Tag
17 catalogue entries use this topic; each Project's license policy is labeled separately.
Distributed search and analytics engine with vector search
Elasticsearch is a distributed search and analytics engine for near-real-time full-text, vector, hybrid, and geospatial search.
Open-source vector database for GenAI search at billion scale
Milvus is an Apache-2.0 open-source vector database that stores and indexes embedding vectors for millisecond similarity search over very large collections.
Open-source vector database for AI search at any scale
Qdrant is an Apache-2.0 open-source vector database written in Rust that serves filtered similarity search over embedding collections for AI retrieval.
Self-hosted bookmark-everything app with AI tagging and search
Karakeep is a self-hosted, open-source bookmark-everything app that saves links, notes, images, and PDFs and automatically tags them with AI.
Open-source vector database for AI search and retrieval
Chroma is an open-source vector database for AI retrieval, storing embeddings with metadata and serving vector, full-text, and regex search in one query.
Fast, typo-tolerant open-source search engine
Typesense is a fast, typo-tolerant open-source search engine for site, app and store search, with faceting, geo and vector search behind a clean API.
Apache 2.0 search and analytics suite with AI-ready retrieval
OpenSearch is an Apache 2.0 search and analytics suite for ingesting, searching, visualizing, and analyzing data at scale, with vector search for AI applications.
Open-source database for full-text, vector, and hybrid search
Manticore Search is an open-source database engine for full-text, vector, and hybrid search with real-time indexing and a SQL-first interface.
Cloud-native search engine for logs on object storage
Quickwit is an open-source, cloud-native search engine built for log management and analytics directly on object storage, written in Rust on top of Tantivy.
Embeddable full-text, vector, and hybrid search for JavaScript apps
Orama is an Apache-2.0 search engine that runs in the browser, server, or edge network with full-text, vector, and hybrid search plus a RAG answer engine.
Rust warehouse for SQL analytics, search, and AI on object storage
Databend is a self-hosted cloud-native warehouse that runs SQL analytics, full-text search, and vector search in one Rust engine on object storage.
Open-source graph database with native vector and full-text search
HelixDB is an open-source graph database with native vector and BM25 full-text search, built in Rust on object storage for combined graph, semantic, and keyword queries.
Open-source document archiving with search, tags, and email ingestion
Papra is an open-source document archiving platform that organizes files with tags, full-text search, and email ingestion, self-hosted or in the cloud.
Distributed SQL database for live operational analytics
CrateDB is a self-hosted distributed SQL database for real-time analytics over time-series, JSON, full-text, vector, and geospatial data.
Sub-millisecond vector and full-text search in Rust
SeekStorm is an open-source vector and lexical search engine in Rust, shipped as an in-process library and a multi-tenant server with a REST API.
Private macOS app to capture pages, notes, and images with full-text search
Capd is a private macOS app for saving web pages, text selections, notes, links, and images into a local library with full-text search.
Bookmark manager with collections, full-text search, and web archive
Raindrop.io is a bookmark manager that keeps saved links, files, and highlights in searchable collections with tags and filters.