Open Source Windows Object Oriented Software
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Object Oriented Software for Windows
View 2002 business solutionsBrowse 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.
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MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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$300 Free Credits to Build on Google CloudPut your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
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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. -
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Unit testing, mock objects and web testing framework for PHP built around test cases. If you know JUnit/JMock or some of the PHPUnit clones this will need no explanation. Includes a native web browser for testing web sites directly (no JavaScript).
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DeepCopy
Create deep copies (clones) of your objects
DeepCopy helps you create deep copies (clones) of your objects. It is designed to handle cycles in the association graph. How do you create deep copies of your objects (i.e. copying also all the objects referenced in the properties)? You use __clone() and implement the behavior yourself. DeepCopy recursively traverses all the object's properties and clones them. To avoid cloning the same object twice it keeps a hash map of all instances and thus preserves the object graph. Alternatively, you can create your own DeepCopy instance to configure it differently. You may want to roll your own deep copy function. You can add filters to customize the copy process. DeepCopy\Matcher applies on a object attribute. DeepCopy\TypeMatcher applies on any element found in graph, including array elements. The PropertyNameMatcher will match a property by its name. -
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SMC - The State Machine Compiler
Translates state machine into a target programming language.
SMC takes a state machine stored in a .sm file and generates a State pattern in 14 programming languages. Includes: default transitions, transition args, transition guards, push/pop transitions and Entry/Exit actions. See User Manual for more info. -
Go from Code to Production URL in SecondsSkip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
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Castle aspires to simplify the development of enterprise and web applications. Offering a set of tools (working together or indepedently) and integration with other open source projects, Castle helps you get more done with less code.
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[incr Tcl] is the most widely used O-O system for Tcl. The name is a play on C++, and [incr Tcl] provides a similar object model, including multiple inheritence and public and private classes and variables. Repos now http://core.tcl.tk/itcl and itk
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Eclipse and Java Video Tutorials
Video tutorials for learning Java OOP programming with Eclipse.
Free video screencam tutorials for Eclipse and Java. Includes "Eclipse and Java for Total Beginners", "Using the Eclipse Workbench", "Introducing Persistence", and "Using the Debugger". Intended for beginning and intermediate users and programmer. You can view the Total Beginners tutorials on Youtube at https://www.youtube.com/playlist?list=PLv6UtFrA7VEu4PtzJaGHHSeZBi6mdJtwv. You can read descriptions and download all of the tutorials at http://eclipsetutorial.sourceforge.net. -
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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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PLEASE NOTE that we are in the process of moving to GitHub: https://github.com/jasypt/jasypt Jasypt (Java Simplified Encryption) is a java library which allows the developer to add basic encryption capabilities to his/her projects with minimum effort, and without the need of having deep knowledge on how cryptography works. PLEASE NOTE that we are in the process of moving to GitHub: https://github.com/jasypt/jasypt
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99.99% Uptime for MySQL and PostgreSQL DatabasesCloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
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Cindy components for Delphi 7 and newer
Packages with more than 80 components for all delphi versions
Packages with 86 components for all delphi versions (since D7) to build Windows 32/64 bit applications: VCL controls (labels, buttons, panels, Edits, TabControls, StaticText) with features like background gradient, colored bevels, wallpaper, shadowText, caption orientation etc... TcyCommunicate and TcyCommRoomConnector allows communication between applications running in same computer session. TcySearchFiles and TcyCopyfiles allow respectively search and copy files with pause/resume/abort features. TcyResizer allow move and resize components at run-time like delphi 2009 does. Advanced DB Express components (tested with mySQL) for easy table data handling (tcyDbxTable or TcyDbxSimpleTable), schema modifications (TcyDbxUpdateSql), reconcile handling (TcyDBXReconcileError) and table creation (cyDbxImportDataset1). TcyMathParser can parse matematical expressions. TcyWebBrowser allows view/edit html documents. TcyDbAdvGrid is a DBGrid with advanced feature etc ... -
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Ada Class Library
Ada Class Library - an object orientated library for Ada.
