Find the best open source search solutions to power your applications! Index, store & retrieve data efficiently. Improve site search and accelerate discovery.
Analytics · Databases · Search
Real-time analytics database built for massive scale and speed
Analytics · Databases · Search
Snowflake + Elasticsearch + Vector DB, rebuilt in Rust and native on S3
AI Development · Data Engineering · Search
AI-powered web data extraction for LLMs — crawl, scrape, map, and search the web with one API.
Databases · File Storage · Search
Private cloud storage with AI search for files, images, and videos
Analytics · Monitoring · Search
Visualize and analyze Elasticsearch data with interactive dashboards
Databases · Search
AI-powered search with typo tolerance, faceting, and geosearch—deploy in minutes.
AI Assistants · AI Development · Search
Build AI agents and chat apps with RAG, web search, and enterprise security—self-hosted or cloud.
Databases · Search
Embeddable search with vector, hybrid, and RAG capabilities in under 2KB
Search
Scan, index, and archive all your documents with OCR-powered search
AI Assistants · Search
100% private AI for your documents—no data leaves your system.
Databases · Search
Production-ready vector search engine for AI applications
Analytics · Monitoring · Search
Fast, cost-effective search for logs and traces on cloud storage
Search
Privacy-first metasearch engine — no tracking, no profiling.
AI Assistants · Search · Security
Find person profiles across 1000+ social media platforms with AI-powered detection and metadata extraction
Databases · Search
Microsecond search backend with auto-complete and typo correction—lighter than Elasticsearch.
Authentication · Databases · Developer Tools
PostgreSQL-based Firebase alternative with real-time APIs, auth, and AI vector support
AI Assistants · Search
Open source AI research assistant with RAG, team collaboration, and local LLM support
Data Engineering · Databases · Search
AI Search Without Moving Data — Deploy in Minutes
Data Engineering · Search
SQL for stream processing — no JVM, zero dependencies, ClickHouse-powered.
AI Assistants · Databases · Search
Self-hostable AI search engine with RAG, recommendations, and hybrid vector search
Databases · Developer Tools · Search
Open-source Algolia & Elasticsearch alternative with built-in semantic and vector search
Data Engineering · Databases · Search
Vector database with hybrid search, RAG, and production-grade scalability
The Search category encompasses applications designed to index, store, and retrieve information efficiently. These tools are critical for any system dealing with significant amounts of data where rapid access is a requirement.
Key features commonly found in these applications include:
Open source search solutions are valuable for a wide range of use cases. They power site search on websites, enable document retrieval within organizations, facilitate e-commerce product discovery, and are core components of many data analytics pipelines. They solve the problem of information overload, making it easier for users to access the data they need quickly and reliably. Choosing an open source solution provides flexibility, control over data privacy, and the ability to customize functionality for unique requirements.