iWisdom for Mac is a desktop program that will help you manage and maintain a list of quotations and insightful ideas.
Some of its special features are:
a number of related fields, including title, category, author, source, year of initial publication, and rights;
storage of your wisdom in an open, non-proprietary XML format;
multiple sorting and selection fields;
multiple files with remembered viewing options for each;
multiple categories and levels of categorization, with a Tree view to let you see your items within categories;
Automatic Web Publishing;
automatic XML publishing (to Create RSS feeds, for example);
a Find function;
a Category Mass Change function;
Web Page validation;
an import capability that can extract existing wisdom from a number of different file formats;
options to modify the look and feel of iWisdom;
a transfer function to convert a wisdom item to readable plain text, with a corresponding accept function to convert the plain text (after possible transmission via e-mail, etc.) into a new wisdom item on another iWisdom list.