Alternatives to Sphinx
Compare Sphinx alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Sphinx in 2026. Compare features, ratings, user reviews, pricing, and more from Sphinx competitors and alternatives in order to make an informed decision for your business.
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AddSearch
AddSearch
AddSearch goes beyond traditional site search with AI Answers and AI Conversations, enabling businesses to deliver direct, conversational, and context-aware responses. Combined with lightning-fast search and smart recommendations, AddSearch helps organizations create personalized, engaging digital experiences across websites and applications. Trusted by nearly 2,000 global customers in Media, Telecommunications, Government, Education, and more. AddSearch offers enterprise-grade features including advanced GenAI capabilities, personalization, advanced analytics, and SLA up to 99.999%. It works with any CMS, supports crawler or API-based indexing, and provides full setup services to save developer time. Built to deliver powerful search with AI Answers and Conversations that elevate digital experiences for website visitors—without adding complexity. -
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Algolia
Algolia
Algolia is a search and discovery API platform for building powerful and composable experiences while solving for relevance with AI and configurable rules. Algolia Search enables our customers to design and implement unique search experiences using the design language of their choice. Algolia Recommend is a robust API that allows you to add “frequently bought together” and “related items” into any digital experience with as little as 6 lines of code.Starting Price: $0 -
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SearchStax
SearchStax
SearchStax offers end-to-end search solutions for better search with site search on the frontend and hosted Solr infrastructure on the backend. We have over 700 customers in 20+ countries. Site Search for Websites Made Easy SearchStax Site Search delivers advanced, modern and personalized site search for your website or custom application: • Best-In-Class search experience • Actionable search insights for managers and executives • Self-service tools for the marketing team that don’t need developers to update and optimize the search experience • Quick Implementation for developers Fully-Managed Solr Service in the Cloud SearchStax Managed Search is a fully-managed, hosted Solr service that automates, manages and scales high-availability Solr infrastructure in public or private clouds: • Build faster and spend more time on value-added tasks • Scale faster through automation • Reduce costs through lower incidents and SLAStarting Price: $37/month -
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Expertrec
Expertrec
Expertrec lets you add a custom AI search engine to your website/online store without any coding. It has a powerful control panel that lets you customise the look and feel of your search engine to match the theme of your website. It is able to injest your site/product data and answer questions. powerful merchandising options allows you to control ranking order. Prompt tweaks to infuse and guide the AI. Features: - Agentic AI search - Autocomplete - Spell correction - Voice search - Search as you type - Faceted search - PDF, XLS, DOCs search - Indexing behind login pages - Integrates across all major CMS platforms. WordPress / Joomla / Drupal/ Woocommerce/Shopify and more. - Multiple languages supported - Low latency high speed search Rated the best solution in our Category, with the highest customer ratings and success rates. Most cost-effective solution for your search needs.Starting Price: $49.00/month -
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Luigi's Box
Luigi's Box
Luigi's Box is a search and discovery solution designed specifically for e-commerce websites to improve the customer experience and achieve desired revenue. Search Recommender Product Listing Shopping Assistant Analytics Through years of operation, Luigi's Box earned several awards. Our advanced features helped companies such as Under Armour, Nespresso and Notino to successfully increase search usage and conversions. Luigi's Box is easy to use and has a user-friendly interface, making it suitable for businesses of all sizes and kinds. We understand that e-commerce businesses have unique needs, and a good product discovery solution should offer a range of advanced features to allow them to tailor the search experience to their specific needs. Luigi's Box offers a quick and easy integration that doesn’t require deep technical knowledge. You need to just paste the tracking script into the header of your web. We also offer various types of implementation to choose from.Starting Price: See our Pricing -
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Docz
Docz
Starting from v2, Docz is entirely built using GatsbyJS. It's optimised for a lightning fast development experience and speedy build times. This also allows you to leverage GatsbyJS's huge ecosystem of plugins and tools. No need to worry about complex configuration settings to build and run your documentation. With Docz you can create customizable sites with a single command. Using component shadowing you can create your own theme or customize the provided theme to make your documentation website stand out. MDX is Markdown + JSX, it brings the world of components to Markdown. MDX makes it possible to import and use your components in Markdown-style files. Docz fully leverages this, and provides many built-in components that augment and speed up your documentation workflow. Plugins provide a great way to add functionality to your application without changing your code. -
