pg_activity is a top like application for PostgreSQL server activity monitoring.

ZeroFS - The Filesystem That Makes S3 your Primary Storage. ZeroFS is 9P/NFS/NBD on top of S3. Initially built for www.merklemap.com

An exabyte-scale, multi-region distributed file system

Log service

Magical Deterministic Simulator for distributed systems in Rust.

✨ The Next Gen Airtable Alternative: No-Code Postgres

The data plane for agents. Arch is a models-native proxy server that handles the plumbing work in AI: agent routing & hand off, guardrails, zero-code logs and traces, unified access to LLMs from Op…

Federated query engine for AI - The only MCP Server you'll ever need

SQLStorm: Taking Database Benchmarking into the LLM Era

🤖 Chat with your SQL database 📊. Accurate Text-to-SQL Generation via LLMs using Agentic Retrieval 🔄.

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

A portable embedded database using Arrow.

A high-performance distributed file system designed to address the challenges of AI training and inference workloads.

A cloud native embedded storage engine built on object storage.

Apache DataFusion SQL Query Engine

The transactional Elasticsearch alternative built on Postgres

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

DuckDB is an analytical in-process SQL database management system

𝗔𝗜-𝗡𝗮𝘁𝗶𝘃𝗲 𝗗𝗮𝘁𝗮 𝗪𝗮𝗿𝗲𝗵𝗼𝘂𝘀𝗲. Blazing analytics, fast search, geo insights, vector AI. Built for multimodal analytics, Open-source Snowflake alternative. https://databend.com

CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.

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

Apache Doris is an easy-to-use, high performance and unified analytics database.

Placement driver for TiKV

Distributed SQL database in Rust, written as an educational project

The most comprehensive database of Chinese poetry 🧶最全中华古诗词数据库, 唐宋两朝近一万四千古诗人, 接近5.5万首唐诗加26万宋诗. 两宋时期1564位词人，21050首词。

PostgreSQL pooler with sharding, load balancing and failover support.

A distributed transactional large-scale NoSQL database powered by TiKV

Kubernetes IN Docker - local clusters for testing Kubernetes

Arana is a Cloud Native Database Proxy. It can also be deployed as a Database mesh sidecar.

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 t…