LyX is a document processor. It combines the power and flexibility of TeX/LaTeX, an advanced typesetting system, with the ease of use of a graphical interface. Although in some respects its user interface resembles that of conventional word processors (MS Word, OpenOffice, etc.), LyX uses LaTeX to process its documents and generate the final output. It can thus be used for writing LaTeX documents the easy way. More info »
This program is nice, but doesn't allow editing of the TeX source code. This gets frustrating when I know how to do something in LaTeX but can't find it in the program.
