ARCOIS

Tools for the thinking human.

We build software that helps people think more clearly, work more effectively, and become better at being human.

Live

MyExternalCortex

A life management assistant for ADHD and beyond. Natural language tasks, reminders, and adaptive coaching — available on Discord, Telegram, Slack, and more.

myexternalcortex.com →
In development

More in development

New tools in the tools-for-thought tradition. Adaptive, human-centered, built to augment — not replace — the people who use them.

The most valuable thing software can do is make its users more capable — not more dependent. Every tool we build is measured against that standard.

— Petro, founder

Questions, partnership inquiries, or just want to talk tools-for-thought: petro@arcois.net