Apps with 'Typing in TeX itself' feature
LyX is a document processor that encourages an approach to writing based on the structure of your documents (WYSIWYM) and not simply their appearance (WYSIWYG). LyX combines the power and flexibility of TeX/LaTeX with the ease of use of a GUI.
An intuitive and stylish markdown note app for developers. It's fully open-source.
Toontastic 3D makes it easy for the entire family to create and narrate their own cartoons.
TDR Nova is a parallel dynamic equalizer for your DAW.