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Jekyll
Jekyll
No more databases, comment moderation, or pesky updates to install, just your content. Markdown, Liquid, HTML & CSS go in. Static sites come out ready for deployment. Permalinks, categories, pages, posts, and custom layouts are all first-class citizens here. Sick of dealing with hosting companies? GitHub Pages are powered by Jekyll, so you can easily deploy your site using GitHub for free, custom domain name and all. Jekyll is a static site generator. It takes text written in your favorite markup language and uses layouts to create a static website. You can tweak the site’s look and feel, URLs, the data displayed on the page, and more. The Jekyll gem makes a jekyll executable available to you in your terminal. Typically you’ll use jekyll serve while developing locally and jekyll build when you need to generate the site for production. To change Jekyll’s default build behavior have a look through the configuration options. -
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Read the Docs
Read the Docs
Spend your time on writing high quality documentation, not on the tools to make your documentation work. Read the Docs simplifies software documentation by automating building, versioning, and hosting of your docs for you. We will host your documentation for free, forever. There are no tricks. We help over 100,000 open source projects share their docs, including a custom domain and theme. Whenever you push code to your favorite version control service, whether that is GitHub, BitBucket, or GitLab, we will automatically build your docs so your code and documentation are never out of sync. We build and host your docs for the web, but they are also viewable as PDFs, as single page HTML, and for eReaders. No additional configuration is required. We can host and build multiple versions of your docs so having a 1.0 version of your docs and a 2.0 version of your docs is as easy as having a separate branch or tag in your version control system.Starting Price: $5 per month -
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VuePress
VuePress
Minimal setup with markdown-centered project structure helps you focus on writing. Enjoy the dev experience of Vue + webpack, use Vue components in markdown, and develop custom themes with Vue. VuePress generates pre-rendered static HTML for each page, and runs as an SPA once a page is loaded. A VuePress site is in fact a SPA powered by Vue (opens new window), Vue Router (opens new window)and webpack (opens new window). If you’ve used Vue before, you will notice the familiar development experience when you are writing or developing custom themes (you can even use Vue DevTools to debug your custom theme!). -
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Sphinx iQ3
Le Sphinx
Sphinx iQ 3 is the intuitive and efficient multi-channel survey solution to support you at every stage of your projects: from the design of your questionnaires to the analysis of results and their communication. Combining quantitative and qualitative approaches to data visualization, Sphinx iQ 3 makes your data speak to obtain a vision of results that is as synthetic as it is rich and precise. Sphinx iQ 3, is the innovative solution to get the most out of your studies and guide your decisions. Individualize your invitation messages. Develop your tailor-made forms (design, number of questions per page, types of questions, thank you message, etc.). Ask the right question to the right contact by scripting your form with conditional questions and referrals. Distribute dynamic and interactive questionnaires with a display adapted to different media, computers, tablets, smartphones, etc. for a better user experience (responsive design). -
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Sphinx
Sphinx
Decentralize social media, and take back your data. End to end encrypted chat with no central server using the bitcoin lightning network. Pay your favorite content creators with bitcoin. Buy using bitcoin on lightning. Sphinx lets you talk and pay. Consume your content without big brother watching. All messages are sent encrypted over the lightning network. There are no central servers to collect your private data. No one can remove you from the network. You can send bitcoin over lightning instantly to anyone in the world. Pick the right node for you and install the Sphinx app in few simple steps. Invite new users, and connect with existing ones. Send and receive satoshis, instantly and with a smile!Starting Price: $2 one-time -
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SCRMpro
Sphinx Worldbiz
Sphinx’s indigenous CRM software, the SCRMpro, is tailored to the needs of SMEs and multinational corporations. The SCRMpro system enables business enterprises to manage their critical customer-related processes such as acquisition & retention and gaining customer insights and improving customer loyalty. Our SCRMpro uses different types of customer-focused strategies to meet client-specific requirements of managing processes such as sales, leads management and channel management. Our customer-centrist solutions assist clients in driving growth, maintaining competitiveness, and attaining operational excellence. The CRM software is capable of scaling up to each client’s requirement and can manage different aspects of a business such as lead capturing and allocation, data warehousing, sales tracking, asset management, and reports generation. Our custom CRM software solutions have consistently helped improve our clients’ customer response time. -
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Sphinx Declic
Le Sphinx
