TheOpenAnalyst

Some projects derived from open source have licensing fees based on who’s using them — a good idea in practice, but sometimes it can become unintentionally thorny. This goes double if the criterion is “commercial use,” one of those terms that, in the words of The Princess Bride’s Fezzik, does not always mean what you think it means.

The other day I was poking around for a possible replacement for Lokesh Dakar’s Lightbox script — something I use a great deal on my site, and which I adore, but I was curious about possible alternatives. Enter FancyZoom, a truly fantastic image-zooming function that I first bumped into on the Songbird Web site. The author allows the script to be used for free on “noncommercial” Web sites, but asks that commercial users pay $39 per site.

What’s ‘Commercial Use’ With Open Source Derivatives? – Open Source Blog – InformationWeek

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