The Nearby Stars Database (NStars) began as a NASA project in 1998 and is now based at Northern Arizona University.
The stated mission of NStars "is to be a complete and accurate source of scientific data about all stellar systems within 25 parsecs."
The website (see below) includes search tools and links to an interactive forum.
As of January 1, 2002, there are 2633 stars in 2029 systems in the database. As of January 29, 2008, the site is closed, displaying the message "This site is currently undergoing a major redesign and will be returned to service at a later date."
* Old Table from Wayback Machine Web Archive
* Nearby Stars Database