Open Source Projects tagged "Semantic Search"
A curated collection of the best open source projects tagged "Semantic Search". Each listing includes a website screenshot along with a detailed review of its features.
Lightning-fast search for your applications
Stars
59,793Last commit
19 hours agoLicense
MIT
A powerful, fast, and easy-to-use search engine that delivers instant and relevant results for your websites and applications.
Open Source Alternative to:
AI second brain for research, automation, and personal agents
Stars
38,007Last commit
3 months agoLicense
AGPL-3.0
Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.
Open Source Alternative to:
Lightning-fast, typo-tolerant search engine for all
Stars
27,091Last commit
2 days agoLicense
GPL-3.0
Open-source search solution offering blazing speed, typo tolerance, and effortless scalability for developers and businesses.
Open Source Alternative to:
AI-native vector database for intuitive applications
Stars
16,939Last commit
10 hours agoLicense
BSD-3-Clause
Open-source vector database designed for building powerful, production-ready AI applications with hybrid search capabilities and flexible deployment options.
Open Source Alternative to:
Ultra-fast data transformation for AI with lineage
Stars
11,826Last commit
11 hours agoLicense
Apache-2.0
Open-source ETL framework built in Rust for AI workloads. Features incremental processing, data lineage, and observability tools for semantic search and RAG applications.
Open Source Alternative to:
Full-text search API with real-time indexing and crawling
Stars
1,935Last commit
5 days agoLicense
Apache-2.0
Cloud search API and crawler service supporting billions of documents, real-time indexing, autocomplete, faceted filtering, and multi-language text across any application.
Open Source Alternative to:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
Sent