Free to list, always.No paid rankings. Every recommendation explains its trade-offs.
OpenSourceChoice

Open-source projects tagged “Search”.

Inspect repositories, licenses, activity, and alternatives across the Search ecosystem.

7 projects connectedTag matches come from repository topics and catalog metadata.
GermanyApache-2.0

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/

Free–CustomPricingFree open source; Qdrant Cloud availableFree–Custom33.3K2.5K28 hours ago

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

Free–CustomPricingFree open source; Typesense Cloud availableFree–Custom26.3K94918 days ago

🔎 Open source distributed and RESTful search engine.

FreePricingFree and open sourceFree13.5K2.8K2 days ago
License not declared

🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.

FreePricingFree and open sourceFree10.5K39913 days ago
MIT

GritQL is a query language for searching, linting, and modifying code.

FreePricingFree and open sourceFree4.5K1241 month ago
Apache-2.0

AI Search & RAG Without Moving Your Data. Get instant answers from your company's knowledge across 100+ apps while keeping data secure. Deploy in minutes, not months.

FreePricingFree and open sourceFree3K28542 hours ago

Postgres change data capture to streams, queues, and search indexes like Kafka, SQS, Elasticsearch, HTTP endpoints, and more

FreePricingFree and open sourceFree2.2K1425 months ago
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