KmusicdB is a music information manager for KDE, using PostgreSQL as a backend. You can add your music collection to the database, and view it in a convenient browser. It currently supports the ability to add and edit artists, add and edit titles (with album pictures), and a track editor. The ability to generate reports and statistics, and also to search the database is implemented, as well as creating and opening, backing up and restoring databases. It is highly customizable, and fast. CDDB functionality has also been implemented.
Database Abstraction Layer is a project to produce a general way to access databases from within PHP. The DAL class takes care of the administration involved with the different kinds of databases. DAL is extendible via plugins so support for different dbms' can be added dynamicly. Also switching from one DBMS to another is simple because not very much has to be altered to support the new DBMS.
SATGUI is a framework for developing simple GUI client/Unix server applications. It uses a simple, easy-to-learn screen layout language (SAT/DL). The backend applications can be developed in almost any character-based language (shell script/Perl/AWK/C/etc.), and a basic interface to MySQL databases (SATMYSQL) is also available.
SQLConnect is a JDBC connectivity tool that allows the user to browse, query, edit, export, and print data from any JDBC compliant database. It has a rich set of data editing and data manipulation functionality that allows the user not only to query the JDBC database, but also to change its structure and model without writing complex and awkward SQL statements.
Qbib is a bibliography management system based on Qddb. Qbib's features include the ability to import and export BibTeX .bib files and handle all standard and most common fields as well as @string translation, it can import .aux files to search results for quick export or review, and can automatically generate unique citation keys. It has a friendly user-interface and mandatory/optional fields for each BibTeX entry type. It has custom export options including author format and selection of fields to export and supports custom keyboard traversal. Qbib can also keep track of URLs, reviews, abstracts, and other important information about your references.