Yes it is free under the ASF license. http://www.apache.org/licenses/
Michael -----Original Message----- From: 黄涛 [mailto:atao123...@gmail.com] Sent: Sunday, March 07, 2010 8:01 PM To: lucene-net-dev@lucene.apache.org Subject: hello lucene,i have a question first of all,thanks your team of the work. I want to know lucene.net is free? can I use it in my project? look forword reply! thanks!