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

  • Try Google Cloud Risk-Free With $300 in Credit Icon
    Try Google Cloud Risk-Free With $300 in Credit

    No hidden charges. No surprise bills. Cancel anytime.

    Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
    Start Free
  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
    Start Free
  • 1
    OpenBiblio is an easy to use, automated library system written in PHP containing OPAC, circulation, cataloging, and staff administration functionality. OpenBiblio library administration offers an intuitive interface with broad category tabs and sidebar
    Leader badge
    Downloads: 105 This Week
    Last Update:
    See Project
  • 2
    VuFind® is a library resource discovery portal designed and developed for libraries by libraries. The goal of VuFind® is to enable your users to search and browse through all of your library's resources by replacing the traditional OPAC.
    Downloads: 73 This Week
    Last Update:
    See Project
  • 3
    ABCD Community
    ABCD is a Free and Open Source Software designed to support knowledge communities. The software is targeting libraries of universities and research institutes as well as smaller public libraries, documentation centra, musea and archives.
    Downloads: 32 This Week
    Last Update:
    See Project
  • 4
    MGB OpenSource Guestbook
    MGB is a free OpenSource Guestbook completely written in PHP, using JavaScript and a MySQL Database. Easy to use, flexible and customizable with templates to make it fit 100% to your homepage.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 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
  • 5
    VB-ZOOM is an ActiveX COMponent, written in Visual Basic, which is an implementation of the ZOOM (Z39.50 Object-Orientation Model) Abstract API (http://zoom.z3950.org/). It is a wrapper for the YAZ Toolkit from Index Data (http://www.indexdata.dk/yaz/). Windows 32-bit only; must use a 32-bit compatibility mode under a 64-bit version of Windows.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 6
    EspaBiblio 3.3 (Giordano Bruno)

    EspaBiblio 3.3 (Giordano Bruno)

    EspaBiblio 3.3 (Giordano Bruno) basado en OpenBiblio 7.1

    Originalmente se trata de un gestor de servicios bibliotecarios basados en OpenBiblio 7.1 y que puede trabajarse por Internet o de manera local. Las modificaciones incluidas son: *Presentación de imágenes de portadas. *Presentación fotos de miembros. *Indexación con google y google analycts. *Implementación de búsquedas vía Z93.50 *Posibilidad de subidas y descargas de materiales Digitales. *y otras pequeñas modificaciones. Basado en PHP 5.3 y mysql.
    Leader badge
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    Fork of Version 0.61: The Original Version is at https://sourceforge.net/projects/obiblio. OpenBiblio is an easy to use, automated library system written in PHP containing OPAC, circulation, cataloging, and staff administration functionality.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    Atheneum is a bookstore inventory system written in Java 5.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    BibCiter is an online bibliographic manager, to privately manage your bibliography or openly publish bibliographies on the web. Multiuser (admin, edit, external). Lists in APA standards. BibTeX import/export. RSS feed. WP styles. Visit website for demo.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Add Two Lines of Code. Get Full APM. Icon
    Add Two Lines of Code. Get Full APM.

    AppSignal installs in minutes and auto-configures dashboards, alerts, and error tracking.

    Works out of the box for Rails, Django, Express, Phoenix, and more. Monitoring exceptions and performance in no time.
    Start Free
  • 10
    Biblioteca

    Biblioteca

    Library Managment Software

    This Library Management Software was created for my MCA Project Assignment.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    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:
    See Project
  • 12
    Extract book data from library web pages browsed with Microsoft Internet Explorer. Book metadata is grabbed using regular expressions and is sent to book organizer 'Bookpiles' as XML. Developed with Delphi for Windows. Embedded Firebird database used.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Document retrieval system on CUDA
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Exuberanza Scripts
    Formerly Slaytanic Scripts. This is the place where you can get addons, tweaks, modules, blocks, etc. designed to work with the great RavenNuke(tm) CMS developed by Jonathan Estrella.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    A library for XML-based OPAC/ILS access. libxess is a collection of server-side proxies that provide a Marc-XML/REST based interface to the records and holdings of catalogs such as III Millennium. libxess is implemented in PHP, making it easy to deploy.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    OPACIAL is an open source Web 2.0 Online Public Access Catalogue (OPAC). It is based on PHP-Mysql (requires Yaz and GD). The users can isnert their own social tags/opinions and have a faceted search/browse interface (also using social tags).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    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:
    See Project
  • 18
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Virtual Library for Moodle
    It is a block for Moodle that provides the functionalities (catalog, search, read, etc.) of a library in a virtual environment. -- Bloque para Moodle que provee las funcionalidades (catalogar, buscar, leer, etc.) de una biblioteca en un entorno virtual.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    ZMARCO is an Open Archive Initiative Protocol for Metadata Harvesting (OAI-PMH) 2.0 compliant data provider. The 'Z' in ZMARCO stands for Z39.50; 'MARC' stands for MAchine-Readable Cataloging; and the 'O' stands for OAI.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Gnuteca derived schema translated into English, both the tables, field names and the data, have been translated. This is only the SQL part of the Gnuteca project, very vanilla code, should run on anything. The translation is very rudimental.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Library Management Software System will be an online and mobile service to help people and public libraries to automate all activities. PhotonSoft Ltd. plan LMSS to be world's largest library network and social space with Internet/WAP communication tools
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next
MongoDB Logo MongoDB