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.

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB 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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  • 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
    X11 Designer

    X11 Designer

    Create basic GUI windows for minimal Linux distros

    X11 Designer tool is used to design desktop independent basic GUI windows. A C code template source file is automatically generated after having performed a simple graphical editing. This is a simple way to create applications requiring only Xlib.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 2
    Blackpaw is a development system made in Java for designing top-down 2D role-playing games.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3

    DOS GUI Graphics (QBasic)

    Make yourself a GUI for DOS from QBasic

    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    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
  • 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
  • 5
    GeoWidgets is a set of reusable UI widgets for geographic applications (GIS), such as referencing dialogs, legends, styling widgets or map panes. The project is based on GeoTools (in Java) and supports several GUI toolkits (e.g Swing, SWT). Note that, while functional, this library is not developed any further.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    Libverticale's mission is to provide semantic web services for an artists center.
    Downloads: 0 This Week
    Last Update:
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  • 7
    Northwind Starter Kit project has moved, see details in the news below.
    Downloads: 0 This Week
    Last Update:
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  • 8
    This project is a Class-Diagram plugin for SharpDevelop, that resembles the Visual Studio (Enterprise Edition) Class Diagram, and allows an overall view of the project classes. Currently integrated into SharpDevelop - www.sharpdevelop.com.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Slender UML aims to be a streamlined UML diagramming tool. It will feature a simple GUI environment allowing quick creation of UML diagrams without a serious investment of time. Slender UML will be easily used by anyone with a working knowledge of UML.
    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
    Analyse and convert sources to trees of blocks. Project on FreePascal and Lazarus.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    The Multi-platform advanced networked game engine (MANGE). Users will be able to create maps and scripts to create a huge on-line environment for many players. MANGE will allow users with no coding knowledge to create complex on-line games.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Providing streamlined interface creation, Web-Layout is a tag library for Java MVC frameworks. Relying on powerful tags to display panels, input fields, and calendars, Web-Layout is fully skinable with XSL.
    Downloads: 0 This Week
    Last Update:
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  • 13
    Webkit Scrollbar Generator

    Webkit Scrollbar Generator

    A easy and simple webkit scrollbar generator

    Downloads: 0 This Week
    Last Update:
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  • 14
    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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  • 15
    none

    none

    A lightweight (only 7kb) javascript for creating modals

    GPL 3.0 license, lightweight (only 7kb), easy, no css required, jquery support, bootstrap compatible. Probably the worlds most easy to use modalscript - no css required. From scratch it automatically fits to your website. Check out the examples on http://modal.easyjs.de
    Downloads: 0 This Week
    Last Update:
    See Project
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