If you're looking for software to design and print flyers, newsletters, calendars, posters and the like on Mac, Swift Publisher an excellent option. And Belight Software has just released its version 4, with great news.
Take advantage of the launch promotion on the Mac App Store, with 50% discount:
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Swift Publisher 4 comes with a renewed look (already optimized for OS X El Capitan), integration with the new Mac Photos app, barcode creation, dynamic data fields, curved / circular text tools, over 2,000 cliparts 70 new pre-designed themes, export to PNG, iCloud Drive support and much more.
Check out a video showing the new version:
The app is very complete and worth it, especially in this launch promotion.