OnlyOS family

Stackoo

The stack engine is now OnlyArc

Stackoo was the working name of the stack engine we are building. It is now called OnlyArc, at onlyarc.dev.

What comes next for the Stackoo name will be announced here.

Renamed to OnlyArc in October 2026.

npx stackoo

Points to OnlyArc, then runs its stack detection on the current folder.

WhatBeforeNow
NameStackooOnlyArc
Homestackoo.devonlyarc.dev
Go to OnlyArc
Same engine, new name.