dtSearch Engine – Windows

dtSearch Engine – Windows 32 & 64 bit

Royalty-free & royalty based licensing to suit applications from a single-server to high volume distribution in your own products

Proven Technology

  • Hundreds of commercial applications incorporate the dtSearch Engine. See Case Studies page
  • dtSearch Desktop, dtSearch Network, dtSearch Publish, and dtSearch Web all use the same dtSearch Engine technology that is licensed to developers
  • dtSearch Corp has been producing search and retrieval software since 1991

Maximum Programmer Flexibility

  • Advanced multi-threaded operation – see Intel Partner Success Story
  • Extensive sample source code:
    .NET Standard
    ASP.NET 1.1 – 4.0
    function-call interface for C++ and Visual C++
    JNI for Java
    ADO.NET for database applications
    COM interface for Visual Basic, ASP and Delphi
  • Sample code in all supported languages – including sample Microsoft Azure application

Unparalleled Intelligent Searching

API for over twenty five precision search options:

  • Boolean, phrase, wildcards, proximity, stemming, numeric range, regular expressions, natural language relevancy-ranked by hit density and rarity, and variable term weighting, synonym/concept/thesaurus, adjustable fuzziness
  • Search options can be used alone or in almost any combination regardless of complexity
  • Proprietary indexing & search algorithms engineered for scalability
  • Indexed search time is generally less than a second
  • Optimized indexing maintains consistent speed over very large document collections – over 1Tbyte of data per index
  • Unindexed search option for filtering purposes

Instant Support for Multiple File Types

  • Built-in support for PDF, PDF 2.0, HTML, XML, word processor, database, spreadsheet, e-mail, ZIP, and more
  • Unicode to support all written languages
  • Multi-colour highlighted hits with multiple hit and document navigation options in all supported file types
  • Search hits in HTML & PDF are highlighted on the original document – embedded links, images & formatting appear exactly as in original
  • Other file types are converted to HTML for hit-highlighted display in a Web browser
  • Spider .NET API to index local or remote static or dynamic Web sites, SharePoint & other Web based CMS
  • Index sites to any level – support for public and private or secure online content, including log-ins & forms-based authentication. Automatic spidering of sitemap.xml files

Extensive Field & Database Support

  • Automatically supports fields, document properties & summary information – along with full-text search – in HTML, PDF, MS Word, Access, Excel, PowerPoint… see full list
  • Complete hierarchical field structures in XML for searching specific combinations of fields & sub-fields as well as full-text
  • Sample ADO database indexing code provides indexing & searching of SQL & other data sources
  • Hit highlighting, as well as multiple hit & file navigation options in all above

IMPORTANT:  Following a license agreement between dtSearch UK and dtSearch Corp in April 2022, dtSearch Engine from version 2022.02 will include all the stemming language/noise word files previously distributed as the Language Extension Pack at no extra charge. See dtSearch Engine Beta Release Notes

See also: dtSearch Engine – Linux and macOS versions…

Download 30-Day Trial (Win)
Please contact us for a password and advice on licensing or beta testing.

dtSearch UK offer discounts on multiple platform (Win, Linux, macOS) licenses.

D763 – dtSearch Engine (Win)
3-server license

D76 – dtSearch Engine (Win)
Additional servers 4+

D763 – Renew existing 3-server license for further year.

$1,175 ($875 before March 1)

Multicurrency checkout.
Includes upgrade to latest version and technical support.

Renew/Upgrade existing single-server dtSearch Web license to 3-servers for $2,005 ($1,500 before March 1).

Multicurrency checkout.
Includes upgrade to latest version and technical support for one year.

dtSearch Engine Programmer’s Manual

Developer Price List (PDF)

Release Notes

Release Notes (Beta)

Tutorial Links

iProgrammer – dtSearch & C# series:

Getting Started… 


Hit Highlighting…

Database Indexing…

Document Caching…

Code Project dtSearch series:

Faceted Search…

Telerik UI ASP.NET…

Azure SQL…

Indexing SharePoint sites using DataSource API

dtSearch on AWS with EC2…

Full-Text Search with dtSearch and AWS Aurora