Qdrant

Qdrant is an open-source vector database and managed cloud platform for building AI applications that need fast semantic search and retrieval. Developers use it to store embeddings, search by meaning, and power RAG systems, recommendation engines, AI agents, memory layers, and advanced search products. For SaaS founders and technical teams, Qdrant is useful when a product needs to retrieve relevant context before calling an LLM. It can support internal knowledge assistants, support bots, research tools, legal search, ecommerce recommendations, and agent workflows that depend on accurate similarity search. Qdrant can be self-hosted or used through Qdrant Cloud. The cloud pricing page includes a free tier for testing and prototypes, a usage-based standard tier for production workloads, and premium or enterprise options for additional uptime, security, and compliance requirements. For FutureStack, Qdrant is a strong Developer Tools listing because vector search is one of the most important infrastructure layers for AI products. It is best for developers and founders building production RAG, semantic search, recommendation, and agent systems.