Ingres is a feature rich and robust database (RDBMS) that's free to use, modify, and redistribute. Support is available for a reasonable price if you need it. Ingres supports many programming languages, including Python, Ruby, Java, Perl, C/C++, and more. Ingres has a bit of a learning curve, but once mastered is extremely powerful and highly tunable. It is also very stable and reliable. Ingres is one of a fairly small number of databases providing excellent geospatial features including data types and functions compliant with the Open Geospatial Consortium (OGC) Simple Feature Specification (SFS) for SQL.
nsFB is an internal AOLserver database driver for the Firebird or Interbase database. It supports reading and writing BLOB data and ARRAY data. It supports the full size of varchar (32765 bytes) or char (32767 bytes). Many configuration options are supported, such as charset, dialect, transaction isolation level, etc. All kinds of data types are supported, such as NUMERIC or DECIMAL.
Evergreen is an integrated library system originally developed by the Georgia PINES consortium for use as their automation system, and now includes contributions from around the world. It was designed from scratch for large-scale deployment in very large public library and state-wide consortium environments with tens of millions of records and hundreds of libraries, but can also scale down to the smallest of single-branch libraries.
lib4d_sql is a C library that provides the required functions (connect, prepare, execute, etc.) for writing an SQL client for 4D databases. It uses the public 4D SQL protocol, which is supported by 4D products since version 11. It is already used by the PDO_4D Open Source project, and it might be used to provide others drivers for JDBC, ADO, or ActiveRecord.
SquidTL allows proxy administrators to manage proxy users: define how much time users can spend on a specific Web site, block sites, limit total time users can spend on the Web daily, and watch users' activity. For example, you can limit the use of Facebook or other social networks with per-user rules or IP. It has a small memory footprint and very fast execution. Management can be done with a smart Web-based administration GUI.
openSUSE Medical is a distribution of openSUSE made especially to address the needs of doctors. It is based on openSUSE 11.3. It is distributed in the form of ISO image files and VirtualBox/VMWare images. It includes carefully selected software for doctors' practices, clinical environments, and medical students. The software selection encompasses everything required to make computers productive for either home or medical use. This distribution includes a LAMP (Linux, Apache, MySQL, and PHP) stack that is needed for developing or hosting PHP-based Web sites and all other major development tools. The aim of this distribution is to provide complete resources for medical doctors, clinics, and medical students as well as IT admins running labs at educational institutes.