Best Open Source Alternatives to AWS Kendra

Compare the best free and open-source alternatives to AWS Kendra — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 2 alternatives

AWS Kendra

Proprietary SaaS

AWS Kendra alternatives compared

Open-source alternatives to AWS Kendra, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Elasticsearch	78,473	—	Web	No	Nov 2026	Visit
Swirl Search	3,051	Apache-2.0	DockerLinux	Yes	Oct 2026	Visit

Top open-source AWS Kendra alternatives

Elasticsearch78,473

Elasticsearch replaces hosted search APIs like Algolia with self-managed Lucene indexing, vector search, and analytics for predictable cluster costs.

Web

vs AWS Kendra: a free, open-source option you fully control.

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Edgar Sipki

Go & gRPC engineer · founder of EasyP

Promoted

Mentoring for backend developers. Consulting for startups.

Go, gRPC and Protobuf done right, LLM agents in production, and the hard parts of shipping a first product.

GogRPCProtobufLLM agents

sipki.online

Speaker at HighLoad++, GolangConf, AI Conf, DevOpsConf
Helped launch 7+ startups
Maintainer of EasyP, the open-source Protobuf toolkit

Swirl Search3,051Apache-2.0

Swirl Search is a self-hosted alternative to ElasticSearch and Coveo that queries internal apps live without copying data into a centralized index.

DockerLinux

vs AWS Kendra: a free, open-source option you fully control, licensed Apache-2.0.

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