DataparkSearch Engine is a robust and flexible web search engine that can be customized to search a single website or an intranet. It's an open source software that can be modified under the GNU General Public License.

Comprising of two parts, the first part of DataparkSearch's mechanism is the indexing mechanism, which walks over HTML hypertext references, stores found words and references into the database. The second part is the web CGI front-end that provides search on data collected by the indexer.
The software comes with several key features that make it stand out among other search engines. These include support for different URL schemes, such as http, https, ftp, nntp, and news. It also supports htdb virtual URL scheme for indexing SQL databases, built-in support for various mime types, including text/html, text/xml, text/plain, audio/mpeg (MP3), and image/gif, and external parsers for other document types.
DataparkSearch enables indexing of multilingual sites by supporting content negotiation and searching all word forms using ispell affixes and dictionaries. Additionally, the software comes with fuzzy searching based on acronyms and abbreviations, a stopword and synonyms list, and Boolean query language support.
DataparkSearch has an impressive sorting system that sorts results by relevance, popularity rank, last modified time, and importance (a multiplication of relevance and popularity rank). The software supports various character sets, accent-insensitive search, and phrase segmenting for Chinese, Japanese, Korean, and Thai languages.
DataparkSearch also comes with mod_dpsearch, a search module for Apache web servers, and supports Internationalized Domain Names. The software uses the Summary Extraction Algorithm, ensuring that you get the most accurate results to your search queries.
Overall, DataparkSearch is an exceptional open-source search engine that can effectively index and search across different websites, intranet, and local systems with ease thanks to its exceptional features.
Version 4.53: N/A