Free and open first

Best AI Enterprise Search Software in 2026

Finding information across an organization's content depends on what search tools can connect and how they handle results and access. Compare source connectors and indexed content limits with answer citations and permission sync. Admin controls and deployment options can help you assess operational fit, while free plans and paid starting prices frame access and cost. Fess, OpenSearch, and PipesHub are among the options to weigh. Consider the content sources, access requirements, and deployment approach relevant to your environment.

26 apps
Research read 23 Sept 2026
How the order is worked out

1

Onyx

Free plan Open source APIExtensionLinux+4

8.7 Free plan · paid from $20/user/mo (annual) · 14-day trial Visit site
2

Elastic Search AI

Free plan APILinuxSelf-hosted+1

Elastic Search AI offers multiple search methods, data integrations, and deployment options for AI-assisted retrieval.

7.6 Free plan · paid from $99/mo · 14-day trial Visit site
3

Fess

Free plan APILinuxMac+3

Fess provides broad source coverage and configurable search features in a self-hosted deployment. Consider the operational runtime requirements and support arrangement alongside its free license.

7.5 Free plan Visit site
4

GoSearch Analytics

Free plan APIExtensionWeb

GoSearch combines enterprise search with agents and no-code workflows across connected apps. The Free plan has defined usage limits, while Pro costs $20 a month, billed user/month.

7.3 Free plan · paid from $20/user/mo Visit site
5

Google Agent Search

Free plan APIWeb

7.2 From $0.50/mo Visit site
6

Korra

Free plan AndroidAPIExtension+6

Korra combines file-based question answering with source navigation and several deployment and integration options.

7.2 Free plan · pricing on request Visit site
7

OpenSearch
by OpenSearch
Free plan APILinuxMac+3

OpenSearch provides a free search and analytics suite with ingestion, visualization, and machine-learning capabilities.

7.1 Open source Visit site
8

PipesHub

Free plan APISelf-hostedWeb

Choose PipesHub if your organization needs permission-aware enterprise search, cited results and cross-system workflow automation.

6.9 Free plan Visit site
9

SWIRL AI Search

Free plan APILinuxSelf-hosted+1

SWIRL is designed for organizations that need search across distributed systems without moving source content.

6.9 Free plan · paid from $24,000/yr Visit site
10

Viglet Turing ES

Free plan APILinuxMac+3

Turing ES combines enterprise search, content connectivity, and generative AI in a self-hosted Apache 2.0 platform.

6.9 Free plan Visit site
11

Dropbox Dash

Free trial AndroidAPIExtension+4

Dropbox Dash brings cross-app search, sourced answers, and shared Stacks into a cloud workspace. Review its paid starting price and possible future connected-item limit before choosing it.

6.5 From $19/user/mo · 30-day trial Visit site
12

Dashworks

Free trial ExtensionSelf-hostedWeb

Dashworks brings workplace search, linked answers, and app integrations into a single assistant. The Team plan starts at $10 a month per seat, billed annually, and the listed trial lasts 14 days.

6.4 From $10/user/mo (annual) · 14-day trial Visit site
13

Amazon Kendra

Free trial APIWeb

Kendra combines search, source connectors, analytics, and document enrichment, with retrieval features for generative AI workflows.

6.3 From $1.12 · 30-day trial Visit site
14

Coveo
by Coveo
Free trial APIWeb

Choose Coveo when an organization needs enterprise search, recommendations, or product discovery across customer, employee, service, or commerce experiences.

6.3 Pricing on request Visit site
15

Mindbreeze InSpire

Free trial APILinuxSelf-hosted+1

InSpire combines enterprise search, knowledge grounding, and multiple deployment options.

6.1 Visit site
16

Guru
by Guru
Paid AndroidAPIExtension+2

Organizations publishing content for internal teams should consider Guru for its web access, single sign-on, version history, and analytics.

5.8 Pricing on request Visit site
17

Kaldros

Free trial Web

Kaldros combines cited answers with source-level permission checks and audit entries. Buyers should note the trial payment-method requirement and the stated SOC 2 status.

5.7 From €39/user/mo (annual) · 14-day trial Visit site
18

Hebbia

Paid APIiPhoneWeb

Choose Hebbia if your institution needs finance-focused AI, traceable analysis, or workflows built around firm processes.

5.6 Pricing on request Visit site
19

Moveworks

Paid AndroidAPIExtension+2

Moveworks brings permission-aware knowledge search and cross-system task automation into one enterprise platform. Organizations need to request a quote, and the company offers a personalized demo.

5.6 Pricing on request Visit site
20

Glean Agent Builder

Paid Web

Glean Agent Builder offers visual workflow creation, model choices, and connections to enterprise data under organizational permissions.

5.5 Pricing on request Visit site
21

SearchBlox SearchAI

Paid APILinuxSelf-hosted+2

Choose SearchBlox SearchAI if your organization needs enterprise search and AI features across connected data sources, with options for private or hybrid deployment.

5.4 From $24,000/yr Visit site
22

InSearch

Paid Web

InSearch brings workplace app search, cited answers and permission-aware access into one web service.

5.2 From $20/user/mo (annual) Visit site
23

Squirro Enterprise GenAI

Paid APISelf-hostedWeb

Squirro Enterprise GenAI brings grounded answers, data connectors, and multiple hosting options into one enterprise platform.

5.2 Pricing on request · 14-day trial Visit site
24

Sinequa

Paid Self-hostedWeb

Sinequa combines enterprise search, assistants, and agents with permission-aware access to organizational data.

4.8 Pricing on request Visit site
25

IBM watsonx.data

Paid Web

4.7 From $1 Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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