CrossLine is an outliner with sophisticated cross-link capabilities in the tradition of the well-respected  Ecco Pro. It implements the concept of “Transclusion” proposed by Ted Nelson and – among others – implemented in the legendary Objectory SE tool by Ivar Jacobson. It is also a full text database with built-in search engine.

An outliner (or outline processor) is a specialized type of text editor (word processor) used to create and edit outlines, which are text files which have a tree structure, for organization. Textual information is contained in discrete sections called “nodes”, which are arranged according to their topic–subtopic (parent–child) relationships, sort of like the members of a family tree. When loaded into an outliner, an outline may be collapsed or expanded to display as few or as many levels as desired (see

For more information, source code and binary downloads see

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