Open Source Alternatives to ElasticSearch

Trieve

MIT

Trieve offers an all-in-one solution for search, recommendations, and RAG with automatic continuous improvement based on user feedback.

Chroma

Apache-2.0

Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.

Orama

Unknown

Blend full-text and semantic search for unlimited queries across 300 global locations. Get precise answers and matches at a flat rate, no matter your search volume.

Swirl Search

Apache-2.0

AI-powered search and RAG platform that connects to 100+ enterprise tools without data migration. Deploy securely on-premises with any LLM.

Gigapipe

AGPL-3.0

Unified platform for logs, metrics, traces and profiles with native compatibility for popular tools like OpenTelemetry, Prometheus, and Loki. No data silos, no usage limits.

Manticore Search

GPL-3.0

Open source search database delivering 2.83x faster performance than Elasticsearch. Features vector search, SQL interface, and full-text capabilities.

Meilisearch

MIT

A powerful, fast, and easy-to-use search engine that delivers instant and relevant results for your websites and applications.

OpenSearch

Apache-2.0

Community-driven, Apache 2.0-licensed search and analytics suite for ingesting, searching, visualizing, and analyzing data at scale with AI/ML capabilities.

Quickwit

Apache-2.0

High-performance search engine designed for big data, offering scalability, real-time indexing, and cost-effective operations.

Typesense

GPL-3.0

Open-source search solution offering blazing speed, typo tolerance, and effortless scalability for developers and businesses.

HelixDB

Apache-2.0

Rust-built native graph-vector database combining vector similarity search and graph traversals. 10x faster development with unified architecture, sub-1ms queries.