Best Enterprise Search Software with a Free Plan or Free Trial
Top picks for Enterprise Search Software available with a free plan or free trial
9.0
SpotScore
Find what you're looking for, instantly.
8.4
SpotScore
Efficient site search made simple.
Free trial not available
Freemium
Starts from $8,000/Year
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Every product here is scored on the same 10-point SpotScore scale, built from pricing, feature and deployment data we maintain, plus ratings collated from public review sources.
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List of the Best Enterprise Search Software with a Free Plan or Free Trial as of November 2026
9.0
SpotScore
SearchBlox Search
Find what you're looking for, instantly.
Best for: SMB teams · Mid-market · Enterprise
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What is SearchBlox Search?
SearchBlox is a powerful, fast and cost effective site search solution. This affordable software will enable business to bring people directly to the products or services they are looking for, boosting website conversion rates and creating new revenue streams. With support for over 1,000 ...
Read more about SearchBlox Search8.4
SpotScore
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What is Datafari?
Datafari is an open-source site search engine for small to medium-sized websites where search needs to be set up quickly without programming, database, or web server knowledge. It builds a site map and indexes pages automatically so visitors find relevant content without custom development ...
Read more about DatafariStarts from $8,000/Year, also offers free forever plan
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What is Guru?
Guru is online wiki and collaboration software that enables teams to effectively track and document important information and tasks associated with their projects. Guru is an excellent tool for software development, web site implementation, process management, business analysis or plain project ...
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Onyx
Open-source workplace search you can run air-gapped
Best for: SMB teams · Mid-market · Enterprise
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What is Onyx?
Onyx indexes the places a company already works and answers from them through a chat and search interface. The project advertises more than 40 app connectors, naming GitHub, Google Drive, Slack and Confluence, and a Slack integration so a question can be asked where the conversation is already ...
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GoSearch
Workplace search with a free tier and a browser sidebar
Best for: SMB teams · Mid-market · Enterprise
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What is GoSearch?
GoSearch puts one search box across the applications a company runs, reached from a new tab page, a browser sidebar or the search bar itself. The company cites more than 100 connectors and names Google Drive, Confluence, Notion, Jira, Coda and HubSpot among them, splitting coverage so a free ...
Read more about GoSearchStarts from $20/user /month when monthly, also offers free forever plan
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What is Vectara?
Vectara ingests an organisation’s documents, including SharePoint, Box, Drive, mail, chats, tickets, wikis and code repositories, and serves grounded answers over them through managed agents and a REST API. The company ships its own retrieval and generation models and accepts a customer’s own ...
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What is Glean?
Glean is a powerful work assistant that helps companies stay informed and up-to-date. It gives you quick access to all your company apps and information, uncovering useful insights you weren't aware of. This intuitive search tool was designed by former Google search engineers, making it easy to ...
Read more about GleanGlean offers custom pricing plan
Also compared: paid Enterprise Search Software
These did not match this page's filter. They are the highest-rated Enterprise Search Software in the wider category, shown so there is something to compare.
9.0
SpotScore
Implicit
Enterprise knowledge management AI
What is Implicit?
Implicit is an enterprise-grade AI-powered platform for knowledge management and information retrieval at scale. The solution helps organizations unlock the value of their unstructured data by applying advanced natural language processing and machine learning to extract, categorize, and surface ...
Read more about Implicit8.4
SpotScore
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What is 3RDi Search?
With 3RDi Site Search, user can add a powerful and intuitive site search facility to the web site. They can easily select items of interest from results in an intelligent, semi-automatic manner. Plus, user get a range of services and support for no additional charge. It gives visitors access to ...
Read more about 3RDi Search3RDi Search offers custom pricing plan
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What is Hebbia?
Hebbia reads the documents a professional services firm already holds and is built around two products. Matrix lays one question across many files at once and returns a grid: a row per document or company, a column per question, and the supporting passage shown in each cell. Max is the chat and ...
Read more about HebbiaHebbia offers custom pricing plan
Frequently Asked Questions About Enterprise Search Software
Stuck on something? We're here to help with all the questions and answers in one place.
The features most commonly offered by Enterprise Search Software on Spotsaas are Access Control, Semantic Search, Permission-Aware Results, Answer Generation, Third-party Integration, Federated Search. Most buyers prioritize ease of use, reporting, and integration capabilities. Start with what covers your core workflow before comparing advanced features.
The top rated Enterprise Search Software based on verified user reviews and SpotScore are Hebbia, Sinequa, Mindbreeze InSpire. These consistently score highest on ease of use, feature depth, and customer support quality. Ratings are updated monthly based on real buyer feedback.
To choose the right Enterprise Search Software, start by listing your must-have features, commonly Access Control, Semantic Search, Permission-Aware Results, Answer Generation, Third-party Integration, Federated Search. Then filter by team size, budget, and integrations you already use. Compare at least 3 options and use free trials to test before committing. Spotsaas lets you compare side-by-side in minutes.
Yes. 2 Enterprise Search Software on Spotsaas offer a free plan or free trial. Popular free options include Onyx, Vectara. Free plans typically cover core features for small teams; paid upgrades unlock advanced reporting, integrations, and support.
The best Enterprise Search Software for small businesses are affordable, quick to set up, and scale without complexity. Top picks for small teams are Onyx, GoSearch, Atlassian Rovo. Look for per-user pricing, no long-term contracts, and strong onboarding support to minimize ramp-up time.
About the reviewer
Rajat Gupta is the founder of Spotsaas, where he has built software research covering 25,000+ products across CRM, HR, AI, and finance. He applies hands-on product research and a background in commerce and the CFA program to evaluate software through a business and ROI lens. His goal: help teams make software decisions they won't regret.
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].