Gian Franco wrote:Open-source, like the dominating Lucene, of course do not require
licensing costs but might demand development resources...
If proprietary products bundle or work with open-source components
such as Lucene, it helps them to have more complete and cheaper
solutions on their shelves.
Cheers,
Gian
Example: Attivio uses Lucene at its core, but adds some unique functionality. It ain't cheap, though!
Otis