Sphinx Declic is the web solution dedicated to online surveys. User-friendly, efficient and accessible, it judiciously integrates all survey functions: from questionnaire design to Web/SMS collection and shared analyses. All online, all in one. Sphinx Declic, enjoy operational, fast and dynamic results at an advantageous price. Enhance your company's image by adapting one of the proposed questionnaire presentation templates using your color palettes, fonts, photos, images and logos. Increase your response rate with attractive forms featuring over 15 possible question types. Ask the right question to the right contact by scripting and organizing your form with conditional questions and referrals. Enhance your company's image by adapting one of the proposed questionnaire presentation templates using your color palettes, fonts, photos, images and logos. Increase your response rate with attractive forms featuring over 15 possible question types.Starting Price: $30 per month -
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Manticore Search
Manticore Search
Manticore Search is an open-source database that was created in 2017 as a continuation of the Sphinx Search engine. We took all the best from it, significantly improved its functionality, fixed hundreds of bugs, rewrote the code almost completely, and kept it open-source! That all has made Manticore Search a modern, fast, light-weight, and full-featured database with outstanding full-text search capabilities. We believe that nowadays any technology vendor’s key priority should be to make it as easy to use as possible. We don’t want our users, be it a developer or DevOps to become experts in databases or search engines or have a Ph.D. to be able to use Manticore products. We assume you have other things to do rather than spending hours trying to understand how this or that setting affects this or that functionality. Hence, Manticore Search should work fine in most cases even on defaults.Starting Price: Free -
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Sphinx
Sphinx
Sphinx is an AI agent platform that automates KYC (Know Your Customer) and KYB (Know Your Business) compliance workflows for banks, fintechs, and other regulated financial institutions. The platform deploys intelligent AI agents that handle the manual, time-intensive work traditionally performed by compliance analysts, dramatically reducing operational costs while improving accuracy and consistency. Core Functionality: Automated Customer Onboarding & Verification, Transaction Monitoring & Alert Triage, SAR (Suspicious Activity Report) Preparation, AML (Anti-Money Laundering) Case Management, Regulatory Change Management. -
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Biel.ai
Biel.ai
Biel.ai is an AI assistant for technical documentation that transforms static help centers into intelligent, interactive chatbots. It allows users to ask natural-language questions—like “How do I authenticate with the API?”—and get instant, context-aware answers directly from your documentation. By connecting to your existing docs or APIs, Biel.ai reduces support workload, improves developer experience, and uncovers documentation gaps. Setup takes just minutes with a single script tag, and it supports over 20 documentation platforms, including Docusaurus, GitBook, and Sphinx. Teams gain visibility into unanswered questions and user pain points through real-time analytics. Built with enterprise-grade security and full GDPR compliance, Biel.ai helps companies deliver smarter documentation experiences with complete data control.Starting Price: $50/month -
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Bing Custom Search
Microsoft
An easy-to-use, ad-free, commercial-grade search tool that lets you deliver the results you want. Build a customized search that fits your needs. The Bing Custom Search API gives you powerful ranking, a global-scale search index, and document processing with fast, simple setup. The core technology works in four steps—by identifying on-topic sites and images, providing automatic query suggestions, applying the Bing ranker, and delivering relevant search results. Adjust the parameters and access usage insights anytime. Define the parts of the web you want to draw from so users only see relevant results from the domains, subsites, and web pages you choose. Explore site suggestions to expand the scope of your search domain. And harness the full power of Bing’s global-scale search index to get a holistic view of searches and ranking. Create a compelling search experience for content, such as web pages, images, and even autosuggested words.Starting Price: $4 per 1,000 transactions -
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Searchify
Searchify
Easily add custom full-text search, without the cost or complexity of managing search servers. Searchify is built for the needs of modern web sites where content is rapidly changing. With Searchify, your index gets updated instantly. Our search engine is optimized to update relevance factors frequently with zero fragmentation penalty. Use locations, votes, ratings or comment counts to improve the quality of your search results. These factors can be used to boost relevant documents and to restrict the results to a radius of a geographic location. Use the service with open-source libraries for several platforms. Clients are available for Ruby, Python, PHP and Java. The community also contributes several alternatives to these and other languages. Besides, our REST API is super simple so you can develop your own client with very little effort. In Searchify, results ordering is defined by a custom sorting algorithm that is expressed in a formula.Starting Price: $59.00/month -
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Vectara
Vectara
