ShroomPen

What it does

ShroomPen is a privacy-first browser writing assistant that lets you instantly reply, rewrite, fix grammar, or translate text across any website without sending sensitive data to the cloud. Designed to balance AI convenience with absolute data privacy, it keeps all your page, field, tab, and session context securely on your device, giving you complete control over your everyday web workflow.

ShroomPen is a local-first browser writing assistant for drafting with explicit page, field, tab, and session context.

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  Jarq16d ago · jarq.app · ▲96

  Translate, shorten, fix or rewrite any text near your cursor

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  TidySep 2026 · greene-squares.github.io · ▲134

  Fix grammar in any Mac app with one shortcut

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  Refine – A Local Alternative to Grammarly2025 · refine.sh · ▲408

  Fix grammar, rewrite sentences, translate text, and get clear explanations across your Mac apps. Do it all offline with local AI.

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  RewriteBar2024 · rewritebar.com · ▲138

  Hey HN, I wanted to share a tool that I've been working on called RewriteBar. It's designed to help improve your writing without the need for context switching. With RewriteBar, you can simply select a sentence, choose an action from the menu bar, and watch as the text is transformed. It works seamlessly in any macOS application and is powered by OpenAI. Some of the key features of RewriteBar include: - Correcting grammar errors that even Grammarly may have missed. - Rewriting your text in a different style to give it a fresh perspective. - Translating sentences quickly without the hassle of…

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  RephraseDec 2025 · rephrase.space · ▲128

  Fix grammar and format text instantly on Mac

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  Trancy AirSep 2026 · trancy.org · ▲82

  Translate anything you see, write, or say with one hotkey

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  Lofi Cities – Pixel-art city nights with browser-generated lofi▲319

  Endless lofi beats composed live in your browser, over pixel-art nights in Paris, Tokyo, New York, Hong Kong, Sydney, San Francisco and more. Free, no sign-up.

  Work · 24d ago · loficities.com

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  Smooth Recorder▲257

  Mac screen recordings that look edited when you hit stop

  Work · 18d ago · smoothrecorder.com

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  Figma Specs▲220

  A container for your context that lives on the Figma canvas

  Work · 2d ago · figma.com

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  The rarest tech books and docs you've probably never read▲190

  Work · 12d ago · readrare.com

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  An e-ink frame that hears birds and draws them as 1800s illustrations▲2,389

  E-ink bird frame for Raspberry Pi - real-time bird detection by audio, fully local AI, rendered as real, hand-cut 1800s bird illustrations. - arnegiacomo/fugleramme

  AI · Sep 2026 · github.com

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  What if the speed of light was 5 km/h?▲629

  Special relativity simulator in which light crawls along at a human speed, so Lorentz contraction, aberration and Doppler shift happen at walking pace.

  Life & fun · Sep 2026 · rivendell.dmitrybrant.com

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  Jev▲544

  Fast, structured AI decisions for software automation

  AI · Sep 2026 · console.typesafe.ai

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  ReSO AI▲510

  Get discovered & recommended when customers ask AI

  AI · Sep 2026 · resollm.ai

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  Kilo Code for iOS and Android▲498

  Start coding agents, control sessions, review PRs. Anywhere.

  Dev tools · Sep 2026 · kilo.ai

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  AINA▲497

  Find your job search blind spots with an AI coach

  AI · Sep 2026 · aina-tech.io