db4o is the world's leading open source object database for Java and .NET. Leverage fast native object persistence, ACID transactions, query-by-example, S.O.D.A object query API, automatic class schema evolution, small size (http://developer.db4o.com)
oraToolKit is the Swiss Army Knife for Oracle. Standards and well designed tools help DBA's mastering Oracle 10g / 11g throughout the whole lifecycle. OTK runs on Linux, zLinux, Solaris, AIX, HP-UX and other UNIX based systems.
Dataman is a fully multi-threaded database server and client API libraries in C, C++, Java, and a PHP module has now been added as well. This is a 'direct access' database, not a relational one. It emulates the verbs of the EDITOR language.
The DbtuTools project is a framework for working with the UNIX / Wintel versions of IBM's DB2 UDB database family.
OPR (Oracle Password Repository) is a Unix based secure tool for storage & retrieval of Oracle database passwords. By replacing hardcoded passwords in scripts with a call to OPR, it helps keeping your Oracle enviroment secure and easier to maintain.
ProDashboard is a custom plugin for the Open Source server monitoring package called Nagios®. ProDashboard "watches" your Progress database and warns you when critical or serious errors are about to happen.
A next-generation object-relational database management system designed for enterprise use.
Set of tools and libs for managing structured data in a very flexible way: Imp./Exp. ASCII, XML, SQL, PS, Tex/LaTex, RTF GUI: X-Windows, MS-Windows Interface to C++, DBs, Perl, PHP, Java, TCP/IP LISP-like interpreter written in C++ using C-LIB
SQL Translate : It is an effort on converting ANSI SQL Queries to the Database/Standard specific query.
ARSperl is an integration kit for Perl5 and Remedy ARSystem API. It provides a large subset of the functionality found in the ARS C API https://github.com/jeffmurphy/ARSperl