Apache Solr is a great features, open source, popular and performance search engine server for Websites. It has been trusted by a plenty of bigs websites (see public sites using Solr https://cwiki.apache.org/confluence/display/SOLR/PublicServers)
A brief of Apache Solr versions history:
- First version is 1.3 (2008), v1.4 (2009).
- Solr 3.x (2011)
- Solr 4.x (2012)
- Solr 5.x (2015)
- Solr 6.x (2016)
- Solr 7.x (2017)
- Solr 8.x (2019) and current lastest version is Solr 8.4.1
SolrCloud is a flexible distributed search and indexing search engine which provides a scalable, high availability 99.99% uptime search database (index). See more detail about Solr Cloud in official Apache website https://lucene.apache.org/solr/guide/8_4/solrcloud.html
LIVE DEMO: http://magento2.solrbridge.com/
Features
#1 - Suggestion in Categories like Amazon

#2 - Quick products paging directly on Search popup

#3 - Spell checking/Did you mean

#4 - Boost search results by product attributes
#5 - Boost search results by product search weight
#6 - Categories filter rendering as Hierachy

#7 - Multiple values selection filter

#8 - Dropdown filter rendering

#9 - Ajax filtering
#10 - Install and configuration made easy

30 DAYS MONEY BACK GUARANTEE.
Please read the terms and conditions, and check the demo page carefully before you make purcharse. We assume that you agree with our terms and conditions before making a purchase.
The module will be manually delivered to the email you make payment. Or you can contact [email protected] for order confirmation.
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FRIDAY, APRIL 24 2020 (version 2.3.5)
1 - Impove spell checking and did you mean feature
2 - Add new language config set for French
3 - Change to composer install instead of app/code as previous version
Please see demo here https:/magento2.solrbridge.com/catalogsearch/result/?q=apple+aiphone
For installation guide: https://solrbridge.com/magento2-solr-installation-guide.html