Hi list, I wrote a win32 application to manage kicad schematic libraries. Using drag and drop you can copy and move components around, edit some properties (aliases, keywords and description), and search recursively whole directories for parts, in name, keywords and description.
You can download the application and/or its sources from: http://www.xonelectronics.it/download/kicad/ This is a beta version, quickly written, but should be working. While hoping this is useful, no warranty is provided... Salutations, Doriano Blengino