5 Open-Source Search Engines For your Website

A search engine is a software program that helps people find the information they are looking for online using search queries containing keywords or phrases.

Search engines are able to return results quickly even with millions of records by indexing every data record they find. In this blog post, I will list 5 popular open-source search engines which can be used to build search functionality in your website.

Apache Lucene

Apache Solr

Elasticsearch

MeiliSearch

Typesense

Apache Lucene

Below are some of the key features of Apache Lucene.

Data Indexing

Spellchecking

Keyword Highlighting

Advanced analysis/tokenization capabilities.

Apache Solr

Below are some of the key features of Solr.

*Advanced Full-Text Search Capabilities *: Solr enables powerful matching capabilities including phrases, wildcards, joins, grouping, and much more across any data type.

Optimized for High Volume Traffic: Solr is proven at extremely large scales the world over

Comprehensive Administration Interfaces: Solr provides a responsive administrative user interface to make it easy to control your Solr instances.

Easy Monitoring: Solr publishes loads of metric data via JMX which helps to get more insights about your Solr instances.

Elasticsearch

Elasticsearch provides key features like Advanced Full-Text Search Capabilities like Data indexing, Search capabilities including phrases, wildcards, auto suggestions, filters & facets, etc... Elasticsearch can also be used for other use-cases like

Logs - Storing logs via ELK (Elasticsearch, Logstash, Kibana)

Metrics - Monitor and Visualise your system metrics

APM - Get insights into your application performance

App Search - Search across your documents, geodata, and more.

MeiliSearch

Below are the few key features of MeiliSearch.

*Synonyms *: Ability to create synonyms for a better search experience.

Highlight: With highlight, users understand their search results and act upon them.

Custom Relevancy: It gives you the possibility to add new sorting rules. You can order results by date, likes, whatever suits your dataset.

Filters: Improve your search query by adding custom filters.

Faceting: Empower users to drill down on search results and find what they need faster.

Typesense

Below are few key features of Typesense

Typo Tolerance: Handles typographical errors elegantly, out-of-the-box.

Simple and Delightful: Simple to set up, integrate with, operate, and scale. -⚡** Blazing Fast**: Built-in C++. Meticulously architected from the ground-up for low-latency (<50ms) instant searches.

Tunable Ranking: Easy to tailor your search results to perfection. Sorting: Sort results based on a particular field at query time (helpful for features like "Sort by Price").

Faceting & Filtering: Drill down and refine results.

Grouping & Distinct: Group similar results together to show more variety.

Federated Search: Search across multiple collections (indices) in a single HTTP request.

Synonyms: Define words as equivalents of each other, so searching for a word will also return results for the synonyms defined.

Geo search - Search and sort by results around a geographic location

Other Popular Enterprise Search Engines

Below are a few other popular Enterprise Search Engines that are not free

Algolia

Swiftype

Klevu

Thank you for reading

Hope you find these resources useful. If you like what you read and want to see more about system design, microservices, and other technology-related stuff... You can follow me on

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