Open Source Windows Object Oriented Software

Object Oriented Software for Windows

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Browse free open source Object Oriented software and projects for Windows below. Use the toggles on the left to filter open source Object Oriented software by OS, license, language, programming language, and project status.

  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

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    Outgrown Windows Task Scheduler?

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  • 1

    OpenXava

    Automatic frontend engine for Java

    Automatic frontend engine for Java. Write just the domain classes in plain Java. Get a web application ready for production.
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    Downloads: 22 This Week
    Last Update:
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  • 2
    ADempiere ERP Business Suite

    ADempiere ERP Business Suite

    A full ERP system - moved to GitHub. See full description for details.

    NOTE: We're moving! See adempiere.net for more info. ADempiere Business Suite is a fully functional ERP/CRM/MFG/SCM/POS system suitable for large enterprise adoption. The software is fully open source and supported by an international community of developers and system experts.
    Downloads: 20 This Week
    Last Update:
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  • 3
    STD Foundation Classes

    STD Foundation Classes

    Object oriented frameworks - PowerBuilder, PowerServer & InfoMaker!

    by Chris Pollach (http://chrispollach.blogspot.ca) A fully integrated "object oriented" set of PB Classes for the following products: PowerBuilder, PowerClient & PowerServer. The framework greatly enhances the development process by making the PowerBuilder developer significantly more productive! License: https://sourceforge.net/projects/stdfndclass/files/License (Open Source) => Updated version of the STD "Integrated" framework 2025R1 build 2025.1.0.436 was released to production on 2025-06-09. https://sourceforge.net/projects/stdfndclass/files/FrameWork/Integrated => The STD "Web Service" framework 2022R2 build 2021.2.0.106 is the last release to production on 2021-05-12. This PB feature is now discontinued as of PB 2021 https://sourceforge.net/projects/stdfndclass/files/FrameWork/WebService => Updated version of the STD "Order Entry" example App 2025R1 build 2025.1.0.626 was released on 2025-05-29. https://sourceforge.net/projects/stdfndclass/files/Applications
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    Downloads: 36 This Week
    Last Update:
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  • 4
    A cross-platform GUI, new language (eC), and 3D engine.
    Downloads: 1 This Week
    Last Update:
    See Project
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  • 5
    JPOX was an Apache2 licensed standards-driven Java persistence implementation. It is replaced by DataNucleus http://www.datanucleus.org
    Downloads: 1 This Week
    Last Update:
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  • 6
    pdgo (PHP DataGrid Object) is a tool for build fast and easy grid with data from PEAR DB and MDB2, by sending a Query SQL to the object. pdg generate dynamic forms for CRUD (Create, Read, Update and Delete) the data.
    Downloads: 1 This Week
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  • 7
    API Allociné Helper is support for using the API of Allociné, of Screenrush, of Sensacine and of Filmstarts: find lots of information about movies, people, etc.
    Downloads: 0 This Week
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  • 8
    AWL, "Another Wizard Library", is a java swing-based library that provides extended functionnalities to easily create rich wizards.
    Downloads: 0 This Week
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  • 9
    BTTF allows to elevate the level of abstractions at the moment of working with time in an application. Being able to model domains thinking in terms of minute, day, month year, ranks and periods of time, etc. Avoiding dirty handlings of primitive types.
    Downloads: 0 This Week
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  • DAT Freight and Analytics - DAT Icon
    DAT Freight and Analytics - DAT

    DAT Freight and Analytics operates DAT One truckload freight marketplace

    DAT Freight & Analytics operates DAT One, North America’s largest truckload freight marketplace; DAT iQ, the industry’s leading freight data analytics service; and Trucker Tools, the leader in load visibility. Shippers, transportation brokers, carriers, news organizations, and industry analysts rely on DAT for market trends and data insights, informed by nearly 700,000 daily load posts and a database exceeding $1 trillion in freight market transactions. Founded in 1978, DAT is a business unit of Roper Technologies (Nasdaq: ROP), a constituent of the Nasdaq 100, S&P 500, and Fortune 1000. Headquartered in Beaverton, Ore., DAT continues to set the standard for innovation in the trucking and logistics industry.
    Learn More
  • 10

