# Qdrant

> Qdrant is an Apache-2.0 vector search engine written in Rust, founded in Berlin in 2021 by Andre Zayarni and Andrey Vasnetsov; it combines HNSW indexing with payload filtering and is offered as Qdrant Cloud, Hybrid and Private deployments.

Rust vector search engine with HNSW and payload filtering, used for agent memory.

- **Category:** Memory & State
- **License:** Apache-2.0
- **Language:** Rust
- **Self-hosted:** Yes
- **GitHub stars:** 34923 (2026-10-04)
- **Repository:** https://github.com/qdrant/qdrant
- **Last verified:** 2026-10-04

Source: https://agent.c8.fit/tools/qdrant/