Category: DATABASES, OPEN SOURCE DATABASES, NEWSQL, VECTOR DATABASES, RDBMS- Free Software

SurrealDB is an open source multi-model database that supports relational, document, graph, and vector data in a single platform using a unified query language (SurrealQL). It is designed for modern applications that require multiple...

DuckDB is an open source, in-process analytical SQL database designed for fast analytical queries directly on local files including Parquet, CSV, and JSON, as well as data frames in Python and R. It requires...

Neon is an open source serverless PostgreSQL platform featuring database branching — the ability to create instant, copy-on-write branches of a database for development, testing, and CI/CD workflows. Neon separates storage and compute, enabling...

TiDB is an open source distributed SQL database featuring hybrid transactional and analytical processing (HTAP) capabilities in a single system. It is MySQL-compatible, horizontally scalable, and designed for applications requiring both real-time OLTP and...

YugabyteDB is an open source distributed SQL database fully compatible with PostgreSQL. It is designed for cloud-native applications requiring horizontal scalability, geo-distribution, and high availability with ACID compliance. YugabyteDB supports both the PostgreSQL wire...

LanceDB is an open source vector database built on the Lance columnar storage format, designed for multimodal AI data including text, images, video, and audio. It is serverless, embeddable, and integrates with Python data...

Chroma is an open source AI-native embedding database designed specifically for building LLM applications and AI agents. It provides a simple Python and JavaScript API for storing, querying, and managing embeddings, and integrates directly...

Weaviate is an open source vector database with built-in support for multiple machine learning model integrations, multi-modal search, and hybrid search combining vector and keyword approaches. It features a GraphQL-based query interface and native...

Milvus is an open source vector database built for scalable similarity search in AI applications. It is a graduated project of the LF AI & Data Foundation and supports billion-scale vector search with high...

Qdrant is an open source vector similarity search engine and database written in Rust. It is designed specifically for AI applications requiring high-performance semantic search, recommendation systems, and retrieval-augmented generation. Qdrant supports filtering, payload...