AnythingLLM is an all-in-one desktop and Docker app for chatting with documents using RAG, running AI agents, and connecting to local or hosted LLMs and vector databases.
65.3k stars7.2k forksMITlast commit Actively maintained
11 self-hosted Amazon Kendra alternatives
Amazon Kendra is an AWS-managed enterprise search service that uses machine learning to index and search documents and data repositories. It provides semantic search, question-answering, relevance tuning, connectors, and APIs for application integration.
Alternatives to Amazon Kendra
Meilisearch is a lightning-fast search engine API for apps and websites, offering typo-tolerant full-text search plus vector and AI-ready hybrid retrieval.
59.1k stars2.7k forkslast commit Actively maintained
Open-source platform for AI chat, RAG, agents, and enterprise search across your team’s connected knowledge sources, compatible with hosted and local LLMs.
31.8k stars4.4k forkslast commit Actively maintained
Typesense is a developer-friendly search engine for instant, typo-tolerant search-as-you-type with faceting, filtering, geo search, and vector/semantic search APIs.
26.5k stars965 forksGPL-3.0last commit Actively maintained
OpenSearch is an Apache 2.0 open source distributed search and analytics engine for indexing, querying, and analyzing large-scale data with REST APIs.
13.6k stars2.9k forksApache-2.0last commit Actively maintained
Manticore Search is a fast open-source search database for full-text, faceted, and vector search with SQL (MySQL protocol) and HTTP JSON APIs.
12k stars641 forksGPL-3.0last commit Actively maintained
Extension for Paperless‑ngx that uses OpenAI-compatible backends and Ollama to auto-classify, tag, index, and enable RAG-powered document chat and semantic search.
5.9k stars327 forksMITlast commit Actively maintained
#8
YaCy is a self-hostable search engine with crawler and indexing, supporting decentralized P2P search, standalone search portals, and intranet/file search.
4k stars495 forkslast commit Actively maintained
#9
Aleph indexes documents and structured datasets to enable fast search, entity extraction, and cross-referencing for investigative research and OSINT workflows.
2.4k stars358 forksMITlast commit Slowing down
#10
Scalable enterprise search platform supporting full-text, vector, faceted and geospatial search with SolrCloud clustering and a web admin UI.
1.7k stars859 forksApache-2.0last commit Actively maintained
#11
Fess is an open-source enterprise search server with a built-in crawler, web-based administration, and OpenSearch/Elasticsearch-backed full-text search.
1.1k stars175 forksApache-2.0last commit Actively maintained
What replacing Amazon Kendra actually involves
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 10 of 11 shipped a commit in the last six months. Licences in this list: MIT, GPL-3.0, Apache-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Search & Indexing Engines.
