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

  • Application Monitoring That Won't Slow Your App Down Icon
    Application Monitoring That Won't Slow Your App Down

    AppSignal's Rust-based agent is lightweight and stable. Already running in thousands of production apps.

    Full APM with errors, performance, logs, and uptime monitoring. 99.999% uptime SLA on the platform itself.
    Start Free
  • $300 in Free Credit Towards Top Cloud Services Icon
    $300 in Free Credit Towards Top Cloud Services

    Build VMs, containers, AI, databases, storage—all in one place.

    Start your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale.
    Get Started
  • 1
    Bibwiki is a Specialpage for MediaWiki to manage BibTeX bibliographies. With Bibwiki it's easy to import records from various sources, manage digital documents, export lists of references via BibTeX and create lists of references in wiki articles.
    Downloads: 0 This Week
    Last Update:
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  • 2
    MedioVis is concerned with the user-centred development of next generation visual information seeking systems for novice and nonexpert users. Various Browsing-oriented data exploration strategies are supported (overview & detail, filtering, zooming etc.)
    Downloads: 0 This Week
    Last Update:
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  • 3
    THIS PAGE IS FOR INFORMATION PURPOSES ONLY. IT IS MANY YEARS OUT OF DATE. Please visit: www.userful.com/products to see latest offerings and to download trial versions. OLD INFO: OpenUserful is an umbrella project of all of Userful's open source public computing software. Currently it hosts Prebook, our PC booking and reservation software (support no longer available) and the patches to various GNOME technologies for our multi-seat X work.
    Downloads: 0 This Week
    Last Update:
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  • 4
    Semtinel is an application framework for the semi-automatic creation, maintenance and analysis of hierarchical concept schemes (thesaurus, classification or ontology). Semtinel supports the development of new analysis methods and visualization techniques
    Downloads: 0 This Week
    Last Update:
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  • 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
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