digikam 0.6.2 Gphoto2 interface ported as a Kipi plugin. Note: this plugin is disabled in digiKam release >= 0.7.x because this part have been re-written from scratch using KIO Slaves.

libKipi core is stable and has been released as libkipi 0.1.3.

Click the 'Read more' link below to see if there has been an update to this list of features.