Leo 4.10

An outlining editor for programmers
Leo is an outlining editor for programmers, a general data management environment and a project manager & browser.

Main features:

  • A general data management environment.
  • Leo shows user-created relationships among any kind of data:
  • computer programs, web sites, etc.
  • Leo shows multiple views of data within a single outline.
  • An outlining editor for programmers.
  • Leo supports optional noweb and CWEB markup.
  • A flexible browser for projects, programs, classes or any other data.
  • A project manager.
  • Portable. Leo runs on Windows, Linux and MacOS X.
  • 100% pure Python.
  • Fully scriptable using Python Leo's outline files are XML format.
  • Open Software, distributed under the Python License.

last updated on:
March 31st, 2012, 0:22 GMT
developed by:
Edward K. Ream
license type:
GPL (GNU General Public License) 
ROOT \ Text Editing&Processing \ IDEs


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What's New in version 4.6 Final
  • Cached external files *greatly* reduces the time to load .leo files.
  • Leo now features a modern Qt interface by default. Leo's legacy Tk interface can also be used.
  • New --config, --file and --gui command-line options.
  • Leo tests syntax of .py files when saving them.
read full changelog

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