Database

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

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

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/

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

Search infrastructure for AI

Development at the speed of light

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.

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

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.

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.

the champagne of beta embedded databases

Simple, Elastic-quality search for Postgres

Distributed SQL database in Rust, written as an educational project

15MB, lightweight, cross-platform database client. Supports MySQL, PostgreSQL, SQLite, Redis, MongoDB, DuckDB, ClickHouse, SQL Server and more.15MB，轻量级跨平台数据库客户端、数据库管理工具。支持 MySQL、PostgreSQL、SQLite、Redis、MongoDB、DuckDB、ClickHouse、SQL Server 等。

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

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

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

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.

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.

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

An embedded key-value database in pure Rust

Seed your development database with real data ⚡️

PostgreSQL connection pooler, load balancer and database sharder.

TypeDB: Built for systems, not records

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

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!

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

rust wrapper for rocksdb

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

PostgreSQL in-database durable execution

🐙 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

SeekStorm: vector & lexical search - in-process library & multi-tenancy server, in Rust.

🦭 Distributed log streaming engine built from first principles

A vector indexing library to bring fast, fresh and filtered search to your database

An educational OLAP database system.

Gossip-based service discovery (and more) for large distributed systems.

A cloud-native open source distributed time series database with high performance, high compression ratio and high availability.