Take a FileMaker Pro database, add a little AppleScript, and you can transfer your data into Storyspace or Tinderbox.
Tinderbox
How to use Eastgate Systems’ Storyspace or Tinderbox to create a timeline.
Three tools which spare you from tedium when making timelines, and produce excellent results.
Most narrative is synchronous, structured by the march of time. There are exceptions, though.
Implementing notes and references using Storyspace 3, for authoring non-fiction hypertext.
Some personal thoughts on different types of structure commonly seen in non-fiction.
The early wild enthusiasm for hypertext has now matured into a rich and stimulating literature. Here are suggestions.
The Eclectic Light Company 