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.

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
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  • 1
    Window Object is a Library for windowed programming in Free Pascal Compiler under Win32 and GTK. The library include a resource Designer (IDE).
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    Downloads: 7 This Week
    Last Update:
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  • 2
    Structorizer
    Structorizer is a little tool which you can use to create Nassi-Schneiderman Diagrams (NSD). Stuctorizer is written in Java and free for any use. The code has been moved to Github: https://github.com/fesch/Structorizer.Desktop
    Downloads: 4 This Week
    Last Update:
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  • 3
    Merucav

    Merucav

    An advanced gradient design and editing tool.

    An advanced gradient design and editing tool made using Firebase Studio, Next.js, and Perplexity. Live app: https://merucav.netlify.app/ GitHub repository: https://github.com/Northstrix/merucav This app is built on top of https://nofpg.netlify.app and http://noegarsoux.github.io/GradientGen/ The app is fully localized into: ✅ English ✅ Hebrew ✅ Italian ✅ Latin American Spanish ✅ Brazilian Portuguese ✅ Cantonese ✅ Japanese ✅ Korean ✅ Vietnamese ✅ Polish ✅ Czech ✅ Hungarian ✅ French ✅ German ✅ Dutch
    Downloads: 5 This Week
    Last Update:
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  • 4
    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:
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  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
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  • 5
    ECCO is a web-based IDE. In other words is an online development environment with file manager, console interface for compiling and execution of code and an editor with syntax highlighting, tabs and support for many languages and accessed with a browser
    Downloads: 0 This Week
    Last Update:
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  • 6
    MultiJADS is a domain independent multiagent active design documents shell. It uses multiagent technology to support activities in concurrent and distributed design systems and is based on the Active Design Documents (ADD) approach.
    Downloads: 0 This Week
    Last Update:
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  • 7
    Objetivo de disseminar conhecimentos das diversas áreas de saber que envolvem o desenvolvimento de jogos independente de plataforma. The objective to spread diverse knowledge of areas to know that to involve the independent development of platform games
    Downloads: 0 This Week
    Last Update:
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  • 8
    Sigerar
    Sigerar is a software requirements management tool. Currently available only in Brazilian Portuguese.
    Downloads: 0 This Week
    Last Update:
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  • 9
    TerraER

    TerraER

    http://www.terraer.com.br

    TerraER is a free, open-source application that makes the understanding of data modeling much easier. The tool is addressed to academics, specially to support modeling database courses. Come to our web page to download TerrarER: http://www.terraer.com.br/index_en.html ---------------------------------------------------------------------------------------------- O TerraER é um programa gratuito, que facilita o aprendizado de modelagem de dados. A ferramenta é inicialmente voltada ao meio acadêmico, mais especificamente no auxílio ao aprendizado de disciplinas de modelagem de banco de dados. Venha para nossa web page para fazer o download: http://www.terraer.com.br
    Downloads: 0 This Week
    Last Update:
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  • Connect every part of your business to one bank account Icon
    Connect every part of your business to one bank account

    North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account

    North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
    Get started for free.
  • 10
    hm DataModeler
    hm DataModeler is a software for modeling data.
    Downloads: 0 This Week
    Last Update:
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  • 11
    myFuses is a Controller Framework that helps desing, develop and maintain PHP applications. MyFuses is based on Fusebox and was designed to be more extensible and stable.
    Downloads: 0 This Week
    Last Update:
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