Apps Related to Latex Equations

GNU TeXmacs is a powerful, free scientific text editor and typesetting system designed for complex documents, particularly in scientific and mathematical fields. It offers a WYSIWYG interface tailored for technical writing.

LibreOffice Math is a formula editor designed for seamless integration within the LibreOffice suite, allowing users to create, edit, and insert complex mathematical and scientific equations and formulas into documents, spreadsheets, presentations, and drawings.

Zim is a powerful, open-source graphical text editor designed for maintaining a personal wiki or notebook. It allows users to organize notes, ideas, and various types of information in a hierarchical, interlinked structure, similar to a wiki.