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Lume

Notes that arrive before the thought leaves

Details

External ID
1263019
Source
PH
Company
—
Product
Staff Lume
Website domain
producthunt.com
Launched
Sept. 29, 2026
Cohort
—
Upvotes
5
Upvotes percentile
0.9330233055377378
Tags
Windows, Productivity, Writing
Fetched at
Sept. 30, 2026, 1:01 a.m.
Updated at
Sept. 30, 2026, 1:01 a.m.

Description

Lume is a native Windows notes app (WinUI 3, no Electron) that stays hidden until you need it. Shake your mouse or press a shortcut, write, and it's gone. Beyond quick notes: a scratchpad that does maths as you type and runs small Python, JS or PowerShell snippets, pen ink right on top of your text, and freehand boards next to your notes. Local-first, optional OneDrive sync. Free for up to 20 notes.

Enrichment

Theme
markdown editors and writing tools
Vertical
Horizontal
Function
Workflow automation
Audience
Prosumer
AI stance
AI feature
Project type
Commercial product
Normalized one-liner
fast note taking app for quick thought capture
Manually corrected
False

Could you build this?

Partial Building a custom native WinUI 3 desktop utility that captures global mouse shake gestures, sandboxes and executes multiple interpreted languages inline, and supports digital stylus ink requires specialized Windows OS systems programming.

What it would actually take: A real version requires deep Windows SDK/C# or C++ WinUI 3 engineering, implementing low-level OS hooks (WH_MOUSE_LL) to track velocity and detect shake gestures globally. It also requires integrating Windows InkCanvas alongside text layout engines, plus embedding secure, isolated runtimes for Python, Node.js, and PowerShell to evaluate code blocks safely without freezing the UI thread.

Competitors

Other products that read as similar to this one — 144 launches clear the similarity bar, closest 8 shown.

Attention rank: #15 of 145 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).

Launched 301 days after the earliest competitor.

Other launches for this product

Same idea, different domain

Nobody's really built a workflow automation tool for Real estate yet.