AI Agent Skills

AI frontend specialist and design consultant that guides users through a structured discovery process before generating any code. Collects visual references, design toke…

One framework to develop, deploy and operate data workflows with Python and SQL.

Apache flink

Local-first ETL/ELT studio: a drag-and-drop visual pipeline designer that compiles to SQL and runs on DuckDB. Tiny desktop app, no servers, git-friendly workspaces.

Ahead of Time Data Repositories

A validating SQL lexer and parser with a focus on MySQL dialect.

RadonDB is an open source, cloud-native MySQL database for building global, scalable cloud services

【在线免费使用】 简单快速将SQL或DBML转换为美观的ER图（概念ER模型）/ The best SQL to ER Diagram converter.

3D City Database - The Open Source CityGML Database

A type-safe, high-level SQL library for Haskell

Open-source graph database superpowers for your existing Postgres data.

LeafWiki - Self-hosted wiki. Single Go binary, SQLite, Markdown on disk. No external database required.

Use when the user needs something that ships outside cognee core — community database adapters (Qdrant, Milvus, Weaviate, Redis, Pinecone, FalkorDB, Memgraph, DuckDB, Ne…

Use PRQL in PostgreSQL

A double entry ledger implementation in PostgreSQL

Exercises for beginners to learn SQL