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All6 Services5 Developer tools1

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Free note-taking apps Korean developer tools Self-hosted tools Transcription tools Task planning tools Translation & reading tools All collections

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All Free option Paid

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All Web macOS Windows iOS Android Linux

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All Open source

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All Korea Outside Korea Unknown

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Tags#Documents 6 #Open source 146 #AI 86 #CLI 53 #Offline 33 #Self-hosting 30 #Markdown 12 #Audio & music 10 #Databases 7

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gridcraft screenshot

gridcraft

Open-source spreadsheet guide site for learning XLSX editing and formula calculations

ProductivityFree

Documents
Open source

pdf2epub screenshot

pdf2epub

A macOS tool that converts even scanned PDFs into readable EPUB files.

ProductivityOpen source

Documents
AI

tims-markdown-reader screenshot

tims-markdown-reader

A macOS Markdown viewer for fast local reading without editing or tracking

ProductivityOpen source

Documents
Markdown

injoffice screenshot

injoffice

A collection of open-source libraries for adding document, sheet, slide, and PDF editing to apps.

ProductivityOpen source

Documents
AI

PDF_simple_edit screenshot

PDF_simple_edit

A lightweight, modern PDF editor built with WinUI 3 and iText 9

ProductivityOpen source

Documents
Open source

texbrain screenshot

texbrain

An open-source LaTeX editor that creates PDFs in the browser without installation or an account

ProductivityOpen source

Documents
Open source

Weekly picks

October 19–October 25 ↗

cadcraft

You can create 2D drawings with commands and automate tasks using an AI agent or CLI. It works on desktop and in a browser, so you can start in the way that suits your workflow.

Uberblok

Explore ZFS storage architecture through interactive exhibits and animations, and inspect the OpenZFS code linked to the explanations.

YugiTokenBar

This macOS menu bar app links token usage in AI coding tools to card collecting. You can also hide the card images and characters while working.

Top10AI

When it is hard to organize what you want to ask AI, you can draft a prompt that includes context, constraints, and an output format. You can copy and edit the generated text yourself.

Collections Korean services AI tools Developer tools Open source

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