dtSearch Engine Linux or macOS

dtSearch Engine for Linux or macOS

Royalty-free and royalty based licensing for applications from a single-server to high volume distribution in your own products.

Proven Technology

  • dtSearch Corp has been producing search and retrieval software since 1991
  • 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

Maximum Programmer Flexibility

  • Developer library for C++, Java and/or .NET Standard/.NET Core API; this component has no GUI
  • Advanced multi-threaded operation – see Intel Partner Success Story
  • Extensive sample source code:  function-call interface for C++ and Visual C++, JNI for Java
  • Sample code

Unparalleled Intelligent Searching

Provides API access to over twenty five precision search options:

  • Search options include synonym/concept/thesaurus, fuzziness adjustable from 0 to 10, Boolean, phrase, wildcard, proximity, stemming, numeric range, regular expressions, natural language relevancy-ranked by hit density and rarity, and variable term weighting
  • Search options can be used alone or in almost any combination (regardless of complexity)
  • Uses proprietary indexing and searching algorithms engineered for scalability
  • Indexed search time is generally less than a second
  • Indexing is optimised to maintain consistent speed over even the largest document collections. Over 1Tbyte of data per index
  • Includes unindexed search options for filtering purposes

Instant Support for Multiple File Types

  • Built-in support for PDF, HTML, XML, word processor, database, spreadsheet, e-mail, ZIP, and more
  • Unicode to support all written languages
  • Highlights hits and provides multiple hit and document navigation options in all supported file types
  • For HTML and PDF files, hits are highlighted on the original document, all embedded links, images, and formatting appear exactly as in the original document
  • For other file types, built-in HTML converters generate HTML for hit highlighted display in a Web browser

Extensive Field and Database Support

  • Automatically supports fields, document properties, and summary information (along with full-text searching) in HTML, PDF, MS Word, Access, Excel, PowerPoint, etc.
  • Complete hierarchical field structures in XML for searching limited to specific combinations of fields and sub-fields, as well as full-text
  • Sample ADO database indexing code provides indexing and searching of SQL and other data sources
  • Hit highlighting, as well as multiple hit and file navigation options, in all of the 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

30-day trial. Contact us for a download link and password

Developer discounts available for multiple platform applications & multiple applications.

D773 – dtSearch Engine – Linux
3 server license

D783 – dtSearch Engine for macOS
3 server license


Includes one year of updates & support – immediate download for card payment – multi-currency checkout

dtSearch Engine for Linux upgrade 3 server license.  


dtSearch Engine for macOS upgrade 3 server license.

Useful Links

dtSearch Engine Programmer’s Manual

Developer Price List (PDF)

Release Notes

Release Notes (Beta)