JAMWiki - Lisensi Code
Today's great software is JAMWiki, you can download JAMWiki free here. but before downloading this program, i recommend you to read the reviews about JAMWiki below :
What Is JAMWiki :
JAMWiki is a Wiki engine implemented using Java/JSP that attempts to provide much of the functionality of MediaWiki. It can be run with or without a database and is designed to be fast and easy to set up. Visit http://jamwiki.org for further details.