SQL Dumpster
- Free SQL scripts for website and application developers.
- http://www.sqldumpster.com/

JCC's SQL Standard Page
- A source of information about SQL standards.
- http://www.jcc.com/sql.htm

SQLinForm
- A free web-based Java tool to format any SQL statement independent from their Database. It can also prepare SQL statements for Java, C#, VB, ASP.
- http://www.sqlinform.com

The SQL Summit: Understanding SQL/XML and Information Retrieval
- Portal site with information about databases, SQL/XML, XQuery, modeling, information retrieval, and web and grid data access. The site includes articles, papers, and audio and video programs.
- http://www.sqlsummit.com/

UESQLC (Universal Embedded SQL Compiler)
- An embedded SQL-92 precompiler for C++ and Java, designed to be extensible using SGML documents. [Open source, GPL]
- http://www.uesqlc.org/