An open-source engine that turns continuous content streams into search and monitoring. Durable ingestion, hybrid search, alerts, and plugins for formats, models and business rules.
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🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.
- rust
- infrastructure
- search
- index
Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust
- search-engine
- rust
🔎 Open source distributed and RESTful search engine.
- search
- search-engine
- analytics
- java
Cloud-native OSS search engine for observability
- rust
- log-management
- logs
- tantivy
🌌 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.
- data-structures
- full-text
- search
- typo-tolerance
Elassandra = Elasticsearch + Apache Cassandra
- cassandra
- elasticsearch
- search
- completion
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
- java
- elasticsearch
- full-text-search
- lucene
Search inside documents, code, and even screenshots - instantly and locally. A free, open-source file launcher with OCR, semantic search, and MCP agent access.
- desktop
- file-search
- full-text-search
- local-first
A Modern C++ Data Sciences Toolkit
- nlp
- nlp-parsing
- search-engine
- inverted-index
A library and microservice implementing the health and care terminology SNOMED CT with support for cross-maps, inference, fast full-text search, autocompletion, compositional grammar and the expression constraint language.
- terminology
- snomed-ct
- snomed
- terminology-server