Vectara is LLM-powered search-as-a-service. The platform provides a complete ML search pipeline from extraction and indexing to retrieval, re-ranking and calibration. Every element of the platform is API-addressable. Developers can embed the most advanced NLP models for app and site search in minutes. Vectara automatically extracts text from PDF and Office to JSON, HTML, XML, CommonMark, and many more. Encode at scale with cutting edge zero-shot models using deep neural networks optimized for language understanding. Segment data into any number of indexes storing vector encodings optimized for low latency and high recall. Recall candidate results from millions of documents using cutting-edge, zero-shot neural network models. Increase the precision of retrieved results with cross-attentional neural networks to merge and reorder results. Zero in on the true likelihoods that the retrieved response represents a probable answer to the query.Starting Price: Free -
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Amazon CloudSearch
Amazon
Amazon CloudSearch is a managed service in the AWS Cloud that makes it simple and cost-effective to set up, manage, and scale a search solution for your website or application. Amazon CloudSearch supports 34 languages and popular search features such as highlighting, autocomplete, and geospatial search. With Amazon CloudSearch, you can quickly add rich search capabilities to your website or application. You don't need to become a search expert or worry about hardware provisioning, setup, and maintenance. With a few clicks in the AWS Management Console, you can create a search domain and upload the data that you want to make searchable, and Amazon CloudSearch will automatically provision the required resources and deploy a highly tuned search index. You can easily change your search parameters, fine tune search relevance, and apply new settings at any time. As your volume of data and traffic fluctuates, Amazon CloudSearch seamlessly scales to meet your needs. -
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Mindbreeze InSpire
Mindbreeze
Mindbreeze notes and homes in on the type of information you find most useful, learns to search intelligently, and quickly recognizes content that other systems miss. Data is brought together from a wide variety of sources to provide employees or customers with a 360-degree view of the topics or customers relevant to them. Mindbreeze automatically makes data available across all application, department, and company boundaries. Mindbreeze InSpire finds all information about your company, such as e-mail addresses, telephone numbers, and contact persons. Experts from different fields as well as their contact information are clearly displayed. All documents, including their latest revisions, are quickly found and displayed using the preview function. With the 360-degree customer search app, the user is able to see and interact with a 360-degree view of one account by indexing multiple structured data sources such as SAP. -
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Yandex Search API
Yandex
Search API provides access to three search types (Russian, Turkish, and international) and can be used to develop a search for a site, a group of sites, or an entire network. Search API provides access to Russian, Turkish, and international search types. The search type determines both the ranking formula and the search database, a set of documents a search is made across. Search API supports the indexing of text pages and documents. The index is updated every few days, and its composition is constantly expanding. The speed of responses to requests is less than one second. The service has virtually no restrictions on the number of requests per day or per month. Save yourself the trouble of developing and maintaining a crawler, and of battling with both. You simply integrate the API into your products without having to configure servers. Search API automatically scales to your workload. -
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RediSearch
Redis
Redis Enterprise includes a powerful real-time indexing, querying, and full-text search engine available on-premises and as a managed service in the cloud. Redis real-time search supports fast indexing and ingestion. It’s engineered for performance using in-memory data structures implemented in C. Scale out and partition indexes over several shards and nodes for greater speed and memory capacity. Enjoy continued operations in any scenario with five-nines availability and Active-Active failover. Redis Enterprise real-time search allows you to quickly create primary and secondary indexes on Hash and JSON datasets using an incremental indexing approach for fast index creation and deletion. The indexes let you query data at top speed, perform complex aggregations, filter by properties, numeric ranges as well as geographical distance. -
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Coveo
Coveo
360° relevance across Websites, Ecommerce, Service, and the Workplace. Every search, recommendation, and interaction made it better. We help businesses deliver the relevant experiences people expect. With the Coveo Relevance Cloud, relevant search is just the beginning. Harness self-optimizing AI that learns from every click and query, at every touchpoint. So you can deliver experiences that get better and better, notice search relevance from Day 1, and scale to full 360° Relevance. Every click and query tells you what a customer wants. Serve up relevant product results, and tailored product and content recommendations, that they’ll want to 'add to cart. Connect each customer to the most relevant answers faster, with AI-powered customer self-service and AI-assisted agent responses. Coveo scores high marks for how we make things work, from drag-and-drop UI customizations to headless APIs and more. -
