SheetPlanner
ready for Apple Silicon

SheetPlanner helps you organize information, plan your life and schedule your tasks and activities with unparalleled power and flexibility.
SheetPlanner's outliner supporting multiple columns, styles, notes, links, and more is available completely free forever. Try advanced features including timeline and calendar views, multiple sheets, smart filters, and more
Organize all your activities in an outliner, categorize them using the standard columns including progress, start and finish dates. Create your own date, text, number, symbol or drop down list columns. Auto enter cell values. Link to documents and web sites.