Browse free open source Usability software and projects below. Use the toggles on the left to filter open source Usability 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.
    Start Free
  • 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.
    Sign up for free
  • 1
    JavaScript QR Code

    JavaScript QR Code

    Make QR Codes in JavaScript

    A mini javascript library to get the famous QR code. You can set the size, content to be encoded and get the html code to include the image in your web pages. You can also share the image via email with a simple interface included in the mini library Now is available Desktop app, QR Code Generator, where Window 7 and later are supported. Both x86 and amd64 (x64) binaries are provided for Windows. Please note, the ARM version of Windows is not supported for now. Get Android app: https://play.google.com/store/apps/details?id=com.ulm.chartgeneratordroid Get Firefox add-on: http://mzl.la/1Jp8A57 Get Opera extension: http://bit.ly/1jzYiU5
    Downloads: 5 This Week
    Last Update:
    See Project
  • 2
    A Firefox plugin to automagically backup forum postings.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    HtZip is a lightweight HTTP Server that serves files out of Zip Files on the server by only uncompressing the requested file.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Takes data from a text table and wraps fields with html tags, this way building an html page ready to be served to your iPhone or iPod Touch.
    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
  • Previous
  • You're on page 1
  • Next