TDBF is a native dBASE III+, dBase IV and dBase 2k data access component for Delphi, BCB, Kylix, FreePascal. It allows you to create very compact database programs which don't need any special installer programs. The DB engine code is compiled right into your executable.
dBase III database reader for CP/M written in Pascal using xbase3a.inc
...This one uses record data types defined in xbase3a.inc (you can download it e.g. from here: http://annex.retroarchive.org/cdrom/nightowl-004/006A/XBASE3A.ZIP) and provides missing file access layer.
...Rose and Erwin, but with more functions and facilities, working at linux and windows. Supporting the most of the existing databases available (interbase, oracle, mysql, sql server, access, and another ones if possible)