TreeLine (outliner)

TreeLine
Initial release	2001
Stable release	3.1.6 / June, 2023
Repository	{{URL|example.com|optional display text}}
Written in	Python
Engine
Platform	Linux, Windows
Available in	English, French, German
License	GNU General Public License
Website	treeline.bellz.org

TreeLine is a free and simple outliner with advanced data element definition and export abilities. It uses a basic tree structure to organize information, and allows the user to define different types of nodes and leaves.

File formats

Export

TreeLine outlines can be exported as HTML, per-data type user defined formatting. In addition, it supports exporting outlines as an OpenDocument ODT file, OPML, various delimited text file formats, and as "plain" XML.

Import

TreeLine can open "plain" XML files, displaying the contents as an outline. It can import browser bookmarks.

File format

TreeLine uses a simple XML syntax to store data, with a .trl extension.

Similar programs

• Zim
• Wixi
• KeepNote
• KJots
• Tomboy
• Notecase
• Gnudiary
• GNote
• Tiddlywiki

External links

• Official website