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Apache Solr
Apache Software Foundation
Solr is highly reliable, scalable and fault tolerant, providing distributed indexing, replication and load-balanced querying, automated failover and recovery, centralized configuration and more. Solr powers the search and navigation features of many of the world's largest internet sites. Solr enables powerful matching capabilities including phrases, wildcards, joins, grouping and much more across any data type. Solr is proven at extremely large scales the world over. Solr uses the tools you use to make application building a snap. Solr ships with a built-in, responsive administrative user interface to make it easy to control your Solr instances. Need more insight into your instances? Solr publishes loads of metric data via JMX. Built on the battle-tested Apache Zookeeper, Solr makes it easy to scale up and down. Solr bakes in replication, distribution, rebalancing and fault tolerance out of the box. -
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Keyspider
Keyspider
Keyspider provides accurate search results with a cloud-based enterprise search engine. With Keyspider you can build your very own customized website search without the additional time or cost. Keyspider understands the customer’s requirements and delivers the right results to their search queries. The solution for websites to pave the way for better search experiences and improved conversions. It intends to redefine how customers navigate through customers' websites with a search-as-a-service that leaves no stone unturned. Increase relevance across mediums with tailored search. No coding: Create a new page with search capabilities after installing the Keyspider Search. Works with your site's existing style guide. Cloud-based: All of your documents are securely stored, backed up, and searchable in the cloud. Based on your crawler Automatic/Manual crawler settings content would be updated in the keyspider search engine. Read more keyspider's features in our website.Starting Price: $19/month -
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Vertex AI Search
Google
Google Cloud's Vertex AI Search is a comprehensive, enterprise-grade search and retrieval platform that leverages Google's advanced AI technologies to deliver high-quality search experiences across various applications. It enables organizations to build secure, scalable search solutions for websites, intranets, and generative AI applications. It supports both structured and unstructured data, offering capabilities such as semantic search, vector search, and Retrieval Augmented Generation (RAG) systems, which combine large language models with data retrieval to enhance the accuracy and relevance of AI-generated responses. Vertex AI Search integrates seamlessly with Google's Document AI suite, facilitating efficient document understanding and processing. It also provides specialized solutions tailored to specific industries, including retail, media, and healthcare, to address unique search and recommendation needs. -
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Help people find what they need on your website. Add a customizable search box to your web pages and show fast, relevant results powered by Google Search. Because it’s powered by Google’s core search technology that’s constantly improving, you always get fast, relevant results. You program your search engine, so you decide what content it searches and how it looks. Integrate your search engine on your website quickly. Decide if you want users to search only your website, or include other sites on the web. Choose from several pre-built themes, or design your own search results page from scratch. Pay nothing — and even earn revenue — by showing relevant ads with AdSense, or pay a low price for an ad-free experience.
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Crestadoro
Brynner Industries
Crestadoro is a networkable file indexing and search tool. You can install it on multiple Windows machines, create libraries of documents that reside on each machine, then search and access the files from anywhere on your network. You can install Crestadoro on as many machines as you like, both the indexing engine and the search client are easy to set up. You can optionally use SQL Server to store the data if you don't want to use the internal storage mechanism that comes as standard (though it is pretty wizzy!). The Community Edition is completely free to use, you can have as many libraries as you want, the only limitation is that each library can only hold a maximum of 100 documents. Crestadoro is named in honor of Andrea Crestadoro, a chap who lived a couple of hundred years ago who is generally considered to be the first person to come up with the idea of indexing a book by its content rather than its title. He was also an inventor who came up with some bonkers ideas!Starting Price: £50 -
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Google Cloud Search
Google
With Cloud Search, we’re bringing the best of Google Search to your business and delivering true enterprise search. Whether integrated with G Suite or used as stand-alone to connect to all your third-party applications and data platforms, Cloud Search helps your employees quickly, easily, and securely find information across the business. Searching through your company’s data should be easier. Cloud Search utilizes machine learning to bring instant query suggestions and surface the most relevant results across more than 100 different content platforms — in over 100 different languages. What Google does for the web, Cloud Search does for enterprise search and for your business. Cloud Search delivers enterprise search through robust SDKs and ready-to-use APIs to help you scalably index vast amounts of data from any source. With 100+ connectors, you can index your third-party content from dozens of enterprise sources. -
