Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project. Heritrix is designed to respect the robots.txt exclusion directives and META robots tags, and collect material at a measured, adaptive pace unlikely to disrupt normal website activity.
It provides web interface for operator control and monitoring of crawls. It stores content to ARC or ISO WARC aggregate/transcript format.
Tags | crawler webcrawler searchengine search-engine full-text-search |
Implementation | Java |
License | Apache |
Platform | OS-Independent |
Open Search Server is both a modern crawler and search engine and a suite of high-powered full text search algorithms. Built using the best open source technologies like lucene, zkoss, tomcat, poi, tagsoup. Open Search Server is a stable, high-performance piece of software.
crawler webcrawler searchengine search-engine full-text-search spiderNorconex HTTP Collector is a full-featured web crawler (or spider) that can manipulate and store collected data into a repositoriy of your choice (e.g. a search engine). It very flexible, powerful, easy to extend, and portable.
crawler webcrawler spider full-text-search searchengine search-engineNutch is open source web-search software. It builds on Lucene Java, adding web-specifics, such as a crawler, a link-graph database, parsers for HTML and other document formats, etc.
crawler webcrawler searchengine search-engine full-text-searchAn open source .NET web crawler written in C# using SQL 2005/2008. Arachnode.net is a complete and comprehensive .NET web crawler for downloading, indexing and storing Internet content including e-mail addresses, files, hyperlinks, images, and Web pages.
crawler webcrawler searchengine search-engine full-text-searchASPseek is an Internet search engine software developed by SWsoft.ASPseek consists of an indexing robot, a search daemon, and a CGI search frontend. It can index as many as a few million URLs and search for words and phrases, use wildcards, and do a Boolean search. Search results can be limited to time period given, site or Web space (set of sites) and sorted by relevance (PageRank is used) or date.
crawler webcrawler searchengine search-engine full-text-search spidermnoGoSearch for UNIX consists of a command line indexer and a search program which can be run under Apache Web Server, or any other HTTP server supporting CGI interface. mnoGoSearch for Unix is distributed in sources and can be compiled with a number of databases, depending on user's choice. It is known to work on a wide variety of the modern Unix operating systems including Linux, FreeBSD, Mac OSX, Solaris and others.
crawler webcrawler searchengine search-engine full-text-searchGrub Next Generation is distributed web crawling system (clients/servers) which helps to build and maintain index of the Web. It is client-server architecture where client crawls the web and updates the server. The peer-to-peer grubclient software crawls during computer idle time.
crawler webcrawler searchengine search-engine full-text-search spiderTantivy is a full text search engine library written in rust. It is closer to Lucene than to Elastic Search and Solr in the sense it is not an off-the-shelf search engine server, but rather a crate that can be used to build such a search engine.
search-engine searchengine full-text-search lucene libraryElasticlunr.js is a lightweight full-text search engine in Javascript for browser search and offline search. Elasticlunr.js is developed based on Lunr.js, but more flexible than lunr.js. Elasticlunr.js provides Query-Time boosting and field search. Elasticlunr.js is a bit like Solr, but much smaller and not as bright, but also provide flexible configuration and query-time boosting.
searchengine search-engine offline-search solr javascript-searchengineManticore Search is an open source high performance full-text search oriented engine. It is a fork of Sphinx Search. Manticore Search is written in C++. It means speed and low resource consumption, it means you don’t have to worry about a garbage collector that suddenly makes a trouble.
searchengine search-engine full-text-search geo-searchLunr.js is a small, full-text search library for use in the browser. It indexes JSON documents and provides a simple search interface for retrieving documents that best match text queries. A bit like Solr, but much smaller and not as bright. Lunr enables you to provide a great search experience without the need for external, server-side, search services. Lunr has no external dependencies and works in your browser or on the server with node.js.
searchengine search-engine offline-search full-text-search javascript-searchengineApache Lucene is a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform.
search-engine searchengine full-text-searchSolr is the popular, blazing fast open source enterprise search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search, dynamic clustering, database integration, and rich document (e.g., Word, PDF) handling. Solr is highly scalable, providing distributed search and index replication, and it powers the search and navigation features of many of the world's largest internet sites.
search-engine searchengine full-text-search facet distributed analyticsThe open source project strus provides a collection of C++ (C++98) libraries and command line tools for building a full-text search engine. The strus search engine can be build using any key value store database that provides an upper bound seek function for the stored key/value pairs. Currently there exists an implementation based on the LevelDB library.
searchengine search-engine full-text-search libraryQuickwit is a distributed search engine built from the ground up to offer cost-efficiency and high reliability. By mere mortals for mere mortals, Quickwit's architecture is as simple as possible. Quickwit is written in Rust and built on top of the mighty tantivy library. It designed to index big datasets straight from object storage like AWS S3 in a stateless manner.
search-engine distributed-systems searchengine full-text-searchMeiliSearch is a powerful, fast, open-source, easy to use, and deploy search engine. The search and indexation are fully customizable and handles features like typo-tolerance, filters, and synonyms. It features include Search as-you-type experience, Full text search, Supports Synonym, Highly customizable, RESTfull API and lot more.
search-engine typo-tolerance instant synonyms highlighting searchengine full-text-searchSphinix is free open-source SQL full-text search engine. How do you implement full-text search for that 10+ million row table, keep up with the load, and stay relevant? Sphinx is good at those kinds of riddles.
searchengine search-engine full-text-search standaloneMG4J (Managing Gigabytes for Java) is a free full-text search engine for large document collections written in Java. MG4J is a highly customisable, high-performance, full-fledged search engine providing state-of-the-art features (such as BM25/BM25F scoring) and new research algorithms. The main points of MG4J are Powerful indexing, Multi-index interval semantics, Virtual fields, Clustering and lot more.
searchengine search-engine full-text-search lucene-alternative searchFull text, faceted, dependency free search engine in javascript. Created to perform fast search on small json dataset (up to 1000 elements).
searchengine search-engine searchThe Lemur Project develops search engines, browser toolbars, text analysis tools, and data resources that support research and development of information retrieval and text mining software. The project is best known for its Indri search engine, Lemur Toolbar, and ClueWeb09 dataset.
searchengine search-engine full-text-search lucene-alternative search information-retrieval
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