GitHub - Geek-1001/arcmark: macOS bookmark manager that attaches to any browser window as a sidebar

Hacker News
February 14, 2026
AI-Generated Deep Dive Summary
Arcmark is a sleek macOS bookmark manager designed to attach as a sidebar to any browser window, including Chrome, Safari, Brave, and others. Built with Swift and AppKit, this native app offers a unique alternative for users seeking a more flexible and customizable bookmarking solution. Unlike traditional browsers like Arc, which require switching apps to manage bookmarks, Arcmark integrates seamlessly into your workflow by staying attached to your browser window, providing instant access to your organized links. One of the standout features of Arcmark is its ability to organize bookmarks into multiple workspaces, each with a custom color and hierarchical folder structures. This allows users to create a highly personalized and efficient system for managing their web resources. Bookmarks are stored locally in a single JSON file, ensuring privacy and simplicity in storage. The app also supports drag-and-drop functionality for reordering folders and links, along with inline editing for quick adjustments. For those who prefer, Arcmark can operate as a standalone window without browser integration. The importance of Arcmark lies in its ability to enhance productivity by streamlining bookmark management across different browsers and workspaces. Its local-first approach eliminates the need for cloud sync, making it ideal for users prioritizing privacy and efficiency. Additionally, Arcmark’s support for importing bookmarks from popular browsers like Arc ensures a smooth transition for
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Originally published on Hacker News on 2/14/2026