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Copernic Business Server Search
Copernic Technologies
Adding a business search solution for your team, department or across your company boosts your employees’ productivity. But did you know that Copernic’s Business Server Search can allow you to easily roll out an elevated search experience—with maximum functionality and at a fraction of the cost of other, more complex search products? Your IT department won’t be taxed with hours-long implementation and setup. Simply download the Windows installation file and configure your file sources. You can build indexes specific to teams and departments—all while respecting permissions and confidential information. Copernic’s team remains available for any questions you may have. Thanks to Copernic’s advanced keyword map (index), give employees the tools they need to find all types of business information that is currently buried in shared servers, whether they be text documents, multimedia files, emails, cloud data, and more.Starting Price: $600 per year -
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INDICA Enterprise Search
INDICA
INDICA Enterprise Search is the solution for companies to quickly browse through your systems and find the data you need within seconds. Unlike other Enterprise Search solutions, INDICA’s patented data platform indexes all structured and unstructured data and ranks the results to relevance. This makes it possible to find the exact data you need with a few clicks. The Enterprise Search solution is based on our Basic Data Platform and Enterprise Search Module and can be enriched with other features or modules to your demand. The Enterprise Search solution is equipped with an advanced query builder allowing users to easily create accurate search queries that only return relevant results. INDICA Enterprise Search allows to filter search results by document type, date, data source, paths and access. Users can also rank the results to date, name, size and much more. -
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Swiftype
Swiftype
Swiftype Site Search offers businesses and their audience a flexible and fast site search experience. With Swiftype Site Search, businesses can add a search feature to their website to help customers, readers and followers find highly relevant results. The solution can be adapted to a business' specific needs--whether it's an online store looking to increase conversion rates or an online publication seeking to boost engagement.Starting Price: $299.00/month -
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Findkit
Findkit
Findkit is an ultimate site search solution that's adaptable, fast, and exceptionally simple to deploy. Whether you manage a single domain or a network of websites, Findkit's cloud-based crawler and scalable search API can integrate vast amounts of data into a cohesive search index in just minutes. With Findkit, you get a CORS-compatible API and an open-source JavaScript UI library, making it easy to create a seamless search interface tailored to your needs. Plus, it's fully compatible with any framework or CMS, boasting an additional WordPress plugin for even more convenience. Findkit is a white-label product. Take advantage of Findkit's free plan to experience the benefits without upfront costs. Customize your search with language-aware indexing, content tagging, and real-time updates to keep your index aligned with your site's content. As your needs grow, Findkit's simple pricing scales with you, offering larger index sizes and enhanced support at competitive rates.Starting Price: €59/month -
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ChaosSearch
ChaosSearch
Log analytics should not break the bank. Because most logging solutions use one or both of these technologies - Elasticsearch database and/ or Lucene index - the cost of operation is unreasonably high. ChaosSearch takes a revolutionary approach. We reinvented indexing, which allows us to pass along substantial cost savings to our customers. See for yourself with this price comparison calculator. ChaosSearch is a fully managed SaaS platform that allows you to focus on search and analytics in AWS S3 rather than spend time managing and tuning databases. Leverage your existing AWS S3 infrastructure and let us do the rest. Watch this short video to learn how our unique approach and architecture allow ChaosSearch to address the challenges of today’s data & analytic requirements. ChaosSearch indexes your data as-is, for log, SQL and ML analytics, without transformation, while auto-detecting native schemas. ChaosSearch is an ideal replacement for the commonly deployed Elasticsearch solutions.Starting Price: $750 per month -
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RealDecoy
RealDecoy
Trust a technologically agnostic service provider to find the best solution for your business. RealDecoy maximizes your digital commerce ROI with site search services proven to increase revenue and lower costs. Increase conversions, average order values, and customer loyalty, no matter which screen. Manage complex data sources and search taxonomies, multiple languages, and currencies. Reduce operational expenses and the cost to serve customers. Find opportunities for merchandizing, cross-selling, and up-selling. Personalize search results so customers see only what is relevant. Personalize your customers’ site search experience so visitors find the products they’re looking for, discover products they didn’t know they needed, and return to purchase more often. Assessing commercial and open source technology options. Recommending the best fit to meet business and technical requirements that drive the most ROI. -
