Nate Gu & Co. is an independent studio that develops and publishes AI software, mobile apps and SaaS. Nate Gu & Co. 是一家独立工作室，开发并发布 AI 软件、移动应用与 SaaS。
Nate Gu is a person. He designs and writes the software. Nate Gu 是一个人，软件由他设计和编写。
Nate Gu & Co. is the studio name. The work is published under it. Nate Gu & Co. 是工作室名称，作品以此对外发布。
Nate Gu & Co LLC is the legal entity, formed in Wyoming, USA on 8 September 2026. It holds the contracts, accounts and filings. Nate Gu & Co LLC 是法律主体，2026 年 9 月 8 日于美国怀俄明州成立，负责合同、账户与申报。
Products keep their own names. Which entity operates a given product is stated in that product's own terms. 产品保留各自的名字。某个产品由哪个主体运营，写在该产品自己的条款里。
An AI companion that runs on your own computer and answers you on WeChat, asking permission in the chat bubble before it acts. Released at v1.6.6 and open source: source, downloads. 跑在你自己电脑上的 AI 伙伴，从微信找到它，动手之前先在气泡里征求同意。已发布 v1.6.6，开源：源码、下载。
The vault layer CC reads and writes: a personal runtime over a folder of plain markdown, with changes proposed as reviewable plans. Alpha, v0.4, open source: source, site. CC 读写的知识库层：一个建立在纯 Markdown 文件夹之上的个人运行时，改动以可审阅的计划形式提出。Alpha，v0.4，开源：源码、网站。
A writing system for long fiction, built around a ledger of what the story has promised. Working prototype, not released. 写长篇的系统，围绕一张「故事承诺过什么」的账本构建。可运行原型，未发布。
A health companion built around understanding rather than supervision. In progress; one vertical slice runs on iOS. 以理解而非监督为出发点的健康伙伴。进行中，iOS 上跑通了一个垂直切片。
Released已发布 Alpha or prototypeAlpha 或原型 In progress进行中
One person, working with a set of AI agents, keeping the judgment human. The studio is at the development stage: the products above are what exists, described at the stage they are actually in. Where a product can keep a person's data on their own device, it does. 一个人，加上一组 AI Agent，判断仍由人做。工作室处于开发阶段：上面列出的就是现有全部，各自标注真实进度。能把数据留在用户自己设备上的产品，就留在那里。
Nate Gu & Co LLC, Wyoming, USA. Write to [email protected]. Back to nategu.com. Also: approach, writing. Nate Gu & Co LLC，美国怀俄明州。联系：[email protected]。 返回 nategu.com。另有 approach、writing。