Kosshi

What it does

Kosshi is a simple native outliner for macOS and iOS. Fast and focused outline editing.

Kosshi is a native outliner for Mac, iPhone, and iPad with keyboard editing, Markdown, images, and iCloud sync.

Kosshi is built with Apple frameworks. Its custom rendering engine is designed for responsive typing, row movement, and collapsing. Data is stored locally on your device. Sync uses Apple's iCloud (CloudKit), where sync data is stored in your iCloud account. No separate Kosshi account is required. The data structures and layout engine are designed for large outlines. Initial rendering, scrolling, editing, and search are tested with the goal of keeping outlines usable beyond 100,000 rows. Press Tab to indent a row and create a hierarchy. Collapse sections or drag rows to rearrange the outline. Zoom into a row to show only that row and its children. Use the breadcrumbs to move up or return…from kosshi.app

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