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Best Self-Hosted AWS Kendra Alternatives in 2026

AWS Kendra is an enterprise search service powered by machine learning for searching across documents and knowledge bases.

8 Self-Hosted Alternatives to AWS Kendra

Why Look for AWS Kendra Alternatives?

AWS Kendra is an enterprise search service powered by machine learning for searching across documents and knowledge bases.

Self-hosted alternatives give you full data ownership, predictable costs, and zero vendor lock-in. You run the software on your own infrastructure and control everything.

8 Best Open-Source Alternatives to AWS Kendra

Elasticsearch

Elasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management. — 76,367 GitHub stars. Licensed under Open Source.

Read full Elasticsearch review

MeiliSearch

Hyper-relevant search engine for any workflow. — 56,418 GitHub stars. Licensed under MIT.

Read full MeiliSearch review

Typesense

Blazing-fast, typo-tolerant search engine. — 25,395 GitHub stars. Licensed under GPL-3.0.

Read full Typesense review

OpenSearch

OpenSearch: flexible, scalable, open-source data solutions. — 12,565 GitHub stars. Licensed under Apache-2.0.

Read full OpenSearch review

deepset

Accelerate AI application development for enterprises. — 24,512 GitHub stars. Licensed under Apache-2.0.

Read full deepset review

Onyx Community Edition

Chat UI that works with any LLM. It comes loaded with advanced features like agents, web search, RAG, MCP, deep research, Connectors to 40+ knowledge sources, and more — 17,886 GitHub stars. Licensed under MIT.

Read full Onyx Community Edition review

Manticore Search: Fast, efficient, and open-source search database. — 11,708 GitHub stars. Licensed under GPL-3.0.

Read full Manticore Search review

AI-powered search and RAG platform that connects to 100+ enterprise tools without data migration. Deploy securely on-premises with any LLM. — 2,981 GitHub stars. Licensed under Apache-2.0.

Read full Swirl Search review

Why Self-Host Instead of AWS Kendra?

  • Data ownership. Your data stays on your server, not on AWS Kendra’s infrastructure.
  • Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
  • No vendor lock-in. Export and migrate your data anytime. You control the database.
  • GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.

Why teams switch from AWS Kendra

  • Data ownership. Your data stays on your server -- not on AWS Kendra's infrastructure.
  • Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
  • No vendor lock-in. Export and migrate your data anytime. You control the database.
  • GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.

Head-to-Head Comparisons

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