---
title: "USearch"
type: "tool"
slug: "unum-cloud-usearch"
canonical_url: "https://www.graphcanon.com/tools/unum-cloud-usearch"
github_url: "https://github.com/unum-cloud/USearch"
homepage_url: "https://unum.cloud/usearch"
stars: 4207
forks: 331
primary_language: "C++"
license: "Apache-2.0"
archived: false
categories: ["vector-databases", "computer-vision"]
tags: ["clustering", "kann", "full-text-search", "approximate-nearest-neighbor-search", "database", "fuzzy-search", "faiss", "image-search"]
updated_at: "2026-07-12T07:30:25.6626+00:00"
---

# USearch

> Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍

Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍

## Facts

- Repository: https://github.com/unum-cloud/USearch
- Homepage: https://unum.cloud/usearch
- Stars: 4,207 · Forks: 331 · Open issues: 92 · Watchers: 49
- Primary language: C++
- License: Apache-2.0
- Last pushed: 2026-07-10T18:39:13+00:00

## Trust & health

_Signals computed from public GitHub metadata. Not a security guarantee._

- Maintenance: Very active (computed 2026-07-11T11:33:10.437Z)
- Security scan: No lockfile (0 critical, 0 high, 0 medium, 0 low) · last scan 2026-07-11T11:33:10.978Z
- Full report: [trust report](/tools/unum-cloud-usearch/trust.md) · [JSON](https://www.graphcanon.com/api/graphcanon/tools/unum-cloud-usearch/trust)

## Categories

- [Vector Databases](/categories/vector-databases.md)
- [Computer Vision](/categories/computer-vision.md)

## Tags

clustering, kann, full-text-search, approximate-nearest-neighbor-search, database, fuzzy-search, faiss, image-search

## Category neighbours (exploratory)

_Same-category tools for discovery only - not curated alternatives. Cap shown at six._

- [llm-app](/tools/pathwaycom-llm-app.md) - Ready-to-run cloud templates for RAG, AI pipelines, and enterprise search with live data. (★ 59,068) [Very active]
- [meilisearch](/tools/meilisearch-meilisearch.md) - A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications. (★ 58,493) [Very active]
- [pgvector](/tools/pgvector-pgvector.md) - Open-source vector similarity search for Postgres (★ 22,149) [Very active]
- [txtai](/tools/neuml-txtai.md) - All-in-one AI framework for semantic search, LLM orchestration and language model workflows (★ 12,715) [Active]
- [paper-qa](/tools/future-house-paper-qa.md) - High accuracy RAG for answering questions from scientific documents with citations (★ 8,848) [Active]
- [deep-searcher](/tools/zilliztech-deep-searcher.md) - Open Source Deep Research Alternative to Reason and Search on Private Data. Written in Python. (★ 7,941) [Slowing]

_+ 2 more not listed._

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/tools/unum-cloud-usearch`](/api/graphcanon/tools/unum-cloud-usearch)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_