Browse free open source HTML/XHTML software and projects below. Use the toggles on the left to filter open source HTML/XHTML 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.
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  • 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
    XForms to XHTML+Javascript (AJAX) conversion based on a unique XSL transformation. Suitable server-side (PHP) or client-side (Internet Explorer, Mozilla FireFox, Opera, Safari) browser treatement where an XSLT 1.0 engine is available
    Downloads: 2 This Week
    Last Update:
    See Project
  • 2
    Niche website for webmasters promoting adult companies through referrals, Flat File RSS Archives, make money through webmaster referrals and from the regular surfer. New programs are added all the time so please use this to your advantage.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 3
    Web Widget Toolkit (WTK): Server-side components for easily creating web-based user interfaces with complex navigation.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 4
    OsisForms: An OO component library/framework for creating and organising web forms. The aim is to make form building more enjoyible and productive. OsisForms Written in PHP (5), with accompanying JavaScript and CSS libraries and extensive documentation.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
    Learn More
  • 5
    This application uses XML files as input to apply a XSLT transformation and export user-readable documents, such as HTML or LaTeX. Il was originally intended to create Yearbooks based on the already existing files with details about an organisation.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    PHP classes for creating Image Tags Cloud. Static and dynamic.
    Downloads: 0 This Week
    Last Update:
    See Project
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