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monthlet
The note app where AI writes the note — layout and all
Dump raw thoughts — bullets, fragments — and tell monthlet in plain language what you want. AI writes the whole note: banners, columns, tabs, real spreadsheets and live charts, layout chosen for you. Want a change? Just ask — only that part updates. Every note is a plain HTML file on your disk, opens in any browser, no lock-in. Bring your own AI key (Claude, OpenAI, or Gemini); your notes never touch our servers. Free and complete. macOS (Apple Silicon) today; Windows on the way.
Hey Product Hunt — I'm Shin, the maker of monthlet.
I built monthlet because of one small, daily annoyance: I'd ask an AI to help me write something, then spend the next ten minutes copying its answer out, pasting it somewhere, and reformatting it by hand. The thinking took seconds; the busywork took the rest.
monthlet removes that loop. You dump raw thoughts — bullets, fragments, whatever — and tell it in plain language what you want ("turn this into a note"). The AI writes the whole thing: banners, columns, tabs, the layout picked for you. Want a change? Just ask, and only that part updates.
The name is an anagram of HTML + NOTE, and that's the whole philosophy: every note is a plain HTML file on your own disk. It opens in any browser, forever — no lock-in, no proprietary format. You bring your own AI key (Claude, OpenAI, or Gemini), it lives in your Keychain, and with your own key your notes never touch our servers.
Honest note: it's macOS on Apple Silicon (M1 or later) today. Windows is on the way.
The app is free and complete. I'd genuinely love your feedback — tell me what's missing.
Shinichiro Kato (@t27d.jp)
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About monthlet on Product Hunt
“The note app where AI writes the note — layout and all”
monthlet was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #157 on the daily leaderboard. Dump raw thoughts — bullets, fragments — and tell monthlet in plain language what you want. AI writes the whole note: banners, columns, tabs, real spreadsheets and live charts, layout chosen for you. Want a change? Just ask — only that part updates. Every note is a plain HTML file on your disk, opens in any browser, no lock-in. Bring your own AI key (Claude, OpenAI, or Gemini); your notes never touch our servers. Free and complete. macOS (Apple Silicon) today; Windows on the way.
monthlet was featured in Productivity (658.2k followers), Notes (8.4k followers) and Artificial Intelligence (475.9k followers) on Product Hunt. Together, these topics include over 269.9k products, making this a competitive space to launch in.
Who hunted monthlet?
monthlet was hunted by Shinichiro Kato. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Shinichiro Kato