    CommanderPhp

    Commander Easy PHP Framework

    A simple framework for application development in PHP, Object Oriented with MVC architecture and modular development. Focused on simplicity and rapid application development.
    Downloads: 0 This Week
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  • 11
    Cooperator is on the one hand, a base class library for Object Relational Mapping, ORM, and by another one, a tool of code generation for for the MS.Net 2.0/3.0, using Business Objects and Stored Procedures. DAL, ORM, UOW, FACADE, MAPPER, MODELING ...
    Downloads: 0 This Week
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  • 12
    A .Net 2.0 library that encapsulates from ADO.Net the functionality for connecting to the most common data servers like MySql, PostgreSql, MsSql (testing), ms Access(testing) and Oracle(soon).
    Downloads: 0 This Week
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  • 13
    DEG Frameworks

    DEG Frameworks

    Motor de aplicaciones php, MVC y POO

    Es dificil describir a DEG ya que no es un framework, es un SISTEMA DE APLICACIONES y por tanto no es una aplicación determinada como un cms o un foro, DEG es el sistema con el que se puede realizar todo tipo de aplicaciones web sin importar el alcance que se le quiera dar. A diferencia de otros sistemas donde hay un “motor” definido, DEG no tiene una clase o archivo que sirva de “motor” porque está pensado para que el conjunto funcione como un TODO. DEG está creado con base en el modelo de abstracción de desarrollo de software MVC, el motor de plantillas integrado con el que se facilita el manejo de los idiomas es un solo elemento que gestiona la conexión entre el soft y la vista, para mas info pasen por nuestra web http://proyectodemonia.com.ar
    Downloads: 0 This Week
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  • 14
    GAEM stands for Graphical Adventure tiny-Engine for Mobiles. Its main use is to read some text files and images and generate the game. It's being developed in J2ME under CLDC/MIDP environment.
    Downloads: 0 This Week
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  • 15
    Gaphor is a UML modeling environment written in Python. Gaphor is small and very extensible. The repository is located at http://github.com/gaphor/gaphor.
    Downloads: 0 This Week
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  • 16
    Genesis is an IOC framework written in Java. It allows you to instantiate different kinds of objects with diverse tools which are provided by the abovementioned framework: XML, extensible design, reflective API, containers for the different types of IOC.
    Downloads: 0 This Week
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  • 17
    Bean oriented to creation & manipulation forms in web apps.
    Downloads: 0 This Week
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  • 18
    Este es un código que genera una imagen con una cadena de caracteres dentro para usar de validador por imagen. Es muy util para formularios WEB. Es muy facil de usar y tiene una documentación completa con ejemplos. Ademas trae muestras
    Downloads: 0 This Week
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  • 19
    The project models a Matrix in JAVA with a complete Object Oriented approach, from its values to its access and indices. There are specialized classes for tables(2), cubes(3), and arbitrary(N) dimensions matrices
    Downloads: 0 This Week
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  • 20
    JaDiMa (Java Distributed Machine} is a collaborative platform to construct high performance distributed java applications on grid platforms. It is a system that automatically and transparently manages the remote libraries used in a java application.
    Downloads: 0 This Week
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  • 21
    Java Manufacturing Components Project, is an Open Source Project that give the core infraestructure to build an Entire Manufacturing System that includes 3 main Lean Manufacturing Methods 1.- Batch Production, 2.- Job Production and 3.- Continuous Produc
    Downloads: 0 This Week
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  • 22
    Mutis is a Delphi port of the Lucene Search Engine. Provide a flexible API for index, catalog and search text-based information with great performance. Excelent for implement custom search engines, researching, text retrieval, data mining and more.
    Downloads: 0 This Week
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  • 23
    Java Component created to persist and work with trees (it doesn't matter the type of persistence). Based on "Nested Set Model of Hierarchies" by Joe Celko. [Componente Java para persistir y trabajar con árboles (no importa el tipo de persistencia)]
    Downloads: 0 This Week
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  • 24
    OOB/N1 is a PHP5 Framework. Its meant to work under IIS/Apache and Win/Linux enviroments without modifications. This framework is not a simple Template/DB pack, but a complete engine to develop PHP-Applications.
    Downloads: 0 This Week
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  • 25
    The OmniPHP Framework is a set of OOP libraries to build advanced PHP applications; such as dynamic web forms, CRUD, data entry, reports, enterprise or business applications, and others. Web 2.0, scalability, db abstraction, session management.
    Downloads: 0 This Week
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