Best Vector Databases GitHub Repositories

Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store.

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

A fast, multi-threaded Redis® and Valkey alternative written in Rust: drop-in compatible, with full-text and vector search built in

ID-based RAG FastAPI: Integration with Langchain and PostgreSQL/pgvector

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based Memory Decay, and MCP server.

OpenSwarm — Autonomous AI dev team orchestrator powered by Claude Code CLI. Discord control, Linear integration, cognitive memory.

A Java math library for OpenGL rendering calculations

Shared Single-file memory layer for all your agents, sub mili-second RAG over text, photo and video on Apple Silicon.. No Server. No API. One File. Pure Swift

An SVG rendering library.

R package for spatial data handling https://rspatial.github.io/terra/reference/terra-package.html

C# .NET NOSQL ( key value, object store embedded TextSearch SemanticSearch Vector layer ) ACID multi-paradigm database management system.

vsag is a vector indexing library used for similarity search.

Java SDK for Milvus.

Local-first AI agent memory with a knowledge graph, ontology constraints, and traceable reasoning—all in one SQLite file.

Vector search engine inside Milvus, integrating FAISS, HNSW, DiskANN.

Self-hosted AI gateway for private RAG, natural-language data access, and tool-calling agents.

Enable SVG uploads and sanitize them to stop XML/SVG vulnerabilities in your WordPress website.

.NET client for Meilisearch

Long-term memory for any AI agent. One Rust binary, offline, 98.2% recall@5 on LongMemEval-S. Self-host free or use Uteke Cloud.

A library that provides objects for scientific computing in PHP.