Amethyst vs Notion Calendar

Amethyst is a free, open-source tiling window manager for macOS inspired by xmonad. It automatically arranges application windows into non-overlapping layouts using keyboard shortcuts, without requiring System Integrity Protection to be disabled. Amethyst supports multiple layout algorithms including tall, wide, fullscreen, and column layouts.

Notion Calendar is Calendar app with time blocking and direct integration with Notion workspaces.. It is available under a free model. This tool falls under the productivity category.