Shpinx is a free open source SQL full-text search engine and for those who might confuse it with the Great Sphinx of Giza, Sphinx is the acronym for SQL Phrase Index. Some key features of this search engine are (from official site):
abcphp.com is a social news website made for people to discover and share PHP related content from anywhere on the Internet, by submitting links and stories, and voting and commenting on submitted links and stories.
