
ElasticSearch
Algolia
Meilisearch
Typesense
Apache Solr
Manticore search
Sphinx (search engine)
OpenSearch is a community-driven, open source search and analytics suite derived from Apache 2.0 licensed Elasticsearch 7.10.2 & Kibana 7.10.2. It consists of a search engine daemon, and a visualization and user interface, OpenSearch Dashboards.

LeetCode
Codility
CodeSignal
iMocha
Codewars
HackerEarth
TestGorilla
HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

Which is more popular?
Based on our record, HackerRank should be more popular than OpenSearch. It has been mentioned 67 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | opensearch.org | hackerrank.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
OpenSearch is recommended for businesses and developers who require robust search and analytics capabilities. It is particularly suitable for those interested in open-source solutions, organizations with substantial data analysis needs, or companies that may benefit from its integration capabilities. It is also ideal for developers looking for a platform that supports extensive customizations and complex data structures.
Overall verdict
Why this product is good
Recommended for
HackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
Walkthroughs and reviews on video.
OpenSearch - What the Fork is it?
Is HackerRank A Good Idea?
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using OpenSearch and HackerRank. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
HackerRank’s challenges cover a wide range of topics and difficulty levels, allowing developers to enhance their problem-solving skills and learn new algorithms and data structures. The competitive nature of...
HackerRank offers a wide array of challenges across various domains such as algorithms, mathematics, SQL, and functional programming. Its interface is user-friendly, and the platform provides detailed feedback on...
Recommendations tracked on public social media and blogs since March 2021.


In this post, we compare two forecasting models, Chronos (Chronos‑Bolt) and Toto, on telemetry from Prometheus and OpenSearch. We judge them with two easy metrics: MASE for point accuracy and CRPS for the quality of uncertainty. - Source: dev.to / 5 months ago
Excerpt of the original code; This is a code recipe that uses OpenSearch, an open-source search and analytics tool, and the LlamaIndex framework to perform RAG over documents parsed by Docling. In this notebook, we accomplish the... - Source: dev.to / about 1 year ago
In fact, even in the absence of these commercial databases, users can effortlessly install PostgreSQL and leverage its built-in pgvector functionality for vector search. PostgreSQL stands as the benchmark in the realm of open-source... - Source: dev.to / over 1 year ago
This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other people’s solutions. - Source: dev.to / about 1 year ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice... Source: almost 3 years ago
When comparing OpenSearch and HackerRank, you can also consider the following products.

Elasticsearch is an open source, distributed, RESTful search engine.
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Practice and level up your development skills and prepare for technical interviews.
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Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.
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Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
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Ultra relevant, instant, and typo-tolerant full-text search API
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CodeSignal is the leading assessment platform for technical hiring.
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