libsqljdbc_auth provides support for using Windows integrated authentication with the Microsoft SQL Server 2005 JDBC Driver under Unix operating systems. SQL Server Authentication is not secure and is difficult to manage in an environment with large numbers of database servers, but it is often the only option when connecting to an SQL Server Database from non-Windows operating systems. This library allows users of other operating systems to use the more secure Integrated Authentication method with Microsoft's SQL Server 2005 JDBC driver using native Kerberos authentication libraries.
The Skeleton Engine is a starting point for creating a MySQL Storage Engine. It comes with everything you need to write a pluggable engine. Autoconf, an initial framework, and scripting tools are all provided. The Skeleton Engine has been the starting point for the PBXT, Nitro, Memcache, AWS, HTTP, and many other engines.
SQLiteDBMS is a database management server for SQLite. It allows an sqlite3 process to be accessed via a TCP/IP network. It provides Extended SQL, SSL, basic authentication, query caching, WebDAV, access control, and replication. It includes a simple Web server that takes HTTP requests and sends XML responses.
Slony-I is a "master to multiple slaves" replication system supporting cascading and slave promotion. The big picture for the development of Slony-I is as a master-slave system that includes all features and capabilities needed to replicate large databases to a reasonably limited number of slave systems. Reasonable, in this context, is probably no more than a few dozen servers. If the number of servers grows beyond that, the cost of communications becomes prohibitively high.
SQLite/Ruby is a set of bindings to allow the SQLite (v 2.x) database to be used from Ruby scripts. It provides an object-oriented interface to all major functions of the SQLite API, including the create_function and create_aggregate functions. It also supports bind parameters, transactions, internal and external iterators, type translation in queries, and easy access to various pragmas.