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

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
    Try for free
  • 1
    Yapsy

    Yapsy

    A fat-free DIY Python plugin management toolkit.

    A simple framework for plugin system development with as few dependencies as possible. It is designed to offer a set of very lean classes (plugin managers and plugin interfaces) which can easily be customised by decoration or inheritance. Yapsy v1.x supports Python2 and Python3. Its source package contains versions of the sources for both pythons. Yapsy v2+ supports Python 3 and it's development happens now on https://github.com/tibonihoo/yapsy/ Usage samples, advices and developer's documentations are available on the main website.
    Downloads: 67 This Week
    Last Update:
    See Project
  • 2
    Dzine is a case tool for OOAD. Draw use case,interaction,class,deployment,ER Diagrams. Code generation in C++ and java and for SQL. Reverse engg design from code. Just put in your Java or C++ code and generate class diagrams.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 3
    Dependency Finder
    Extracts dependencies and OO metrics from Java class files produced by most Java compilers. Computes API differences between versions. No source needed. Includes both Swing and command-line interfaces, with XSL stylesheets for formatting output.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4
    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: 1 This Week
    Last Update:
    See Project
  • Free and Open Source HR Software Icon
    Free and Open Source HR Software

    OrangeHRM provides a world-class HRIS experience and offers everything you and your team need to be that HR hero you know that you are.

    Give your HR team the tools they need to streamline administrative tasks, support employees, and make informed decisions with the OrangeHRM free and open source HR software.
    Learn More
  • 5
    Jikes RVM
    The Jikes Research Virtual Machine (RVM) is designed to execute Java(TM) programs that are typically used in research on fundamental virtual machine design issues.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    The Lighting Framework is a framework for rapidly designing, developing and deploying Windows Forms Smart Client applications using Microsoft’s .NET framework. The Framework frees the developer from the mundane task of creating the application shell.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    PapaFactory is a header-only C++ library providing three generic abstract factories. The library is licensed under the Boost software license which allows incorporation into propriety software.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    AsyncSocket is a python module used for asynchronous socket connections that supports connection and read/write timeouts.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    The Bidirectional Object-oriented Transformation Language (BOTL) is a tool for object-oriented model transformations.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Say goodbye to broken revenue funnels and poor customer experiences Icon
    Say goodbye to broken revenue funnels and poor customer experiences

    Connect and coordinate your data, signals, tools, and people at every step of the customer journey.

    LeanData is a Demand Management solution that supports all go-to-market strategies such as account-based sales development, geo-based territories, and more. LeanData features a visual, intuitive workflow native to Salesforce that enables users to view their entire lead flow in one interface. LeanData allows users to access the drag-and-drop feature to route their leads. LeanData also features an algorithms match that uses multiple fields in Salesforce.
    Learn More
  • 10
    CLAM (Common Language Automation Machine) attempts to eliminate the rote mapping of data to objects that is prevalent in most modern development languages by breaking the bonds of relational data and providing a generic mechanism for retrieving data.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Group project to develop a campground reservation system as part of a Software Engineering class requirement.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Simulation of a simple factory building cars. The aim is to design and refactor the code according to some semi-precise specification.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    The API features a layer between the trivial PHP and the low level web GUI (XHTML, XML, Javascript, PDF, Ajax ...). It’s extensible because of its clean and easy structure. The Concept comes with a widget toolkit, many plug-ins, themes and sub-modules.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    A small library that provides a powerful and container-less Dependency-Injection mechanism, via AspectJ and Groovy. If you are tired of reams of XML configuration files, managing complex factories and containers, this non-API solution may appeal to you.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15

    DDD sample application

    Domain-Driven Design sample application

    The previous home of the Domain-Driven Design sample application implementation.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    DataQuicker is a data access layer framework. It helps us to cut down, accelerate development and decrease risks. It's more possible to provide our customers a perfect on-time project, and release us away from working over-time and delay.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    The well known GOF design patterns will be implemented with C++ in this project for educational purposes.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    DMDF has collection of Frameworks for distribute your domain model. The Domain Model Transportation framework [sub project] let you use your own domain model replace DTO.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    A small library that enables interface based duck typing for Java. Based on java.lang.reflect.Proxy
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    EliteCore Project is a PHP5.1/Javascript/AJAX/XHTML/CSS framework for creating WEB 2.0 applications and services.The basic open-source instalation can be also used as an interactive personal page or BLOG.This project uses the latest features available.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    The project is used to design Excel and HTML report. The new idea it brings to us is that we can develop reports with VBA macros, just as the importance of css to html. And we and change the report without compile the projects...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Extended C gives Object-Oriented features such as self-referential structure pointers via macros to C, resulting in an object-oriented style. Currently tested in gcc, we hope to stabilize it for other compilers as well, including Borland & Visual Studio.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Fast UML is an open-source UML tool with a simple user interface pop-up free. Draw UML diagrams fast, export diagrams to png, jpg and clipboard. It pretends to be the union between Violet and UMLet.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Fragments is a highly sophisticated C++ library for composing classes from freely definable "fragments". Among other things it can be used to create container classes - just by selecting a set of "fragments" to combine.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    FunctionalJ is a library which makes it easy to use functional programming patterns in Java, such as representing functions as objects, partial function application, higher-order functions, mapping, folding, and more.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • Next