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Observability and enforcement for AI agent harnesses. Capture every run and runtime reliability with policy enforcement.

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).

Learn System Design concepts and prepare for interviews using free resources.

25 MB lightweight cross-platform database client for 100+ databases, including MySQL, PostgreSQL, SQLite, Redis, MongoDB, DuckDB, SQL Server, and Dameng. Built-in AI, MCP Server, CLI, desktop and Docker.

The Bitwarden Server project contains the APIs, database, and other core infrastructure items needed for the "backend" of all bitwarden client applications.

Python - 100天从新手到大师

Beads provides a persistent, structured memory for coding agents. It replaces messy markdown plans with a dependency-aware graph, allowing agents to handle long-horizon tasks without losing context.

Data Engineering Zoomcamp is a free 9-week course on building production-ready data pipelines. Join the course here 👇🏼

1,324-exercise fitness dataset — animation GIFs, 180×180 thumbnails, muscle-group & equipment data, and step-by-step instructions in 6 languages. The exercise data layer behind the LogPress app.

Apache Superset is a Data Visualization and Data Exploration Platform

The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.

DuckDB is an analytical in-process SQL database management system

Django is a high-level Python web framework that encourages rapid development and clean, pragmatic design. Thanks for checking it out.

Free multi-platform database tool for developers, SQL programmers, database administrators and analysts.

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

drawio, conflict-aware synchronization that preserves a manually tuned layout, and architecture → policy/views/what-if/accessible Story. Every artifact is regenerated by one script and verified in the test suite.

🔥🔥超过1000本的计算机经典书籍、个人笔记资料以及本人在各平台发表文章中所涉及的资源等。书籍资源包括C/C++、Java、Python、Go语言、数据结构与算法、操作系统、后端架构、计算机系统知识、数据库、计算机网络、设计模式、前端、汇编以及校招社招各种面经

Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.

frame objects, statistical functions, and much more

Azure Cloud Advocates at Microsoft are pleased to offer a 10-week, 20-lesson curriculum all about Data Science. Each lesson includes pre-lesson and post-lesson quizzes, written instructions to complete the lesson, a solution, and an assignment.

SurrealDB is a multi-model database built in Rust designed to unify multiple data models into a single engine.

Database governance built for humans and agents — controlling changes and access across every major database.

ClickHouse® is a real-time analytics database management system

jev lets you filter, rank and classify rows with plain-language conditions. Every row is judged by TypeSafe's Jev, a System One model that returns calibrated probabilities instead of generated text. No index, no embeddings, no vector column.

Free, simple, and intuitive online database diagram editor and SQL generator.

Mirror of the official PostgreSQL GIT repository. Note that this is just a mirror - we don't work with pull requests on github. To contribute, please see

Welcome to the SDE Interview Preparation Roadmap! This repository is not just about my personal journey; it's a collaborative space for collective learning.

An open‑source technical wiki connected to the systems it describes

Turso is an in-process SQL database written in Rust, compatible with SQLite. It runs in production today at multiple organizations.

:books: 技术面试必备基础知识、Leetcode、计算机操作系统、计算机网络、系统设计