Data

End-to-end streaming data platform on AWS: Kafka → Iceberg lake → Kimball model → Athena, orchestrated with Airflow 3. Terraform, Glue PySpark, dbt.

Turn any folder into a Notion-style database — 7 views, 17 column types, formulas, relations, rollups, and subtasks. All stored in plain Markdown frontmatter.

Modern documentation site generator for dbt Core — lineage explorer, health scoring, full-text search. Live demo: https://demo.docglow.com

📖 Data Engineering from Raw Corpora

Discover, mask, and verify sensitive data in SQL databases — an auditable scan → mask → validate workflow for safe database copies.

relational database stored in discord guilds

MAC address manufacturer lookup database combining IEEE, Nmap, Wireshark and HDM Mac-Tracker, with downloadable formats and a browser lookup. https://ringmast4r.github.io/OUI-Master-Database/

Native lakehouse experience in Postgres powered by DuckDB & DuckLake

A modern, open-source database client for desktop and web.

Extract a slice of your production database to reproduce bugs locally. Point dbslice at a record, it follows foreign keys and gives you a complete, importable subset

Production-grade SQL gateway in front of DuckDB Quack + DuckLake + Iceberg. Multi-tenant pools, pluggable auth (DB/JWT/OIDC), table-level ACLs, role-aware routing, and a live admin console

从数据到智能：企业级数据平台的构建、演进与 Agentic BI 实践。一个数据开发的八年数据工程手记：从 0 到 1 构建企业级医药数据平台，再到 Data + AI 转型下的 Agentic BI。

Interactive Emacs database client for MySQL, PostgreSQL, SQLite, MongoDB, Redis, and JDBC.

Datos públicos de Chile curados, normalizados y validados: geografía, demografía, economía, salud, educación y distritos electorales. Listos para consumir en una línea de código con Polars, DuckDB, SQLite y Excel.

Observability platform for Digital Employee, providing real-time tracing, session insights, and cost analysis for multi-agent workflows

DuckDB extension for Microsoft SQL Server (TDS + TLS), with catalog integration and pushdown.

The Boring query platform - Connect and query anything

Zero-config entity resolution feeding a durable identity layer: messy records from any source become stable golden entities, a Customer 360 with provenance, merge/split and audit. Fellegi-Sunter beats hand-tuned Splink. Arrow-native/Rust, 250M rows in 11.2 min. Python + edge TypeScript (WASM), SQL-native in Postgres & DuckDB, 97 MCP tools + REST.

Skills related to Data Engineering Work for Claude Code

A modern, lightweight database management tool. Create, manage, and run multiple database instances locally with an intuitive interface.

Pivot is a high-performance real time analytics database on open data formats.

AI-native cross-platform database workbench for developers and data teams.

Type-safe SQL query builder. Zero dependencies, AST-first, hookable, tree-shakeable. Pure TypeScript.

Servidor MCP e CLI para localizar empresas brasileiras por CNAE e região, utilizando dados abertos de CNPJ da Receita Federal.

Token Efficiency For AI Agents

A cognition aware database engine for AI agent memory. Purpose built in Rust with WAL, HNSW, knowledge graphs, and speculative context pre assembly. Not a wrapper, a ground up storage engine that thinks.

A simple Python CLI to download Garmin Connect data as local files and load them into a SQLite database for analysis

Pure-Go SQLite, no cgo. Official mirror of gitlab.com/cznic/sqlite — issues and PRs welcome here.

Linter for dangerous Postgres migration patterns in Diesel and SQLx. Prevents downtime caused by unsafe schema changes.

The open-source pulse on software across Greece

Apache Phoenix Adapters

🐬 Beginner-to-advanced MySQL course — filtering, joins, subqueries, window functions, CTEs & more. Hands-on guides with copy-paste SQL on one sample database. 🎥 Full video walkthrough on YouTube.

A robust, configuration-driven ETL and data import framework for Laravel. Handles CSV/Excel streaming, queues, validation, and relationships.

Complete structured archive of every CIA World Factbook edition from 1990-2025. 281 countries, 36 years, 1M+ parsed data fields in SQL Server. Python ETL scripts included. Website created to allow users to explore the data without downloading. www.worldfactbookarchive.org

A Scala 3 web framework. Direct-style. The case class is the source of truth. Deploy with one command.

Lightweight GPL-3.0 desktop database client (PostgreSQL / MySQL / SQLite / Redis). Built with Tauri + Rust, under 15MB.

Fast, distributed per-aggregate event log with strict ordering and optimistic concurrency control.

Microsoft Fabric Unified Data Foundation with Databricks & Purview 2026

MCP server for 200M+ patents, scientific literature, chemistry and pharma records. Search prior art and R&D intelligence powered by PatSnap's proprietary databases via Claude, Cursor and MCP-compatible clients.

Backend Engineering, Low-Level Design, System Design, Networking, Security, SQL, and Distributed Systems explained through visual diagrams.

Open-source text-to-SQL engine you tune and measure on your own database

Free Open-source AI SQL client that helps developers and data teams explore databases using natural language.

OpenFGA-to-PostgreSQL authorization compiler. Generates specialized SQL functions from .fga schemas that query your existing tables. Zero sync, always consistent.

Dex lets your agent build your analytics.

Scan-to-Practice: a field-tested AI skill and methodology for turning scanned learning materials into structured practice products.

Application-level quota management for Laravel with calendar periods, Eloquent integration, middleware, and multiple storage backends.

A graph database provides Cypher query, fluent builder and management UI implemented in Golang.

Terminal database client with AI chat and an MCP server

View SQLite databases

Data streaming runtime focused on performance, consistency, and extensibility. Write plugins in Rust or WASM and process data with data guarantees.