Tinderbox, a hypertext tool for making, analyzing, and sharing notes, explores the use of collage to build and share linked conceptual structures. Adopting a simple, regular data structure that exploits prototype inheritance and transclusion, Tinderbox helps build malleable, personal documents that are partially self-organizing. Categories and Subject Descriptors H5.4 Hypertext/Hypermedia Architectures General Terms Design, Experimentation, Documentation, Keywords Hypertext Systems, Tinderbox, Storyspace, Spatial Hypertext, Collage, Composites, Weblogs, Patterns of Hypertext.