An open-source engine that turns continuous content streams into search and monitoring. Durable ingestion, hybrid search, alerts, and plugins for formats, models and business rules.
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1–12 of 12 · Most stars
Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.
- search-engine
- search
- mysql
- sphinxsearch
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
- sparse-vector
- hybrid-search
- bm25
- full-text-search
Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.
- rust
- database
- serverless
- bigdata
Apache Lucene and Solr open-source search software
- lucene
- solr
- search
- nosql
Apache Lucene open-source search software
- lucene
- search
- nosql
- java
The AI-Native Search Database. Best for agent storage, it unifies vector, text, structured, and semi-structured data into a single engine. This all-in-one database makes agents smarter, easier to run, and more stable.
- mysql
- embedded-database
- ai-agents
- copy-on-write
All-in-one platform for search, recommendations, RAG, and analytics offered via API
- actix-web
- diesel
- postgresql
- qdrant
Elassandra = Elasticsearch + Apache Cassandra
- cassandra
- elasticsearch
- search
- completion
Apache Solr open-source search software
- lucene
- solr
- search
- nosql
Lightning-fast file system indexer and search tool
A fast, multi-threaded Redis® and Valkey alternative written in Rust: drop-in compatible, with full-text and vector search built in
- database
- drop-in-replacement
- in-memory
- kividb