7 Best Enterprise Search Engines for Navigating the Data Maze

Marcel Deer - Writer for Unleash
By Marcel Deer
Kelly Hendrickse - Editor for Unleash
Edited by Kelly Hendrickse

Updated August 21, 2023.

A drawing of a maze and a path through it, symbolizing search engines navigating data mazes

An organization that cannot efficiently handle its data will not be able to reach its peak potential. Office workers can spend as much as 19% of their total work week just looking for the information needed to do their jobs, according to a McKinsey report. Enterprise search engines are the solution for this productivity bottleneck.

An organization’s body of knowledge comprises data in different formats and media. Tables, reports, emails, spreadsheets, videos, and images—the list goes on. It can be exhausting to navigate all of this manually. Luckily, enterprise search software makes indexing, searching, and displaying specific content to authorized users in the organization possible. The advantages of using enterprise search solutions include improved productivity, greater efficiency, and employee satisfaction.

✶ Find out how enterprise search improves internal communication

A Quick Look at the Best Enterprise Search Engines for Navigating the Data Maze

Don’t let mountains of data overwhelm your business. There are enterprise search tools that make knowledge management and navigating the data maze a convenient exercise. Let’s look at the most popular and useful ones.

  • Best Overall Enterprise Search Engine: Unleash
  • Best for Lightning-Fast Search: Algolia
  • Best for Open-Source Scalability: Apache Solr
  • Best for Distributed Search and Analytics: Elastic
  • Best for AI-Led Relevance: Coveo
  • Best for Digital Knowledge Management: Yext
  • Best for Integrations With Minimal Development: Addsearch

1. Unleash: Best Overall Enterprise Search Engine

What is Unleash?

Unleash is a cloud-based enterprise search platform that allows you to search across all of your organization’s apps and knowledge library and find all the information in one place.

How Does Unleash work?

Unleash works by connecting to your company’s entire knowledge database. Its enhanced information findability means all your searches will have quick results and data silos are broken down. With the power of AI and semantic search, the Unleash search engine is smart enough to consider synonyms and related concepts to deliver relevant information.

It also works on various platforms:

  • Embedded in the company portal
  • Through a fully kitted web and desktop app
  • As a browser extension
  • Via a Slackbot


  • Can perform a semantic search for related keywords and synonyms
  • Seamlessly integrates with the company portals
  • Saves workers’ time and energy


  • Requires a subscription


Is Unleash Free?

No, a monthly subscription fee is required.

Is Unleash Expensive?

There are a variety of pricing plans, from $5 per user for freelancers to customized packages for large organizations.

Is Unleash Open-Source?

No, Unleash is a licensed SaaS.

Unleash AI Search App

4.8/5(281 reviews)

Algolia is software that allows anybody to create intuitive and dynamic digital search and discovery experiences. So why Algolia? Its flexibility means it can be used for both customer- and employee-facing websites or applications.

How Algolia Search Works

To use Algolia search, you don’t need to be a tech wizard. This cloud-based software has free and paid versions, and both are easy to set up. You may be wondering if Algolia is open-source, and it's not, but it is available under a commercial SaaS license. The chief selling point is adaptive learning with AI, called NeuralSearch. This, along with the natural language understanding functionality, means Algolia is used to deliver search results even without keywords being used.


  • Yields speedy search results
  • Uses AI for adaptive learning
  • Can understand search queries even without keywords


  • Requires a level of technical proficiency


Is Algolia Free?

Yes, Algolia offers a free plan called Build.

Is Algolia Expensive?

Algolia offers a dynamic, usage-based pricing solution called Grow at $0.50 per 1,000 searches. More advanced plans, called Premium and Elevate, have custom pricing available on request.

Who Uses Algolia?

Industries that commonly use Algolia are B2B and B2C e-commerce, markets, and media organizations.

3. Apache Solr: Best for Open-Source Scalability

What is Apache Solr?

Apache Solr is an open-source enterprise search platform built on Apache Lucene. So why Apache Solr? It's optimized for high-volume traffic and is highly scalable and fault-tolerant. You can also use Apache Solr to navigate full-text searches on your platform, as well as additional functions like:

  • Distributed indexing
  • Replication and load-balanced querying
  • Automated failover and recovery
  • Centralized configuration

How Apache Solr Works

It’s fairly easy to get started once you know how to install Apache Solr, which Apache Solr has an extensive guide on how to do it. It’s free to download, open source, and has a wealth of learning material. Because of its distributed indexing and filtering, it's more straightforward to identify and isolate the users and content you are searching for. Apache Solr can scan text files within its indexes in the following formats:

  • JSON
  • XML
  • CSV
  • Binary over HTTP

Results are received via JSON, XML, CSV, or binary results.


  • Community-supported and free
  • Easy to isolate users and content with search indices
  • Offers tutorials for new users


  • Scaling up the enterprise search solution is complicated
  • Specialized for text search, not multimedia search


Is Apache Solr Free?

Yes, Apache Solr is free to download from their official website.

Is Apache Solr Open-Source?

Yes, Apache Solr is open-source under the Apache license, and you can make changes to its code.

What is Apache Solr Used for and Who Uses Apache Solr?

Apache Solr is used for full-text search across a real-time index. Many major international companies, like Apple, Fiverr, Slack, and Walmart use Apache Solr as an enterprise search tool in their tech stacks.

