TeXworks
- A powerful application that allows users to edit TeX files.
LaTeXiT
- Small utility that allows you to quickly typeset LaTeX equations, without bothering with file creation, preambles, and so on.
TeXShop
- A straightforward previewer for TeX, a specialized typographic system.
BibDesk
- Bibliographic reference manager for OS X.
Excalibur
- Excalibur is a free open source TeX/LaTeX-Aware spelling checker.
TeX Live Utility
- Update, install and manage Tex Live Manager from an intuitive UI.
Adobe Help Center
- The Adobe® Help Center is a free, downloadable application that provides Help navigation for Adobe CS2 related software products...
Chromium
- A fast, reliable and accurate open-source web browser.
Amadeus II
- Very powerful sound editor for Macintosh.