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Pro Free and GNU GPL
Free for personal educational and commercial use, can install on as many machines as you want. See here.
Available on Mac, Windows, Linux (Ubuntu) and available as source code if you want to build and compile it yourself.
Con No passthru / lossless options
DVD Styler will reencode all video and audio.
Con Can't make true HD DVDs ; Limited output / reencode options
DVD Styler offers presets for the following types:
CD - 700 MB
DVD 1 - 1.4 GB
DVD 2 - 2.6 GB
DVD 5 - 4.7 GB
DVD 9 - 8.5 GB
No presets are available for BlueRay or similar High Definition (HD) discs. There is no control over the size when using the Unlimited option. Other tools may necessary to compress contents to fit larger BlueRay DVDs.
Additionally, all video gets reencoded. Options for output is limited to two options:
Pal: 720 x 576 px
NTSC: 720 x 480 px
Thus it is not possible to create 1080 pixel or larger videos which is the minimum resolution to be considered true HD.
Aspect ratio is likewise limited to:
Audio gets reencoded as:
MP2 48 khz
AC3 48 khz
So this application is only fit for creating Standard Definition (SD) DVDs.