4. Elasticsearch: Best for Distributed Search and Analytics

What is Elasticsearch?

Built with Java, Elasticsearch is a NoSQL database that allows stored data to be read from your disk when needed and the heap is basically used as working memory and should account for about 50% of available RAM. The popular tech stack for knowledge management is named ELK (Elastic, Logstash, Kibana) because of how pivotal Elasticsearch's software is. The Elasticsearch Relevance Engine (ESRE) uses both artificial intelligence (AI) and machine learning (ML) to deliver fast and reliable search results.

How Does Elasticsearch Work?

Elasticsearch's all-inclusive design is meant to be used for easier, more efficient searches. So, why use Elasticsearch? It enables ambitious game developers to build any kind of search application or data management program they can imagine. You can install it using their hosted site, with their various install packages, or using their Java version. The most simple would be to get an Elastic Cloud account, choose your tools, and build the optimal search experience for users. However, Elastic struggles to perform as efficiently when searching through huge datasets.


  • Compatible on every platform
  • Easy to create backups
  • Flexibility of data sources


  • Limited in terms of customization and security features
  • Can be challenging to learn


Is Elasticsearch Open-Source?

While originally open-source, it has shifted to a commercial license.

How Much Does Elasticsearch Cost?

Elastic offers new users a 30-day free trial. Elastic offers several pricing plans, from the Standard at $95 per month to Enterprise at $175 per month.

How Can You Get All Documents From the Elasticsearch Index?

Most methods use variations of a "GET" API in the Unix terminal, Windows command prompt, or Kibana Console UI.

5. Coveo: Best for AI-Led Relevance

Coveo is a cloud-based, intelligent enterprise search platform. It uses AI recommendation and personalization to increase the relevance of every user’s experience.

How Does Coveo Search Work?

Coveo is a secure and scalable enterprise search solution. If you're wondering if Coveo is any good, it's worth noting that it uses connectors and APIs to find results regardless of format, making it a versatile solution. The easy indexing and unified search experience mean content can be accessed no matter where it is located. Coveo’s enterprise search platform’s pricing is based on a subscription model with flexible payment plans. Cross-platform compatibility lets Coveo integrate seamlessly with your company’s tech stack and simplify searching for content.


  • Yields results regardless of the content’s location or format
  • Connects data sources through APIs and connectors
  • Gives AI-enhanced search results based on context


  • Requires a subscription
  • Displays unsorted results with no option to sort them


What is Coveo Indexing?

Coveo allows users to securely index any kind of content. Choose from over 55 pre-built connectors, or use Coveo’s in-house Push API and code sample to build your indices.

Is Coveo Open-Source?

Yes, since 2016, Coveo's search UI has been open-source.

What is Coveo's Enterprise Search Pricing?

Coveo has two pricing plans, Enterprise and Pro, with prices available upon request.

6. Yext: Best for Digital Knowledge Management

What is Yext?

Yext lets users create end-to-end digital experiences that result in smoother, faster enterprise search results.

How Does Yext Work?

Yext has many features that allow it to analyze data, organize your content, and deliver direct answers to any search queries from customers or employees, depending on your use case. This AI-powered enterprise search engine uses natural language understanding and semantic search to deliver results on your website, app, or any other platform.

You can also push your structured data from Yext to third-party search engines. If you’re wondering if Yext is worth it, you can try a free trial to test if it fulfills your needs.


  • Employs neural network to respond to keyword-based queries
  • Offers free trial
  • Can build your own search network


  • Expensive enterprise search solution
  • Limited data analytics functionality


What Does Yext Do and What is it Used For?

Yext offers enterprise search solutions for marketing, e-commerce, and software developers to streamline their data navigation.

How Much Does Yext Cost?

Yext prices differ based on package size, business type, entity count, and feature usage. Prices range between $4 and $19 per week.

7. Addsearch: Best for Integrations With Minimal Development

AddSearch is a dedicated enterprise search platform for companies that run a website. This smart site search solution is designed to deliver stunningly fast results on any website or application.

How Does AddSearch Work?

AddSearch’s site search feature uses a self-learning algorithm to learn site-visitor patterns and adjust search results accordingly. The look and feel of its multi-domain enterprise search engine can be customized according to your site’s aesthetic. Your site search results will always be current, thanks to a web crawler. This software is especially useful for those running e-commerce sites.


  • Highlights popular results from past searches
  • Multi-domain search platform


  • The web crawler causes difficulties in indexing content by making too many requests in a short period


Does AddSearch Have a Web Crawler?

Yes, and it updates in real time.

What is AddSearch's Price?

AddSearch has four plans. Their prices per month are Essentials at $29, Professional at $99, Premium at $499, and Custom pricing for Enterprise.

✶ Want to know more? Learn the key features you need in an enterprise search tool

Take Control of Your Data Maze with Enterprise Search Tools

Empowering employees with a powerful enterprise search engine is a surefire way to boost productivity. Information is made easier to access, making decisions and forming strategies more straightforward. Say goodbye to time-consuming data navigation by adopting a tool like Unleash. An enterprise search engine doesn’t just deliver query results; it also delivers satisfaction and efficiency.

Unleash AI Federated Search

4.8/5(281 reviews)