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Ip2region is an offline IP-to-Region localization library and IP data management framework with both IPv4 and IPv6 supports, 10-microsecond level query efficiency, xdb search client for many programming languages
⛰️ LifeOS — The universal AI Harness designed to move you from Current to Ideal state in both life and work.
Machine Learning Engineering Open Book
Devika is the first open-source implementation of an Agentic Software Engineer. Initially started as an open-source alternative to Devin.
Turns Data and AI algorithms into production-ready web applications in no time.
Cheat Engine. A development environment focused on modding
High-performance In-browser LLM Inference Engine
Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.x & 2.x.
The instant on-demand atomic CSS engine.
Yoga is an embeddable layout engine targeting web standards.
Effortlessly compose, extend, and observe every service in real-time for the first time ever.
A tiny scalar-valued autograd engine and a neural net library on top of it with PyTorch-like API
Open source simulator for autonomous vehicles built on Unreal Engine / Unity, from Microsoft AI & Research
a 2D rigid body physics engine for the web ▲● ■
A retro game engine for Python
All the resources you need to get to Senior Engineer and beyond
Translated🏆 Real-Time no-code, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and Frontend(Client) can customize response JSONs
Code-first platform for workflows, apps and AI agents, on the fastest self-hostable orchestrator (benchmarked against Airflow, Prefect and Temporal). Business teams build with AI, engineers control what ships. Open-source alternative to Lovable, Retool and n8n.
The agent engineering platform
A comprehensive collection of Agent Skills for context engineering, multi-agent architectures, and production agent systems. Use when building, optimizing, or debugging agent systems that require effective context management.
[WIP] Resources for AI engineers. Also contains supporting materials for the book AI Engineering (Chip Huyen, 2025)
GenBI (Generative BI) for AI agents, an open-source, governed text-to-SQL through an open context layer that turns natural-language questions into trusted dashboards, charts, and SQL across 20+ data sources, such as BigQuery, Snowflake, PostgreSQL, ClickHouse, Amazon Redshift, Databricks and more.
ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written in Go.
Resume builder for academics and engineers