Data

The most comprehensive SQL guide from a real-world expert! Learn everything from basics to advanced queries, optimizations, and real-world SQL

Official home of the DB Browser for SQLite (DB4S) project. Previously known as "SQLite Database Browser" and "Database Browser for SQLite". Website at:

Token Efficiency For AI Agents

Home of the Open Data Contract Standard (ODCS).

The open-source reactive database for app developers

Fast, accurate and scalable probabilistic data linkage with support for multiple SQL backends

A fast, keyboard-first database client built with Rust and GPUI.

One browser tab for PostgreSQL, MySQL, Oracle, SQL Server, MongoDB, Redis, SQLite, Couchbase, ClickHouse, Druid, DuckDB, Turso and more. An open-source SQL IDE with SSO, audit trail and AI-assisted queries MIT licensed, with nothing held back behind an enterprise wall.

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

The memory & storage database engine for AI agents. Multi-model, edge-to-cloud, PostgreSQL-compatible. Supports graph, vector, array, timeseries.

The fastest business intelligence tool for humans and agents.

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

Business intelligence as code: build fast, interactive data visualizations in SQL and markdown

Python Stream Processing

A list of useful resources to learn Data Engineering from scratch

Modern SQL and NoSQL database client for Neovim

Always know what to expect from your data.

REST API for any Postgres database

The fastest unified streaming SQL Engine in a single C++ binary. ⚡ Millisecond latency. 100+ GB/s throughput. Continuously compute stateful context from streams, logs, metrics, events, and CDC.

Drop-in Apache Spark replacement written in Rust, unifying batch processing, stream processing, and compute-intensive AI workloads.

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

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).

A curated list of awesome big data frameworks, ressources and other awesomeness.

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

Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.

MiniBank - Simulation bancaire en C++

The Data Engineering Cookbook

Logical Replication extension for PostgreSQL 17, 16, 15, 14, 13, 12, 11, 10, 9.6, 9.5, 9.4 (Postgres), providing much faster replication than Slony, Bucardo or Londiste, as well as cross-version upgrades.

libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

ClickBench: a Benchmark For Analytical Databases

A Minimalistic Wrapper for IndexedDB

In-memory key-value server in Rust that speaks RESP, so redis-cli and Redis clients connect. Locks, rate limits, job queues and a change feed are single commands; Raft-based failover. Clients for Rust, .NET, Go, Java, Python and Node.js.

Fast, Simple and a cost effective tool to replicate data from Postgres to Data Warehouses, Queues and Storage

The fully open-source DuckDB workbench that runs in your browser. SQL editor, notebooks, charts, AI assistant. No install, no signup, no backend — your data never leaves the tab.

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

Postgres intelligence for ai agents

Writing a sqlite clone from scratch in C

OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.

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

High-performance data engine for AI and multimodal workloads. Process images, audio, video, and structured data at any scale

DuckDB extension to read and write to SQLite databases

Meltano: the declarative code-first data integration engine that powers your wildest data and ML-powered product ideas. Say goodbye to writing, maintaining, and scaling your own API integrations.

ingestr is a CLI tool to copy data between any databases with a single command seamlessly.

Supercharge BigQuery with BigFunctions

📚 Papers & tech blogs by companies sharing their work on data science & machine learning in production.

A data engineering project with Kafka, Spark Streaming, dbt, Docker, Airflow, Terraform, GCP and much more!

EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.

🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.

Dadbod Grip turns database tables into editable Vim buffers, with schema browsing, staged mutations, generated SQL, relationship navigation, and cross-database federation inside Neovim.

Postgres CLI with autocompletion and syntax highlighting