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Apache Lucene
Apache Software Foundation
The Apache Lucene™ project develops open-source search software. The project releases a core search library, named Lucene™ core, as well as PyLucene, a python binding for Lucene. Lucene Core is a Java library providing powerful indexing and search features, as well as spellchecking, hit highlighting and advanced analysis/tokenization capabilities. The PyLucene sub project provides Python bindings for Lucene Core. The Apache Software Foundation provides support for the Apache community of open-source software projects. Apache Lucene is distributed under a commercially friendly Apache Software license. Apache Lucene set the standard for search and indexing performance. Lucene is the search core of both Apache Solr™ and Elasticsearch™. Our core algorithms along with the Solr search server power applications the world over, ranging from mobile devices to sites like Twitter, Apple and Wikipedia. The goal of Apache Lucene is to provide world class search capabilities. -
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YaCy
YaCy
YaCy is free software for your own search engine. Join a community of search engines or make your own search portal! There are these three use cases you can choose from: Web Search by the people, for the people: decentralized, all users are equal, no central, no search request storage, shared index. Your YaCy installation is independent from other peers. Define your own web index and starting your own web crawl. Create a search portal for your intranet or web pages or your (shared) file system. Imagine if, rather than relying on the proprietary software of a large professional search engine operator, your search engine was run by many private computers which aren't under the control of any one company or individual. Well, that's what YaCy does! -
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Yext
Yext
Yext (NYSE: YEXT) helps organizations answer every question about their business. Yext's Answers Platform collects and organizes content into a Knowledge Graph, then leverages a complementary set of products — including Listings, Pages, Reviews, and Search — to deliver relevant, actionable answers wherever customers, employees, and partners look for information. For over 15 years, thousands of companies worldwide have trusted Yext to create seamless content-driven experiences at scale across search engines, websites, mobile apps, and hundreds of other digital touchpoints. Learn more at yext.com. -
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Search.io
Search.io
Search.io is re-engineering search to give all developers the tools to create intelligent search applications in hours, not months. With machine-learning at its core, Search.io automatically optimizes search results based on customer and business data. In a few lines of configuration code, developers can implement advanced capabilities, like A/B testing, reinforcement learning, and Bayes classification, that would take months to implement otherwise. Search.io enables thousands of businesses worldwide to provide highly-intelligent search experiences on their websites, stores, and applications.Starting Price: $0.00 per month -
41
Typesense
Typesense
Tailor your results to perfection via flexible and fast query-time sorting. Pin specific records in a particular position to feature or merchandize them. Show results for pants when users search for trousers, or vice-versa, when you define them as synonyms. Store multiple users’ data in a single index, create API keys for each user that restrict access to just their data. Sort records on the fly by any fields in your document. For eg: sort by price, sort by popularity, etc. No duplicate indices needed. Provide more varietry in your results by grouping results. You can combine all color variations of a shirt into a single result. Only fetch records that match a given filter. Aggregate field values and get counts, min, max and avg of values across records. Search & sort results within a certain distance from a latitude/longitude or within a polygon region. Build a resilient production-grade search service, with a few simple steps. -
42
LupaSearch
LupaSearch
LupaSearch is an advanced AI-driven search and discovery platform designed to enhance user experiences. Our engineers have developed cutting-edge technology that combines powerful natural language processing, vector search, and advanced keyword matching in one seamless API. The stats are in our favor: we boast a 100% client retention rate, and our search speed is a significant improvement over industry standards, ranging from 60-250ms. At LupaSearch, we put skin in the game by committing to contracts that align with our clients' goals, ensuring we deliver measurable results. LupaSearch handles millions of search requests globally with exceptional speed and accuracy, empowering businesses to deliver precise and scalable search experiences.Starting Price: $200/month -
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SearchBlox
SearchBlox Software
We simplify search for complex enterprises. Data isn’t just getting bigger. It’s becoming more connected, which makes data-driven decision making more complicated than ever. We build intuitive and intelligent insight engines on open source technologies. Our enterprise search products securely deliver the right data to the right user at the right time. Avoid vendor lock-in with an annual subscription. Our transparent, upfront annual pricing allows you to anticipate your spend and avoid surprises, even in the cloud. You won’t see the phrase “Contact Us for Pricing” anywhere on our website. Search that’s as easy for you to install as it is for your customers to use. Increasingly, visitors use search to navigate websites. And if they don’t find what they’re looking for right away, they leave. SearchBlox Site Search provides fast, accurate search and a sophisticated customer experience that boosts conversions. -
