Vector database developer tools
Every listing tagged vector, A to Z: 6 tools across 1 category. Listed in alphabetical order, not ranked.
Chroma
Open-source (Apache-2.0) search infrastructure for AI: vector, full-text and metadata search. Self-host it or use serverless Chroma Cloud, billed per GiB written, stored and queried, with free credits to start.
Glider
Open-source single-node vector database in Rust that makes every acknowledged write durable in S3-compatible storage, with filtered nearest-neighbor search over an HTTP API, a Python client and an MCP memory server for agents.
KiviDB
Open-source (AGPL-3.0), multi-threaded Redis and Valkey alternative written in Rust that speaks RESP2/RESP3, so existing Redis clients work unchanged, with full-text and vector search built in; self-host it or use KiviDB Cloud.
Pinecone
Fully managed vector database: serverless dense, sparse and full-text indexes on AWS, GCP or Azure, with hosted embedding and reranking models, Pinecone Assistant for chat and agent apps, and bring-your-own-cloud on Enterprise. Free Starter plan.
Qdrant
Open-source (Apache-2.0) vector database and search engine written in Rust: filtered vector search you can self-host, or run on Qdrant Cloud on AWS, GCP or Azure with a free 1 GB cluster, usage-based dedicated clusters, and hybrid or private cloud on your own infrastructure.
Weaviate
Open-source (BSD-3-Clause) vector database that stores objects and vectors together, with hybrid search, filtering, multi-tenancy and vector compression. Self-host it or use Weaviate Cloud, which adds hosted embeddings and a Query Agent; free cluster for 100,000 objects.