Open source. Open possibilities.

OpenSearch is an open-source, enterprise-grade distributed search and observability suite designed to manage unstructured data at scale.

Typesense is a fast, typo-tolerant, in-memory fuzzy search engine designed as an open-source alternative to Algolia and a simpler alternative to Elasticsearch.

An all-in-one AI framework for semantic search, LLM orchestration, and language model workflows.

AH Crawler是用于网站搜索和分析的开源工具，支持PHP环境运行。

A lightning-fast search engine API providing AI-powered hybrid search, typo tolerance, and search-as-you-type capabilities for websites and applications.

Qdrant is a high-performance vector similarity search engine and database written in Rust, designed for AI applications requiring semantic search and large-scale vector management.

SearXNG is a free, privacy-respecting metasearch engine that aggregates results from multiple search services and databases without tracking or profiling users.

Elasticsearch is a distributed, RESTful search and analytics engine and vector database. It supports full-text, vector, and hybrid search, logs, metrics, APM, security analytics, and RAG use cases. Includes quick local Docker setup, APIs, and Kibana.

WP Statistics is a privacy‑friendly analytics plugin for WordPress that stores all visitor data locally, complies with GDPR, CCPA and other regulations, and offers real‑time dashboards, geographic and device reports, custom post‑type tracking, and a range of premium add‑ons.

ParadeDB is a Postgres extension that integrates full-text search, vector retrieval, and analytics into a single database.