There are many alternatives to Kile for Mac if you are looking for a replacement. The best Mac alternative is LyX, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Kile and 12 are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Kile are TeXstudio (Free, Open Source), Texmaker (Free, Open Source), TeX Live (Free, Open Source) and TexMaths (Free, Open Source).
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.
TeXstudio is an integrated environment for writing LaTeX documents. Our goal is to make writing LaTeX as easy and comfortable as possible. Therefore TeXstudio has numerous features like syntax-highlighting, integrated viewer, reference checking and various assistants.
TeX Live is an easy way to get up and running with the TeX document production system. It provides a comprehensive TeX system with binaries for most flavors of Unix, including GNU/Linux, and also Windows.
TexMaths is an addon designed to provide LaTeX support into LibreOffice. LaTeX equations can be inserted as images (SVG or PNG formats) and the LaTeX code is saved into the image attribute for further editing.
The TeXworks project is an effort to build a simple TeX front-end program (working environment) that will be available for all today’s major desktop operating systems—in particular, MS Windows (XP and Vista), typical GNU/Linux distros and other X11-based systems, and Mac OS X.
VimTeX is a Vim plugin that provides support for writing LaTeX documents. It is based on LaTeX-Box and it shares a similar goal: to provide a simple and lightweight LaTeX plugin. It has been rewritten from scratch to provide a more modern code base.