Xapian
Xapian: Open Source Search Engine Library
Xapian is an open source search engine library that allows developers to add advanced searching capabilities to their applications. It supports features like full text and boolean search, spelling correction, query expansion, relevance ranking, and more.
What is Xapian?
Xapian is an open source search engine library that allows developers to add advanced searching capabilities to their applications. It is written in C++ and has bindings for many programming languages like Python, PHP, Java, C#, and Ruby.
Some key features of Xapian include:
- Full text search - Xapian indexes all terms in documents added to it and allows fast full text search across huge datasets.
- Boolean search - Supports combining terms with AND, OR, NOT operators.
- Spelling correction - Auto correct typos and suggest alternative spellings.
- Query expansion - Automatically expand/rewrite queries to match more documents.
- Relevance ranking - Rank results by relevance using term frequencies, document length etc.
- Supports traditional databases like PostgreSQL and NoSQL databases like MongoDB as its backend.
- Sharding and replication - Horizontally scale across servers.
Xapian is very flexible and versatile. It can be used to build search capabilities in a variety of applications like websites, intranets, document management systems, mail search utilities etc. Its speed and scalability make it suitable even for large scale deployments.
Xapian Features
Features
- Full text search
- Boolean search
- Spelling correction
- Query expansion
- Relevance ranking
- Indexing of documents
- Support for multiple languages
Pricing
- Open Source
Pros
Cons
Official Links
Reviews & Ratings
Login to Review5 reviews
Rating Breakdown
Recent Reviews
Skyler Hall
Apr 05, 2026A Powerful and Flexible Search Engine Library
Integrating Xapian into our application was straightforward with its well-documented C++ API, though the initial setup had a slight learning curve. Once configured, its indexing and querying performance has been outstanding, easily handling millions of documents. The boolean operators, ranking, …
Phoenix Harris
Mar 31, 2026A Robust Foundation for Search, With a Learning Curve
As a developer needing to add a powerful, customizable search to our application, Xapian has been a game-changer. The library is incredibly robust, offering advanced features like relevance ranking and complex Boolean queries out of the box. While the initial …
David Walker
Mar 07, 2026Powerful but complex search library
Xapian is incredibly powerful and flexible for building custom search features, with its relevance ranking and query expansion working well. However, the learning curve is steep, documentation can be scattered, and integrating it feels like building the search engine yourself …
Riley Moore
Mar 07, 2026Powerful and Flexible Search Toolkit for Developers
Xapian has been a game-changer for adding professional search functionality to our internal document management system. The boolean search and relevance ranking work incredibly well, and the query expansion feature helps users find what they need even with imperfect terms. …
Lisa Miller
Mar 07, 2026A Powerful and Flexible Search Engine Library
As a developer building a content-heavy application, I needed a robust search solution, and Xapian has been a game-changer. Its comprehensive features, like full-text search and relevance ranking, are easy to integrate, and the performance is consistently reliable even with …
Rating Distribution
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