jSQLi is java based free SQL Injection Tool. It is very easy for user to retrieve database information from a vulnerable web server.
SQL Injection features:
- GET, POST, header, cookie methods
- normal, error based, blind, time based algorithms
- automatic best algorithms detection
- data retrieving progression
- proxy setting
- evasion
- for now supports MySQL
Download it from here:
http://code.google.com/p/jsql-injection/downloads/list