Sumibako - Notes at the Speed You Think
sumibako.com
LaunchIndex first observed Sumibako - Notes at the Speed You Think (sumibako.com) live on 21 September 2026. View its launch screenshot, category, technologies, and verification evidence.
A launch record built from evidence.
Sumibako - Notes at the Speed You Think (sumibako.com) was first observed live on 21 September 2026.
Sumibako is an offline-first notes app designed for coding agents, enabling fast capture, live dictation, easy imports from Notion or Obsidian, and a command to file pages with an agent. It offers a free tier and paid plans for more features.
Its profile is classified as Saas within Business / Productivity. Verification detected Next.js and Google Analytics.
What the launch signal contained.
- First observed live
- Previous state
- No prior non-live observation
- Last verified
- Canonical host
- sumibako.com
- Category
- Business / Productivity
- Website type
- Saas
- Observed title
- Sumibako - Notes at the Speed You Think
- Observed description
- A fast, offline-first notes app your coding agents can write into. Quick capture, live dictation, one-click links, a Notion or Obsidian import - and one command that lets Claude Code, Codex or Cursor file a page and hand back a link. Free to start.
- Detected technologies
- Next.jsGoogle Analytics
- Screenshot captured
- Evidence source
- Browser observation · Local
- Evidence confidence
- 93%
- HTTP status
- 200
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