Tools for the thinking human.
Arcois builds software that helps people think more clearly, work more effectively, and become better at being human.
Products
MyExternalCortex
Meeting you where you are
A life-management assistant for ADHD and beyond. Natural-language tasks, reminders, and adaptive coaching — 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.
Standard
The most valuable thing software can do is make its users more capable — not more dependent. Every tool we build is measured against that.
Get in touch
Questions, partnership inquiries, or just want to talk tools-for-thought: petro@arcois.net