Leo is...

• An outlining editor for programmers.
  Outlines clarify the big picture and provide unlimited space for details.
• A flexible browser for projects, programs, classes or data.
• A literate programming tool, compatible with noweb and CWEB.
  Leo outlines enhance any programming language.
• A data organizer for web sites and other complex data.
  Leo outlines can generate complex data spanning many different files.
• A project manager. Leo provides multiple views of a project within a single outline. Leo naturally represents tasks that remain up-to-date.
• Portable. Leo runs on Windows, Linux and MacOS X Jaguar.
• 100% pure Python. Leo uses Tk/tcl to draw the screen.
• Fully scriptable using Python.  Leo's outline files are XML format.
• Open Software, distributed under the Python License.

Please use Leo's SourceForge forums to ask questions and make suggestions.

Leo's author is Edward K. Ream