Mac OS X Softwares to Cross Page Linking

PmWiki is a powerful and flexible open-source wiki-based content management system designed for collaborative documentation, knowledge sharing, and website creation. It focuses on ease of use and extensibility.

MyTetra is a versatile, cross-platform information manager designed for collecting, organizing, and managing various types of data. It excels as a portable note-taking application, personal information manager, and notebook, offering a robust outliner and rich text editing capabilities.

XWiki is a powerful, open-source wiki software platforms written in Java, designed for creating collaborative knowledge bases, documentation, and collaborative workspaces. With a strong emphasis on extensibility, it supports multiple languages, real-time collaboration, and a wide range of features for content management and team productivity.

TiddlyWiki is an innovative open-source, single-file, non-linear personal web notebook.

wikidPad is a free and open-source wiki-like notebook application that allows you to store your thoughts, notes, and snippets of information in a highly organized and cross-referenced manner. Its strength lies in the effortless creation of links between pages, making it easy to navigate and connect related ideas.