GNU Ferret (formerly known as GerWin) is a free entity relationship and reverse engineering tool. It aids you in creating data models and implementing them in a relational database. You can draw your data model via an entity-relation diagram, generate the tables from it (another graphical diagram), and then generate the SQL that creates such relational tables. Several SQL dialects are supported (for most popular free software database systems) and it is very easy to patch the sources to support more.
GNU Recutils is a set of tools and libraries to access human-editable text-based databases called recfiles. A recfile contains data structured as a sequence of records. The rec format supports data integrity with the usage of record descriptors (keys, mandatory fields, field types, etc.) as well as the ability of record fields to refer to other records. Despite its simplicity, recfiles can be used to store medium-sized databases. The GNU recutils suite comprises a texinfo manual describing the Rec format, a C library (librec) providing a rich set of functions to access rec files, a set of C utilities that can be used in shell scripts and in the command line to operate on rec files, and an Emacs mode (rec-mode).
> % any useful feedback is highly
> % appreciated! :)
> I would love to see this application in
> a more user friendly form - such as GTK
> or wxWidgets or anything..:)
Goto http://www.gnu.org/software/ferret/gallery/screenshots.html (http://www.gnu.org/software/ferret/gallery/screenshots.html)
to find some screenshots of the new diagram engine :)
any useful feedback is highly appreciated! :)