Zhujian: notes and tasks, kept on your own device
zhujian.cool
LaunchIndex first observed Zhujian: notes and tasks, kept on your own device (zhujian.cool) live on 22 September 2026. View its launch screenshot, category, and verification evidence.

A launch record built from evidence.
Zhujian: notes and tasks, kept on your own device (zhujian.cool) was first observed live on 22 September 2026.
Zhujian is a privacy-focused notes and tasks app that runs on your own device, with optional end-to-end encrypted multi-device sync. Jot ideas, convert to tasks, and manage work on a board; data stays on your device by default. Open source and free to use.
Its profile is classified as Landing page within Business / Productivity.
What the launch signal contained.
- First observed live
- Previous state
- No prior non-live observation
- Last verified
- Canonical host
- zhujian.cool
- Category
- Business / Productivity
- Website type
- Landing page
- Observed title
- Zhujian: notes and tasks, kept on your own device
- Observed description
- Zhujian is a tool for notes and tasks. Jot things down into Notes, turn what needs doing into tasks and see them through on the board. Your data lives on your own device; multi-device sync is end-to-end encrypted. Free to use, open source.
- Detected technologies
- None detected
- Screenshot captured
- Evidence source
- Browser observation · Local
- Evidence confidence
- 93%
- HTTP status
- 200
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