Free object oriented database software for linux

Php Object Generator on short POG is an open source PHP code generator which automatically generates clean & tested Object Oriented code for your PHP4/PHP5 application.
Over the years, we realized that a large portion of a PHP programmers time is wasted on repetitive coding of the Database Access Layer of an application simply because different applications require different objects.
By generating PHP objects with integrated CRUD methods, POG gives you a head start in any project and saves you from writing and testing SQL queries. The time you save can be spent on more interesting areas of your project. But dont take our word for it, give it a try!
Main features:
- Generates clean & tested code
- Generates CRUD methods
- Compatible with PHP4 & PHP5
- Compatible with PDO
- Free for personal use
- Free for commercial use
- Open Source
Enhancements:
- POG now fetches result set arrays where possible (which provides a big performance boost).
- Data encoding is handled within the database.
- A new plugin interface is used.
- A data encoding sanity check was added to setup.
- Siblings can be deleted without deleting children.
- Getlist() accepts column names as filters.
- Getlist(), GetChild(), and GetSibling() return all results if no arguments are passed.
- A database wrapper class for PDO was added.
- The PDO performance was improved.
- The plugin API, POG base API, and database API were made uniform to prevent plugin versioning.

Simple C++ ODBC Database API is designed to encapsulate the ODBC API functionality in an object oriented manner.
The API was created due to an absence of any other such API that was database independent. The database independence is achieved using the ODBC (Open DataBase Connectivity) API.
The API provides a Database object that can be used to create instances of Query objects. The Query objects are used to query a database and allow columns to be bound for the query.
The flowing column objects are currently available (as of Jan 2005): a boolean column, a long column and a string column. The string column makes use of the libstdc++ string class so you dont have to mess around with malloc.
The Database object also has some convenience member functions that allow queries that return a single integer or string to be executed without having to create a query object or bind columns.
The API has been tested to work with both MySql and PostGreSQL on a Debian Linux platform.
Enhancements:
- DoubleColumn, IntColumn, and BigintColumn were added.
- The LongColumn is deprecated.

Object::Mediator is a generic object persistence framework.

SYNOPSIS

package Persistent;

use base qw( Object::Mediator );

__PACKAGE__->mk_attr ( qw(foo bar) );

sub _set_id {
my $self = shift;

my $id = generate_identity();

$self->identity( $id );
}

sub _insert {
my $self = shift;

$db_handle->insert ( $self->id, $self->foo, $self->bar );
}

sub _update {
my $self = shift;

$db_handle->update ( $self );
}

sub _delete {
my $self = shift;

$db_handle->delete ( $self->id );
}

sub _select {
my $self = shift;

my ( $foo, $bar ) = $db_handle->select ( $self->id );

$self->foo ( $foo );
$self->bar ( $bar );
}

Object::Mediator attempts to be simple and fairly minimalistic object mapping framework. Main aims of development were: usage simplicity, end user transparency, database independency and minimization of database interaction with some kind of in-memory object state control system.

Undisposable Clients project provides easy-to-use API kits for using Undisposable.org in various programming languages.
Main features:
- Protects site owners biggest assets; userbase and emails
- Prevents userbase contamination by fake accounts
- As critical as email validity check
- Stops people registering your services with disposable email accounts like jetable.org, pookmail
- Detects public accounts (spread from sites like bugmenot.com) and bans them
- Working principle is similar to spam blacklists like spamhaus.org; power of masses
- Totally free, your donations are welcome
How to use it
Check if there is an API kit for your programming language, if there isnt, connect to our servers manually.
Add a few extra lines to your email validation function which is called from your member registration page. The following is an example in PHP language:
..
function checkEmail($email) {
include_once("undorg/php/rest/undisposable.inc.php"); // include the API kit
if(!undorg_isDisposableEmail($email)) { // check if disposable email
.. // old procedures remain here
} // add this line to close the conditional statement
}
..
?>
Thats all. Very simple...
API kits:
PHP
Supports XML-RPC, REST and PHP serialiation. Stable
@TODO: make it object oriented, test PHP5
Python
Supports XML-RPC. Stable
@TODO: make it object oriented, more protocols
Perl
Supports XML-RPC. Beta
@TODO: test it, make it object oriented, more protocols
Java
Supports XML-RPC. Alpha
@TODO: test it, make it object oriented, more protocols
We need your support for clients in other languages.
Enhancements:
- The isValidEmail function was added for PHP and Python.
- Valid RFC and TLD checks are made in real time, as well blacklist queries against disposable email addressing and public accounts from sites similar to bugmenot.com.

Keystone is a cross-platform, object oriented application framework which allows applications to be written to build on the target platforms of GNU/Linux and Win32 without modification of their source.
Keystone Application Framework implements several modern Web standards, including SVG graphics and the XUL user interface description language.
Enhancements:
- A significant development in this release is the optional use of the GDI+ (Win32) and CairoGraphics (Linux) rendering backends to render SVG content.
- In addition, support for SVG paths has been much improved with the ability to render bezier and elliptical segments.

Fedora Digital Object Repository is an open source software which gives organizations a flexible service-oriented architecture for managing and delivering their digital content. At its core is a powerful digital object model that supports multiple views of each digital object and the relationships among digital objects.
Digital objects can encapsulate locally-managed content or make reference to remote content. Dynamic views are possible by associating web services with objects. Digital objects exist within a repository architecture that supports a variety of management functions. All functions of Fedora, both at the object and repository level, are exposed as web services. These functions can be protected with fine-grained access control policies.
This unique combination of features makes Fedora an attractive solution in a variety of domains. Some examples of applications that are built upon Fedora include library collections management, multimedia authoring systems, archival repositories, institutional repositories, and digital libraries for education.
Enhancements:
- This is a significant release of Fedora that includes a complete repackaging as a proper Web application.
- A new installer application makes it easy to setup and run.
- It now uses Servlet Filters for authentication.
- The Fedora repository can also be configured to calculate and store checksums for content.
- The RDF-based Resource Index has been tuned for better performance.
- A new high-performing RDBMS-backed triplestore has been developed that can now be plugged into the RI.

Porcupine is a web application server that provides an object oriented framework for developing web applications rapidly.

Many of the tasks required for building web applications as you know them, are either eliminated or simplified. For instance, when developing a Porcupine application you dont have to design a relational database. You only have to design and implement your business objects as classes, using the building blocks provided by the framework (datatypes). Porcupine integrates a native object database, no mapping required.

Another tedious task for web applications is the interface design, and the constraints imposed by HTML. QuiX, the servers integrated XUL motor, simplifies the interface design process. All you have to do is describe your applications interface in XML and write the appropriate event handlers. You dont have to waste time and money on widget implementations. QuiX comes with a variety of ready to use widgets, accelerating the development process.

Generally, every Porcupine application consists of three distinct layers. The first is the business layer consisting of the business objects which encapsulate the business logic.
The second layer binds the HTTP protocol with the first layers business objects. This layer is implemented using Python Server Pages or Servlets. If using XML-RPC, one common approach is to directly map an XML-RPC method to a business objects method.
The third layer, the presentation layer, usually consists of XML UI definitions and JavaScript event handlers.

The first two layers are executed server side and the third layer is executed on the client (browser).