Give it a try in Terminal
$ brew install qgis
Error: No available formula for qgis
No problem, you will find most of the needed frameworks here:
In addition to Mac .dmg files available above I am providing few Terminal commands you might need:
$ brew install gfortran
...
/usr/local/Cellar/gfortran/4.8.2: 960 files, 113M
$
$ brew install pkg-config
Warning: pkg-config-0.28 already installed
$
$ brew install freetype
...
/usr/local/Cellar/freetype/2.5.3: 60 files, 2.5M
$
$ brew install libpng
Warning: libpng-1.5.18 already installed
$
$ brew install ffmpeg
/usr/local/Cellar/ffmpeg/2.1.4: 184 files, 34M
$
uki@.. Frameworks $ pip install matplotlib
-bash: pip: command not found
uki@.. Frameworks $ sudo easy_install pip
Password:
...
Best match: pip 1.5.4
...
Finished processing dependencies for pip
$ pip install matplotlib
Requirement already satisfied (use --upgrade to upgrade): matplotlib in /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python
Cleaning up...
$
$ brew install gdal
...
Error: Homebrew doesn't know what compiler versions ship with your version
of Xcode (5.1.1).
These open issues may also help:
libxml2 failed to build on 10.9.2 (https://github.com/Homebrew/homebrew/issues/28631)
$
$ brew install GEOS
...
/usr/local/Cellar/geos/3.4.2: 385 files, 8.4M, built in 2.2 minutes
$
$ brew install sqlite3
Warning: sqlite-3.8.3 already installed
uki@.. Frameworks $
$ brew install PROJ
Warning: proj-4.8.0 already installed
$