A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
- search-engine
- typo-tolerance
- site-search
- database
Repository Index
59,132 visible repositories in the index
1–24 of 26 · Most stars
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/
- neural-network
- search-engine
- knn-algorithm
- hnsw
Search infrastructure for AI
🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.
- rust
- infrastructure
- search
- index
📊 Cube Core is open-source semantic layer for AI, BI and embedded analytics
- analytics
- cube
- postgresql
- mysql
AI search engine and MCP server for bots and agents. One Rust binary indexes code, docs, logs, JSONL/CSV and PDFs for BM25 full-text, vector and hybrid search, code search without grep, agent memory and RAG. Elasticsearch-compatible API; Corpus Hub serves hundreds of reference memory corpora.
- elasticsearch
- hybrid-search
- search-engine
- vector-search
A vector index built on TurboQuant, written in Rust with Python bindings
- ann
- avx512
- embeddings
- faiss
Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust
- search-engine
- rust
Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.
- approximate-nearest-neighbor-search
- image-search
- nearest-neighbor-search
- recommender-system
Cloud-native OSS search engine for observability
- rust
- log-management
- logs
- tantivy
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
- sparse-vector
- hybrid-search
- bm25
- full-text-search
Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.
- rust
- database
- serverless
- bigdata
Open Lakehouse Format for Multimodal AI. Convert from Parquet in 2 lines of code for 100x faster random access, vector index, and data versioning. Compatible with Pandas, DuckDB, Polars, Pyarrow, and PyTorch with more integrations coming..
- machine-learning
- computer-vision
- data-format
- deep-learning
Postgres with GPUs for ML/AI apps.
- ml
- machine-learning
- ai
- ann
The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.
- cloud-native
- rust
- metrics
- logs
HelixDB is an OLTP graph database with native vector and full-text search built in Rust on Object Storage.
A query and indexing engine for Redis, providing secondary indexing, full-text search, vector similarity search and aggregations.
- redis
- redis-module
- search
- search-engine
Static low-bandwidth search at scale
A full-text search engine in rust
- search
- search-engine
- indexing
- rust
The open source and enterprise-ready webhooks service 🦀
- webhooks
- rust
- webhook-server
- webhook-service
🔍 Tiny, full-text search engine for static websites built with Rust and Wasm
- bloom-filter
- static-site
- search-engine
- wasm
:rocket: An open source alternative to searx which provides a modern-looking :sparkles:, lightning-fast :zap:, privacy respecting :disguised_face:, secure :lock: meta search engine
- meta-search-engine
- rust
- search-engine
- fast
A fast, multi-threaded Redis® and Valkey alternative written in Rust: drop-in compatible, with full-text and vector search built in
- database
- drop-in-replacement
- in-memory
- kividb
PGX — Lightweight Postgres for AI agents. Written in Rust. Thousands of isolated databases in one runtime🐘