Text search and replace. Scripting (small tool programs). CGI scripts. Execution of external programs (incl. I/O redirection). Garbage Collection. Extendended Booch Components. CD-Recorder -
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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 2026R1 build 2026.1.0.467 was released to production on 2026-01-09. https://sourceforge.net/projects/stdfndclass/files/FrameWork/Integrated => The STD Framework "Example Apps" 2026 R1 latest builds https://chrispollach.blogspot.com/2026/03/updated.html => Updated version of the STD "Order Entry" example App 2025R2 build 2026.1.0.647 was released on 2026-04-08. https://sourceforge.net/projects/stdfndclass/files/Applications/PowerBuilder/OrderEntry -
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EiffelStudio is an Integrated Development Environment (IDE) that provides comprehensive facilities to programmers. It offers a comprehensive suite of tools that enable programmers to produce correct, reliable, and maintainable software while keeping control of the development process. If you want to create fast, robust, scalable applications, then EiffelStudio™ will offer you a cost-effective solution. Imagine being able to model your system as you think – capturing your requirements and your thought processes with EiffelStudio. When ready to design, you build upon the model you just created, still with EiffelStudio. Then you implement with EiffelStudio. You never need to throw anything out and start over. You don’t need extra tools to go back and safely make changes in your architecture. Roundtrip engineering? It’s built in by design. Testing, metrics and productivity tools? They’re built in. EiffelStudio accommodates quickly and efficiently new thoughts and changes.
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db4o is the world's leading open source object database for Java and .NET. Leverage fast native object persistence, ACID transactions, query-by-example, S.O.D.A object query API, automatic class schema evolution, small size (http://developer.db4o.com)
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Outdated: New version can be found here...https://github.com/bernharde/hexbox Be.HexEditor is a small, fast and simple hex editor. It contains a reusable hex edit control called HexBox. This C# control is reusable for every .NET Framework application.
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SCL Manipulation and Configuration Tools, is a set of libraries and applications that allows to create and modify XML files witch use Substation Configutation Language based on IEC61850 part 6 standart.
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ELENA Programming Language
an object-oriented language with late binding
ELENA is a general-purpose, pure object-oriented language with late binding. It promotes more object-oriented program design, reusable and more standardized code. The package includes compiler, IDE, ELENA libraries and samples -
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The ftp4j library implements a Java full-featured FTP client. With ftp4j embedded in your application you can: transfer files (upload and download), browse the FTP site (directory listing), create, delete, rename and move directories and files.
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PythonQt
Dynamic Python binding for Qt Applications
NOTE: PythonQt has been moved to https://github.com/MeVisLab/pythonqt PythonQt is a dynamic and lightweight script binding of the Qt framework to the Python language. It can be easily embedded into Qt applications and makes any QObject derived object scriptable via Python without the need of wrapper code generation. -
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Imagine
PHP 5.3 object oriented image manipulation library
Imagine is a OOP library for image manipulation built in PHP 5.3 using the latest best practices and thoughtful design that should allow for decoupled and unit-testable code. ImagineInterface (Imagine\Image\ImagineInterface) and its implementations is the main entry point into Imagine. You may think of it as a factory for Imagine\Image\ImageInterface as it is responsible for creating and opening instances of it and also for instantiating Imagine\Image\FontInterface object. The main piece of image processing functionality is concentrated in the ImageInterface implementations (one per driver - e.g. Imagick\Image). The main idea of Imagine is to avoid driver specific methods spill outside of this class and couple of other internal interfaces (Draw\DrawerInterface), so that the filters and any other image manipulations can operate on ImageInterface through its public API. -
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MyBatis
MyBatis SQL mapper framework for Java
MyBatis is a first class persistence framework with support for custom SQL, stored procedures and advanced mappings. MyBatis eliminates almost all of the JDBC code and manual setting of parameters and retrieval of results. MyBatis can use simple XML or Annotations for configuration and map primitives, Map interfaces and Java POJOs (Plain Old Java Objects) to database records. Every MyBatis application centers around an instance of SqlSessionFactory. A SqlSessionFactory instance can be acquired by using the SqlSessionFactoryBuilder. SqlSessionFactoryBuilder can build a SqlSessionFactory instance from an XML configuration file, or from a custom prepared instance of the Configuration class. Building a SqlSessionFactory instance from an XML file is very simple. It is recommended that you use a classpath resource for this configuration, but you could use any InputStream instance, including one created from a literal file path or a file:// URL. -
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UCDetector
Eclipse Plugin to find unused Java code
UCDetector (Unnecessary Code Detector) is a Open Source Eclipse Plugin Tool. UCDetector finds unnecessary (dead) public Java code. It suggests to make code final, protected or private. -
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Small footprint C++ library to extract an XPath 1.0 expression from an XML tree. Uses the TinyXML project to parse XML trees and store intermediate results. Runs on any platform. Optional use of STL. Overhead less than 100KB, including TinyXML.
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JDatePicker. JavaBean components(calendar panel, combobox, dialog). Support appearance customization with visual editors, external skins support. Single, period, miltiple or null selection. Also support visual property customization without IDE
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PHPRtfLite is an API enabling developers to create rtf documents with php. PHPRtfLite is designed on OOP principles.
