Elasticsearch
Free and Open Source, Distributed, RESTful Search Engine
Filament plugins, Laravel packages and open source starter kits actively maintained. All MIT, with releases for v3, v4 and v5 where applicable.
Free and Open Source, Distributed, RESTful Search Engine
Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/
Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences
Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust
A lightweight, lightning-fast, in-process vector database
A query and indexing engine for Redis, providing secondary indexing, full-text search, vector similarity search and aggregations.
Local-first web intelligence MCP server for AI coding agents
Your own search engine
A fully featured full text search engine written in PHP
Autonomous (self-hosted) BitTorrent DHT search engine suite.
All packages have CI, Pest tests and open issues tagged good first issue.
New version available.