44
Cludo
Cludo
Cludo: Smarter Site Search for Modern Digital Experiences Cludo helps public organizations create smarter, more accessible digital experiences through intelligent, customizable site search and AI. Our AI-powered tools, including AI Summaries and AI Chat, connect visitors with the information they need — fast, accurately, and effortlessly. We make it easy to build tailored search solutions, improve user satisfaction, and reduce support demand — all with actionable insights at your fingertips. -
45
SoloSegment SearchBox
SoloSegment
Site search that converts with SearchBox B2B site searchers who find what they’re looking for convert 94% more often than other navigators. Don’t turn away your most valuable customers.Starting Price: $1,500/month -
46
Openindex
Openindex
Openindex is a web data and search solutions platform that helps organizations collect, extract, crawl, analyze, and integrate information from the internet or internal sources into applications, research workflows, or search experiences; its core offerings include data extraction tools that automatically gather and parse web content, detecting languages, main text, images, prices, and structured elements, and support for entity extraction to identify people, companies, locations, and other named entities from text or documents via API or demos, enabling automated text intelligence without manual work. Openindex’s data crawling and scraping services use enhanced web spiders and customized software to index and traverse sites at scale, avoid spider traps, and harvest specific datasets for research, market analysis, competitive insights, and data feeds ready for integration into systems.Starting Price: €100 per month -
47
Amazon Kendra
Amazon
Amazon Kendra is a highly accurate and easy to use enterprise search service that’s powered by machine learning. Kendra delivers powerful natural language search capabilities to your websites and applications so your end users can more easily find the information they need within the vast amount of content spread across your company. Use natural language questions instead of just simple keywords to get the answers you’re looking for, whether that is a precise answer, an FAQ, or an entire document. Say goodbye to sifting through long lists of links and hoping one has the information you need. Get rid of information silos. Kendra lets you easily add content from file systems, SharePoint, intranet sites, file sharing services, and more, into a centralized location so you can quickly search all of your information to find the best answer. Your results get better over time search, because Kendra’s machine learning algorithms learn which results your users find most valuable.Starting Price: $2.50 per hour -
48
Zevi
Zevi
Zevi is a site search engine that leverages natural language processing (NLP) and machine learning (ML) to better understand the search intent of users. Instead of relying on keywords to produce the most relevant search results, Zevi relies on its ML models, which have been trained on vast amounts of multilingual data. As a result, Zevi can deliver extremely relevant results regardless of the search query used, thus providing users with an intuitive search experience that minimizes their cognitive load. In addition, Zevi allows website owners to provide personalized results, promote particular search results based on various criteria, and to use search data to make informed business decisions.Starting Price: $29 per month -
49
RazorSQL
RazorSQL
RazorSQL is an SQL query tool, database browser, SQL editor, and database administration tool for Windows, macOS, Mac OS X, Linux, and Solaris. RazorSQL has been tested on over 40 databases, can connect to databases via either JDBC or ODBC. Browse database objects such as schemas, tables, columns, primary and foreign keys, views, indexes, procedures, functions, and more. Visual tools to create, alter, describe, execute, and drop database objects such as tables, views, indexes, stored procedures, functions, triggers, and more. Includes multi-tabular display of queries with options for filtering, sorting, searching, and much more. Import data from various formats such as delimited files, Excel spreadsheets, and fixed-width files. Includes a robust relational database (HSQLDB) that is up and running with no manual configuration out of the box.Starting Price: $99.95 one-time payment -
50
Embase
Elsevier
Improve your biomedical research with the world’s most comprehensive biomedical literature database. More biomedical evidence by searching comprehensive, relevant, and up-to-date biomedical research. Create systematic searches and automate query building using intuitive search forms. Uncover drug-disease relationships and drug-drug interactions, manually curated from deep indexing. The accelerated pace of biomedical research and development demands comprehensive information. You anticipate risk by assessing everything that is known. You track safety to meet regulations. You uncover connections to push innovations. Embase is a unique medical literature database where comprehensive goes beyond content. With Emtree indexing of full-text content and dedicated search terms, you find all relevant and current results. This includes information that may not be uncovered in other databases. Scroll down to find out why regulatory agencies recommend Embase in their best practice guidelines.
