Database

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

A scalable, distributed, collaborative, document-graph database, for the realtime web

Scalable datastore for metrics, events, and real-time analytics

Search infrastructure for AI

Development at the speed of light

Turso is an in-process SQL database, compatible with SQLite.

Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, code-like database branching, and scale to zero.

🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.

Distributed transactional key-value database, originally created to complement TiDB

Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

open source training courses about distributed database and distributed systems

🐚 A powerful relational ORM for Rust

Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

Event streaming platform for agentic AI. Continuously ingest, transform, and serve event streams in real time, at scale.

Simple, Elastic-quality search for Postgres

the champagne of beta embedded databases

Distributed SQL database in Rust, written as an educational project

The open-source Observability 2.0 database. One engine for metrics, logs, and traces — replacing Prometheus, Loki & ES.

Bear is a tool that generates a compilation database for clang tooling.

The live data layer for apps and AI agents. Create up-to-the-second views into your business, just using SQL

A query and indexing engine for Redis, providing secondary indexing, full-text search, vector similarity search and aggregations.

HelixDB is an OLTP graph-vector database built in Rust.

An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, built-in WebAssembly runtime, realtime subscriptions, auth, and admin UI built on Rust, SQLite & Wasmtime.

PostgreSQL connection pooler, load balancer and database sharder.

A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the best Knowledge Graph for LLM (GraphRAG).

Readyset is a MySQL and Postgres wire-compatible caching layer that sits in front of existing databases to speed up queries and horizontally scale read throughput. Under the hood, ReadySet caches the results of cached select statements and incrementally updates these results over time as the underlying data changes.

🐸 a database tool for the terminal

An embedded key-value database in pure Rust

Postgres rewritten in Rust, now passing 100% of the Postgres regression tests

TypeDB: Built for systems, not records

Seed your development database with real data ⚡️

A course of building an LSM-Tree storage engine (database) in a week.

Convergent, Replicated SQLite. Multi-writer and CRDT support for SQLite

GitQL is a extensible SQL-like query language and SDK to perform queries on various data sources such .git files with supports of most of SQL features such as grouping, ordering and aggregation and window functions and allow customization like user-defined types and functions

A cloud native embedded storage engine built on object storage.

GlueSQL is quite sticky. It sticks to anything.

SQLSync is a collaborative offline-first wrapper around SQLite. It is designed to synchronize web application state between users, devices, and the edge.

A query engine for any combination of data sources. Query your files and APIs as if they were databases!

PostgreSQL in-database durable execution

Skytable is a modern scalable NoSQL database with BlueQL, designed for performance, scalability and flexibility. Skytable gives you spaces, models, data types, complex collections and more to build powerful experiences

Fastest library to load data from DB to DataFrames in Rust and Python

Fast SQL-only data application builder. Automatically build a UI on top of SQL queries.

A graph database written in rust

🗻 Log-structured, embeddable key-value storage engine written in Rust

rust wrapper for rocksdb

🐙 OctoBase is the open-source database behind AFFiNE, local-first, yet collaborative. A light-weight, scalable, data engine written in Rust.

The Feldera Incremental Computation Engine

🦭 Distributed log streaming engine built from first principles