004 · Own product · 2025
A unified AI workspace that brings notes, tasks, and an AI context layer into one surface. Local-first, distraction-free. Users report 60% less tool-switching.
Timeline
10 weeks
Role
Founder / designer / builder
Tool-switching
−60%
Session length
2.4× baseline
The problem
The average knowledge worker uses 9+ tools per day. Notes in one app, tasks in another, AI assistants in a third. When context lives in separate places, every AI interaction starts from scratch — you paste your document into ChatGPT, explain what you're working on, get a response, switch back to your notes, paste the result. The AI has no memory of what you were doing five minutes ago.
The cognitive overhead is real. Switching contexts costs more than switching windows. Every time you leave the document you're in to pull in an AI, you lose the thread you were holding. The work fragments.
The approach
Aethera OS is built around a single premise: the AI should already know what you're working on. Not because you told it, but because it can read your notes and tasks the same way you can.
Local-first architecture means all data stays on your device by default. Nothing is sent to a server for storage. The AI model calls are the only network traffic. Sync is opt-in, not default.
The UI is deliberately minimal. No sidebar of features competing for attention. One editor, one task pane, one AI panel. The design constraint was: if a feature adds friction to a deep work session, it doesn't ship.
What we learned
The hardest engineering problem was not building the notes editor or the task system. It was deciding what goes into the AI's context window at any given moment, and how to keep that context relevant without overwhelming the model or degrading response quality.
Too much context and the model loses focus. Too little and it gives generic answers that miss the specifics of what you're actually working on. The right context is surgical — the current document, the three most recent related notes, the active tasks tagged to the current project.
Getting that context assembly right took most of the iteration time. The notes editor was done in week three. The context layer wasn't right until week nine.
Result
Daily active users report cutting tool-switching by an average of 60% compared to their previous setup. Average session length — time spent in focused work without switching apps — is 2.4× higher than comparable note apps in the same user cohort.
Aethera OS is live and in active development. Collaborative workspaces and team sync are roadmapped for Q4 2026.
Stack
We take a small number of client engagements each year. Real problems only.