Your whole year, one shortcut away.
Really Big Calendar is a web app that works in any browser. On a Mac you can add this free extra: press a key combination from any app and your calendar drops over everything. Press it again and it's gone.
Download for MacFree · Uses your Really Big Calendar account · macOS 13 or later · Apple Silicon & Intel
New to Really Big Calendar? You don't need the Mac app. Start free in your browser →
Default shortcut ⌃⌥⌘C. You can change it.
This week
• Reply to Sam about the offsite
• Renew passport (expires in December)

The web app is the calendar. The Mac app is a shortcut to it.
Your phone
Open it in your phone's browser and add it to your home screen.
Mac app
A keyboard shortcut to the same calendar. Everything you change is saved to your account, so it matches everywhere.
A shortcut from anywhere
Check your year without leaving what you're doing. Choose any key combination you like.
Full screen or a large window
Cover the whole display, or float a big window over your work. It's your choice.
Signed in, always current
Sign in once and you stay signed in. The app updates itself, so there is nothing to maintain.
Three steps, about a minute.
- Open the DMGOpen the file you just downloaded.
- Drag to ApplicationsDrag Really Big Calendar onto the Applications folder, then open it.
- Press ⌃⌥⌘C and sign in onceYour calendar appears. Sign in with your usual account and you're set.
Prefer the browser? Open the web app. It's the same calendar.