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Open Source Library Discovery Apache Solr

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VuFind® is a discovery system designed and developed for libraries, by libraries — enabling users to search and browse all resources through a single, consistent, and user-friendly interface.

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30+
Languages Supported
100%
Open Source
500+
Institutions Worldwide
v11.0
Latest Release
Apache
Powered by Solr
What is VuFind®

A Discovery System Built
For Libraries

VuFind® is completely modular and flexible — from a basic library catalog search to a sophisticated dashboard of data from many sources.

VuFind® enables your users to search and browse through all of your resources in a single consistent interface. It supports building a local index and integrating with a variety of existing third-party services.

Since it's 100% open source, you can modify or add modules to best fit your needs. A wide range of configurable options allow extensive customization without changing any code.

Content you can make discoverable includes:

  • Catalog records
  • Institutional repository
  • Open access articles
  • Digitized materials
  • Licensed content
  • Websites & other collections
  • Interlibrary loan items
  • Custom metadata sets
Core Architecture
🔍
Apache Solr
High-performance search & indexing engine
⚙️
PHP / Laminas
Modular MVC application framework
📦
SolrMarc
MARC record indexing & transformation
🎨
Bootstrap Themes
Responsive, customizable UI layer
🔌
ILS Drivers
Koha, Alma, Symphony, Polaris & more
Key Features

Everything Your Library Needs

From real-time catalog status to multilingual support — VuFind® ships with a comprehensive feature set out of the box.

🔎
Faceted Search
Users search from a simple box then narrow results by clicking facet values — subject, format, date, location, language, and more.
Real-Time Record Status
Live querying of your ILS shows up-to-date item availability and location directly in search results — fast search, accurate availability.
💡
"More Like This" Suggestions
When viewing any record, users are automatically offered suggestions for similar resources to aid discovery and exploration.
Favourites & Lists
Users can save resources to customisable private or public lists, shareable with others via persistent URL.
🌍
30+ Languages
Full internationalization with translations in Arabic, Chinese, French, German, Spanish, Japanese and many more — easily extended.
🔌
APIs & OAI-PMH
Built-in REST APIs, OAI-PMH server, and direct Solr access let you syndicate data, build integrations, and connect to external systems.
🔖
Persistent URLs
Search result and record page URLs never change, making it easy for users to bookmark, share, and cite library resources reliably.
📚
Browse & Channel Discovery
Alphabetical heading browse, facet-driven category browse, and configurable channels let users explore collections serendipitously.
🎨
Content Providers
Integrate third-party services for cover images, reviews, author biographies, and other enrichment content to enhance record displays.
Community Guides

Get Started with VuFind®

Step-by-step beginner-friendly guides covering installation and catalogue import — everything you need to get VuFind® running.

🌐 100% Open Source — Fork on GitHub
🏛️ Maintained by an international community
🤝 Supported by the Open Library Foundation
🎓 Developed by Villanova University