Data Architect is a database modelling tool capable of building ERD diagrams, reverse engineering of existing databases, and creation and modification of databases. It includes a powerful SQL editor and support for various database backends through ODBC. It is available both on Windows and Linux.
Ora2Pg is a Perl module to export an Oracle database schema to a PostgreSQL compatible schema. It connects your Oracle database, extracts its structure, and generates an SQL script that you can load into your PostgreSQL database. It dumps the database schema (tables, views, sequences, indexes, grants) with primary, unique, and foreign keys into PostgreSQL syntax without editing the SQL code generated. It also dump Oracle data into PostgreSQL DB as online process or into a file. You can choose what columns can be exported for each table.
Winzig is suite of a PIM style applications written in Python/GTK. It includes an address book, a calculator, a calendar, a todo list, a notebook, a weather viewer, and a color and Unicode browser. It was written with small code size and small screen real estate usage in mind, and works well with PDAs.
The Chemistry Development Kit (CDK) is a library of Java classes for chemo-, bioinformatics, computational chemistry, and chemometrics. It provides important algorithms like substructure search, SMILES, Gasteiger charges, QSAR descriptor calculation, 3D structure generation, 2D layout and rendering, many IO formats, atom typing, and more.
Artekopia Netjuke is a cross-platform Web-based audio streaming jukebox powered by PHP 4 and an increasing choice of databases. MP3, Ogg Vorbis, ASF/WMA, and other music file formats are supported. Artekopia Netjuke aims to enable small organizations or communities run a private "mp3.com-like" Web site to access the music they legitimately own, distribute, or are granted access to. It supports most audio players, language packs, optional file downloads, media protection schemes, multi-level security, shared and private playlists, random playlists, images, etc. It also features an unusual, easy-to-use installer module to get you started in minutes.
prokyon3 is a multithreaded music manager and tag editor. It can access MP3, Ogg, and FLAC files on hard disk, CDROM, SMB, and NFS. Files can be played using XMMS or other players. The file view is customizable and favorite artists are supported. prokyon3 also offers an editor for ID3 and Ogg tags and has been designed to support tagging large quantities of files.
KInterbasDB is a Python extension package that implements Python Database API 2.0-compliant support for the open source relational database Firebird and some versions of its proprietary cousin Borland Interbase. In addition to the minimal feature set of the standard Python DB API, KInterbasDB also exposes nearly the entire native client API of the database engine.