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
    Libiqxmlrpc is C++ object-oriented library that represents an XML-RPC solution for both client and server. It supports HTTP and HTTPS, both single-threaded and multi-threaded computation models on the server side, method interceptors, and other features.
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    Downloads: 91 This Week
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  • 2
    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: 30 This Week
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  • 3
    Gambas
    A Graphical Developement Environment based on a Basic Interpreter with object extensions.
    Downloads: 24 This Week
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  • 4
    ELENA Programming Language

    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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    Downloads: 20 This Week
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  • 5
    CLAW is a C++ Library providing various tools in different domains, like a Tweener framework, Bézier curves manipulation, a map with multiple value types, a binary search tree container implemented as an AVL and an implementation of the sockets as std::stream. The library also includes a set of classes to easily load and write png, jpeg, gif files and other image formats. Finally, a part of the library is devoted to artificial intelligence in games and includes a generic alpha-beta algorithm. Each module is provided with an example program.
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    Downloads: 79 This Week
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  • 6

    libthreadar

    C++ library to manage threads and any type of exception between them

    Libthreadar is a C++ library providing an abstracted set of C++ *classes* to manipulate threads in a very simple and efficient way from your C++ code. It also handles exceptions thrown from a thread and propagated to another one, when the later is calling the thread::join() method. This let one manage exceptions as simply as it is in C++ single threaded context. Additionally, all the related objects around multi-threading (mutex, semaphore, ...) are provided, under easy to use and independent C++ classes. Other more advanced classes ease the information exchange between threads like scattering and gathering a collection of objects between many threads, or asynchonous buffered information exchanges between two threads. All these C++ classes are easy to use and fully documented
    Downloads: 55 This Week
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  • 7
    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: 30 This Week
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  • 8
    libQtCassandra

    libQtCassandra

    C++ library for Apache Cassandra with Qt Framework

    C++ wrapper library for the Apache Cassandra distributed database system using Qt as the basic framework. Offers C++ array like syntax to quickly read and write in the database. Well thought and fast object oriented library(i.e. caching.)
    Downloads: 31 This Week
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  • 9
    AMMORIA (ARAB) is an object oriented programming language uses Arabic words instead of English words, to make learning programming for Arab children easy and fast, it's planned to support Urdo and Farsi too, AMMORIA has its won IDE and Visual stuff.
    Downloads: 6 This Week
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  • 10
    Easy2D is an object oriented game library that makes possible writing 2D tile-based games with speed and ease. It encapsulates common tasks found in these games, such as: tile maps, animated sprites, bitmap fonts, etc., and is written in C++ using SDL.
    Downloads: 9 This Week
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  • 11
    STLSoft C and C++ Libraries
    Robust, Lightweight, Cross-platform, Template Software. STLSoft is a collection of STL and standard library extensions, and facades over operating-system and 3rd-party APIs.
    Downloads: 4 This Week
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  • 12
    TTMath - a bignum library for C++
    A bignum library written in the C++ programming language as templates. It provides standard mathematical operations like add, sub, mul, div, pow etc. with the big integer and big floating point numbers.
    Downloads: 4 This Week
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  • 13
    libebt provides simple, elegant, human readable backtraces for C++ applications via the RAII (resource acquisition is initialisation) idiom.
    Downloads: 11 This Week
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  • 14
    LibSylph
    LibSylph is a cross-platform C++ basic utility and data processing library. It has classes and methods that facilitate reading, writing, processing and sharing data in various kinds of formats.
    Downloads: 10 This Week
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  • 15
    libthrowable is a small library to ease error handling and debugging in C++.
    Downloads: 9 This Week
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  • 16
    Delphi : VRCalc++ OOSL (Script) and more

    Delphi : VRCalc++ OOSL (Script) and more

    Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)

    Vincent Radio {Adrix.NT} Sources Library & Applications : Delphi C++ Java VRCalc++ C# VRCalc++ Object Oriented Scripting Language - Engine Source Pascal Code - Delphi Packages Build Prjs - VRCalc++ Scripted System Std RT Library - Guides & Docs (CHM, PDF, DOCX) - VCL & FMX (FireMonkey) Support - Script Test Code (Lang RTL VCL FMX) - Visual Stage Project : VCL & FMX Paged Lists & Iterators : Delphi C++ Java C# Multi-Dim Arrays & Direct Graph Classes : Delphi C++ Java VRCalc++ C# Delphi Drag&Drop Applications - VRCalc++ Script Executors: Terminal, VCL, FMX - VRMultiEdit - VRLazyCodeEditor - VR Astro Vision (Astrology) - Paged List Test - VRMosaic : Delphi C++Builder Java C# +with auto resolver - VR Free Chess 2D - VRBlocks - VRGraphStage - VR TTT OX + icons & bitmaps + VCL VisualStyles + Build Projects + instructions to build projects to build projects - Delphi : RAD Studio - C++ : Dev-C++ - java : NetBeans - C# : MS/VS adrixnt@hotmail.it
    Downloads: 2 This Week
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  • 17
    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.
    Downloads: 7 This Week
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  • 18

    Active Object real-time OS

    AO RTOS is small real time OS based on Active Object concurrency model

    AO-RTOS is a pure object-oriented small footprint real-time operating system for embedded devices. The project is using Active Object (or Actor) concurrency model and finite state machine (FSM) design template as implementation base.
    Downloads: 2 This Week
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  • 19
    ClassBuilder is freeware CASE tool targeted at the C++ developer, running on Win2K/XP/Vista/7. It lets you create, manipulate and navigate classes, class relations, class members and class methods at a high level of abstraction through a graphical user interface
    Downloads: 3 This Week
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  • 20
    wsdlpull is an efficient and powerful command line utility for dynamic inspection and invocation of WSDL web services.It provides a C++ library with dynamic WSDL invocation API,WSDL parser,Schema parser and Validator and an xmlpull Parser/Serializer.
    Downloads: 4 This Week
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  • 21
    Object oriented reusable software classes designed to be used to construct larger software projects developed in multiple software languages.
    Downloads: 4 This Week
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  • 22
    Agar

    Agar

    Cross Platform GUI Toolkit

    Agar provides a base GUI framework and a standard set of widgets from which graphical applications can be built which run natively under X11, Windows, MacOS, SDL and others. It takes advantage of texture and GPU acceleration wherever available. Agar can also attach to an existing framebuffer, SDL or OpenGL context and operate as a self-contained window-manager. It includes a standard library of general-purpose widgets, and is also designed to be extended externally. New widgets can be implemented as part of an application or library. Complex user interface elements can be realized often in few lines of code. Agar is also extensible at the low-level. The low-level API is documented such that modular drivers can be written which enable Agar applications to work seamlessly under many platforms graphics systems without any change at the application level.
    Downloads: 4 This Week
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  • 23
    The Micro C++ Library (libmicxx) is a small set of portable and easy to use classes providing core features commonly used in modern applications. It is based completely on the Standard C++ Template Library (STL).
    Downloads: 3 This Week
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  • 24
    PyKCS11: a complete PKCS#11 wrapper for Python, created using the SWIG compiler. API documentation: http://pkcs11wrap.sourceforge.net/api/
    Downloads: 3 This Week
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  • 25
    GOTT (GUI on transparent technology) is a highly portable and extensible widget toolkit and development framework written in C++ which aims towards good design and clean programming style while being open for all changes.
    Downloads: 3 This Week
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