Leo is an outlining-oriented project manager and browser. With Leo you can organize programs, web sites, URL's, pictures or any other kind of data. Leo is fully scriptable in Python. Leo is 100% pure Python. It requires the Qt gui toolkit.
Hylt is a file format that provides HYperLinked Text with minimal markup, meant to be both easy to view in any program and easy to keep in a version control system. The Hylt project covers the file specification, viewers, and tools to manage Hylt files.