Free and open first

Best Search Databases in 2026

Applications that search indexed collections depend on choices about query behavior, capacity and deployment. Compared on primary search mode and query interface, these entries can also be weighed for faceted search and vector search. Index limits offer another point of comparison, while deployment details help you consider how a database may run in your environment. Chroma, Qdrant and Typesense are among the options to examine. Check free-plan availability and paid-from pricing alongside the listed search capabilities to see which details fit the needs of your application.

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

1

Apache Solr

Free plan Open source APILinuxMac+3

Solr combines varied search modes with distributed operation, administration, and listed security capabilities.

9.2 Free plan Visit site
2

Chroma

Free plan Open source AndroidAPIiPhone+5

Choose Chroma if you need an open-source embedding database with multiple search methods and flexible deployment options.

9.2 Free plan · paid from $250/mo Visit site
3

Vespa

Free plan Open source APILinuxMac+3

Vespa offers varied search and ranking methods alongside self-managed and cloud deployment paths.

8.6 From $0.05 Visit site
4

Algolia

Free plan AndroidAPIExtension+2

Algolia pairs search APIs and developer libraries with tools for ranking, personalization, analytics, and merchandising.

7.7 Free plan Visit site
5

Azure AI Speech
by Azure AI Speech
Free plan APISelf-hostedWeb

7.5 Free plan Visit site
6

Datafari

Free plan LinuxSelf-hostedWeb+1

Datafari brings search across varied company sources together with relevance controls, access safeguards, and a REST interface.

7.5 Free plan Visit site
7

Elasticsearch

Free plan APILinuxSelf-hosted+1

Choose Elasticsearch for real-time search and analytics across varied data types, with deployment choices ranging from self-managed to serverless.

7.5 Free plan · paid from $99/mo · 14-day trial Visit site
8

Manticore Search

Free plan APILinuxMac+3

Manticore Search offers a broad set of text and vector search capabilities with multiple deployment options.

7.3 Free plan Visit site
9

Meilisearch

Free plan APILinuxMac+3

Meilisearch offers multiple search approaches and deployment choices, with a free self-hosted option and paid cloud service.

7.3 Free plan · paid from $20/mo · 14-day trial Visit site
10

LanceDB

Free plan APILinuxSelf-hosted

7.2 Open source Visit site
11

OpenSearch
by OpenSearch
Free plan APILinuxMac+3

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

7.2 Open source Visit site
12

ParadeDB

Free plan APILinuxMac+1

ParadeDB adds broad search and indexing options within PostgreSQL, with a free Community edition for single-node use.

7.2 Free plan Visit site
13

Pinecone
by Pinecone
Free plan APILinuxMac+1

Pinecone combines managed vector search capabilities with multiple index types, integrations and stated security controls.

7.2 Free plan · paid from $20/mo · 21-day trial Visit site
14

Milvus

Free plan APILinuxSelf-hosted

Milvus offers a free, open-source path from local vector search to large distributed deployments.

7.1 Free plan Visit site
15

Qdrant
by Qdrant
Free plan APILinuxMac+3

Qdrant offers flexible vector storage and retrieval, with APIs, client libraries, integrations, and cloud or local deployment.

7.1 Free plan Visit site
16

Quickwit

Free plan APILinuxMac+2

Quickwit offers an open-source way to search and analyze data in cloud storage, with multiple deployment and ingestion options.

7.1 Open source Visit site
17

Typesense

Free plan APILinuxMac+3

Typesense combines conventional search controls with a range of AI search capabilities and lets teams choose local, server or hosted deployment.

7.0 Free plan · paid from $22/mo Visit site
18

Weaviate
by Weaviate
Free plan APILinuxSelf-hosted+1

Weaviate offers vector search infrastructure with hybrid search and both hosted and self-managed deployment.

6.9 Free plan · paid from $45/mo Visit site
19

Sonic
by Sonic
Free plan LinuxSelf-hosted

Sonic provides a focused search backend with language-aware query features and multiple integration options.

6.8 Open source Visit site
20

Vald

Free plan APILinuxSelf-hosted

Vald offers distributed dense-vector search with asynchronous indexing, scaling, and index backup options. Deployment requires Kubernetes, Helm, and Go according to its getting-started requirements.

6.8 Open source Visit site
21

Zilliz Cloud

Free plan APIWeb

Choose Zilliz Cloud if you need managed Milvus with several vector search modes, deployment options, and documented migration sources.

6.6 Free plan · 30-day trial Visit site
22

Google Vertex AI Search

Free trial AndroidAPIiPhone+1

Agent Search offers broad data-source coverage, semantic retrieval, and generated answers for web and mobile experiences. Its paid query pricing and trial limits are central planning considerations.

6.3 From $1.50 Visit site
23

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.

6.1 Pricing on request Visit site
24

Constructor

Paid AndroidAPIiPhone+1

Constructor brings product discovery, shopper personalization, and merchandising tools together for retail ecommerce.

5.9 Pricing on request Visit site
25

Amazon CloudSearch

Paid APIWeb

CloudSearch supplies managed, multilingual search with broad query and ranking controls while AWS handles operations and scaling.

5.8 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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