HachiCalendar

HachiCalendar has been online for 15 years and is a comprehensive productivity tool covering study, work, and daily life. This version provides the same features as the Pro version (with ads, removable): 1. AI Smart Assistant:  Supports fast voice and text input as well as schedule analysis, and AI features can be hidden from the toolbar as needed. 2. Multi-view System:  Includes day, week, month, and year views, each with in-depth customization options. 3. Quick Gestures:  Supports single tap to select, double tap to jump, long press for a multifunction menu, and swipe to switch months. 4. Drag & Drop Operations:  In month view, long-press and drag events to easily move or delete them. 5. Custom Date Markers:  Long-press a date to set background colors for clearly distinguishing rest days, overtime, classes, and more. 6. Unified Task Management:  Includes Todo mode to seamlessly integrate schedules and to-do items. 7. Image Attachments:  Allows adding images to events, with thumbnails displayed in month view. 8. Flexible Export:  Supports exporting schedules as images by date or calendar, or sharing them via email. 9. Custom Colors:  Set personalized colors for different events with convenient color management. 10. Multiple Themes:  Built-in seasonal, holiday, and weather themes to meet diverse aesthetic preferences.