Project 04
Built for people whose minds move faster than their systems.
A continuity system for founders, writers, and restless thinkers whose minds generate ideas faster than any note app can hold them. Not a task manager — a place to reconnect scattered thoughts and keep momentum without losing the thread.
Role
Solo Product Builder
Context
0→1 course build, PRD-driven and agent-assisted
Timeline
End-to-end build, ongoing
Stack
Cursor · Claude · Next.js · TypeScript · Supabase · Stripe · Clerk · Make · Vercel · ElevenLabs
1
Place to think instead of six
Daily
Used by the person who built it
Live
signallog.business
The problem
The idea came out of building a SaaS product hands-on in a 0→1 course covering creation, launch, and growth marketing.
It isn't only a founder problem. It's sharper for minds that generate ideas faster than any system holds them — competing threads, and no way back to an insight from three weeks ago. The problem was never a lack of ideas; it was fragmentation.
My Signal deliberately isn't badged as an ADHD tool or a second brain. It speaks to the lived experience of a fast-moving mind without labeling it.
How I approached it
Discovery
Wrote a PRD and an ongoing feedback doc — what it was, who it was for, what was required — before touching Cursor.
Build
Started with two core pieces: a landing page and a project-based overview where notes are saved, edited, and reviewed.
Build
Added profiles so entries carried across sessions, moving from on-device storage to a real database.
Build
Layered in payments and invoicing once the structure was locked, then added voice-note capture.
Pivot
Shifted positioning toward fast-moving minds rather than founders, and reworked the landing page so it wouldn't read as AI-template output.
Testing
In use for personal projects; not yet open to other users while usage-based voice costs are worked into pricing.
What I shipped
- Thought capture, typed first with voice added later — voice notes are transcribed and filed to the right project automatically.
- Project-based organization — create a project, add notes over time, and see everything in one overview.
- Context-aware reflection on recurring themes.
- Gentle prioritization without rigid productivity rituals.
- Profile-based saving backed by a database so ideas carry across sessions.
- Payments, access gating, and invoicing.
- Planned: an AI companion layer that reflects progress back and helps refine ideas.
Result
In use for personal projects, solving the problem it was built for — ideas gathered in one place instead of scattered across notes, memos, docs, and messages to yourself.
Public access follows once the pricing model, including voice-capture usage costs, is finalized.