Heritrix is described as 'Open-source, extensible crawler for large-scale web archiving, preserves digital artifacts, offers plugin support, distributed crawling, and standardized export formats' and is an app. There are more than 10 alternatives to Heritrix for a variety of platforms, including Web-based, Mac, Windows, Linux and Self-Hosted apps. The best Heritrix alternative is Algolia. It's not free, so if you're looking for a free alternative, you could try Algolia or Manticore search. Other great apps like Heritrix are Uruky Site Search, Mixnode, StormCrawler and wordpress i-search pro.
Algolia helps product teams connect their users with information by providing the building blocks they need to create fast, relevant, personalized search.
Open source search server designed to be fast, scalable and with powerful and accurate full-text search capabilities derived from Sphinx search project.
Searchspring provides solutions for online retailers such as site search, personalization, merchandising, and insights. It's compatible with ecommerce platforms like Shopify, Magento, BigCommerce, and Miva.
Mixnode is a fast, flexible, massively scalable platform to extract and analyze data from the web.
StormCrawler is an open source SDK for building distributed web crawlers with Apache Storm. The project is under Apache license v2 and consists of a collection of reusable resources and components, written mostly in Java.
i-Search Pro changes the way of WordPress Search. It’s full WooCommerce compatible. Provide Live search results in milliseconds. Include almost everything in your search results.
Free site search engine. Add a site search engine to your website today, for free, in less than ten minutes. Choose from Free and Pro site search engines.
Apache Nutch is a highly extensible and scalable open source web crawler software project.
With Google Custom Search, add a search box to your homepage to help people find what they need on your website.
Expertrec custom search started as a replacement for google site search. It adds super-fast search autocomplete, spell correct, search listing pages to your website.
Search over millions of documents, and give to your users unique, amazing and unforgettable experiences.
United States
Portugal
EU
United Kingdom
India
Spain
Heritrix is for crawling primarily. Not search.