C# Object Oriented Software

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

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  • 1
    SMC - The State Machine Compiler

    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.
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    Downloads: 31 This Week
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  • 2
    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 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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    Downloads: 58 This Week
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  • 3
    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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    Downloads: 21 This Week
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  • 4
    Outdated: New version can be found here...https://github.com/bernharde/hexbox Be.HexEditor is a small, fast and simple hex editor.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.
    Downloads: 9 This Week
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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.
    Downloads: 4 This Week
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  • 6
    Evil Dicom (classic)
    The original C# .NET 4.0 DICOM library designed for rapid development of DICOM applications. the new library can be found at evildicom.rexcardan.com. The website has maintenance planned for 08.21.12 and will be down.
    Downloads: 4 This Week
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  • 7
    Sort, filter and aggregate lists of business objects without all the boring code! This library provides a powerful "view" approach to data binding .NET objects to user interface controls.
    Downloads: 2 This Week
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  • 8
    VR Paged List for C# and more

    VR Paged List for C# and more

    VR Paged List for C# and more

    a collection of Vincent Radio {Adrix.NT} C# sources & build projects includes - Paged Lists & Iterators Library for C# - Multi Dimensional Array Library for C# - MDArray List Manager Library for C# - Adjacency (List | Matrix) Direct Graph Libs for C# - Range Check functions - VRMosaic (WinForms) - with Auto Resolver also includes - Source Files - Visual Studio Build Projects - Test Applics have fun adrixnt@hotmail.it
    Downloads: 2 This Week
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  • 9
    A .Net library to handle conversions from and to JSON (JavaScript Object Notation) strings. Written in C# 2.0 and compatible with all .Net languages.
    Downloads: 1 This Week
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  • 10
    Component (library, framework) refactoring may affect existing applications, where the client code used previous component versions. Our tool preserves applications binary-compatible by generating an adaptation layer out of change history.
    Downloads: 2 This Week
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  • 11
    EIDNative Library is a freeware SDK for Belgian Electronic ID Card. EIDNative Library includes native API for: * Microsoft .NET * Native Win32 * Visual Basic 6.0 and VBA * Java (only Windows platform)
    Downloads: 2 This Week
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  • 12
    A core framework based on .net technology to provide extended functionalities upon the standard .net framework. - Generic ORM engine (based on Emit) - High performance Cache impl - Lite Reflection.Emit framework - Collection Framework (proposed)
    Downloads: 1 This Week
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  • 13
    A framework that provides AJAX technologies for web pages created with ASP.NET. It allows developers to easily integrate AJAX support into their pages without replacing the ASP.NET controls and/or writing javascript code.
    Downloads: 1 This Week
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  • 14

    Math Tools

    Provides useful mathematical tools which make your work much easier.

    Math Tools provides mathematical tools, allows you to calculate triangle propeties, and find both parametric and algebraic forms of planes. ------ More Tools Will be Added in The Future ------ ------ Translation to english will be completed soon ------
    Downloads: 1 This Week
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  • 15
    .NET 2.0 reflection-to-cache-based library, with an ASP.NET UI generation feature. Uses Dynamic IL to generate VERY fast accessors to properties, and allows direct get and set of objects to controls that allow for their edit or display in ASP.NET forms
    Downloads: 1 This Week
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  • 16
    This is a calendar control with multi-select. It provides a point and click interface for selecting holidays or special days. It previously extended on MonthCalendar, now it has a fixed size in all regions and all drawing is handled internally.
    Downloads: 0 This Week
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  • 17
    NDO® (.NET Data Objects®) is a powerful tool for object relational mapping (O/R-Mapping) on the Microsoft® .NET Platform. It integrates smoothly in Visual Studio, using an Add-in. The latest version 3.0 works with .NET 4.0/4.5/4.5.1 and Visual Studio 2010/2012/2013/2015. Download and issue tracking has been moved to the NDO Website.
    Downloads: 0 This Week
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  • 18
    A time schedule graphical component with a point and click interface. This is a custom drawn control written in C#. It provides an easy interface for laying out periods of time associated with a predefined color/state. The control respects local timeform
    Downloads: 0 This Week
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  • 19
    The ADL Resource Libraries provide an open-source, standards-based set of APIs, tools, and services as a “starter kit” to anyone who is interested in building software that is SCORM 2004 3rd Edition conformant and leverages other established and emerging ADL technology.
    Downloads: 0 This Week
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  • 20
    AODL,a C# .net library for creating / editing documents in the OpenDocument Format ( ODF ). Requires no knowledge about the ODF XML schema itself. AODC, an OpenDocument Converter & Embed OpenOffice as .net Control
    Downloads: 0 This Week
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  • 21
    A main aim of this project is to deliver an infrastructure for HL-7 v3 compilant messages exchange. This infrastructure should be based on existing real time queueing system such as Apache ActiveMQ. A product of this project does not include user interfa
    Downloads: 0 This Week
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  • 22
    Class library to provide algorithmic functionality to collections. Some of the algorithms are: ForEach, Find, FindAll, Collect, etc.
    Downloads: 0 This Week
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  • 23
    2d shooter game
    Downloads: 0 This Week
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  • 24
    A .Net library coded in C# language that inplements some sort of functions I found useful.
    Downloads: 0 This Week
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  • 25
    Amber.net is a lightweight R/O mapper framework for .net, which easy database access without XML descriptors. It uses reflection and annotations for the CRUD cycle of c# objects. Amber.net is dot net version of original java version of Amber
    Downloads: 0 This Week
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