Different category
Not a chatbot. Not a notes app. Not just automation.
PersonalOS is the private context layer between you and your agents.
Hosted assistant memory
Convenient, but often opaque. You may not know exactly what was remembered or how to move it.
PersonalOS
Memory is files. You can inspect, edit, back up, version, or delete them.
Notes app + AI
Great for documents, but the agent may still lack instructions for how to work with you.
PersonalOS
Profiles, skills, facets, and memory help agents understand your working style.
Task assistants
Useful for actions, scheduling, or automations.
PersonalOS
Focused on continuity: how you think, decide, write, and work across sessions.
The product bet
The most personal part of AI should not be a black box.
PersonalOS gives you a simple way to own the context your agent uses about you.