XnView is freeware for private usage. For commercial usage, licences have to be purchased.
There is another product available, named XnView DeLuxe. XnView is free for private usage, XnView DeLuxe is not. It has more functionality than XnView and is also developed by Pierre for the company Xzeos Sofware.
Some of the extra functionality of XnView DeLuxe:
* Album management, category management
* Export wizard, retouche wizard, email wizard
* Show HTML, PDF
* Show SVG, Flash if plugin is installed
* Convert image into PDF
* Project management
* Transitions and audio in slideshow
* Slideshow export in EXE, video, CD, VCD & SVCD
* Better player (mp3, ogg vorbis, ...)
* Show content of ZIP, RAR, CAB & ACE
* Archive create
* Send by email, FTP
* Enhanced web pages with templates
* Advanced search
* Preview in context menu
More details and a 30 day evaluation version can be found on the web pages for XnView DeLuxe in English or in French.
Note: Part of this info is taken from post 'Another XnView?!?!'
