Adobe Illustrator is a vector-based graphics editor and is included with the Adobe Creative Cloud service. It is compatible with both Mac OS X and Windows.
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Pro Amazing integration with all other Adobe Software (PS, Ae, Id...)
Pro Flexible, non-intrusive interface
Small palette menus and the ability to save multiple menu layouts keep the UI out of the way.
Pro Frequent updates
The CC subscription model means that major releases are no longer necessary, so existing users gain immediate access to new features.
Pro Has all the vector tools you could dream of
Pro Easy to learn
It's easy to learn how to work with this software.
Con Subscription model
Illustrator CC requires a $19.99/mo (minimum) subscription to use. Adobe no longer sells previous versions of Illustrator.
Con Heavy use of CPU/RAM
Con Steep learning curve
Con No proper selection mode
In a vector-art program, the critical selection mode is the one in which objects must be fully enclosed by the selection marquee to be selected. In the simple example shown here, selecting all the circles should merely require you to draw a selection rectangle around them. But in Illustrator, there's no way to avoid selecting other objects as well, even though they're not totally enclosed by the selection box. Year after year, Adobe fails to fix this bizarre oversight, making Illustrator a tedious pain to use.