12×31 is a free year planner that puts all 12 months on one screen in a colour-coded grid — so you can see every trip, commitment, and free weekend at a glance. The year view that Google Calendar, Outlook, and Apple Calendar don't give you.


Notion Calendar is described as 'Integrated with Notion, this standalone calendar syncs with Google Calendar, offers scheduling, multiple time zone support, and manages events efficiently' and is a Calendar app in the office & productivity category. There are more than 100 alternatives to Notion Calendar for a variety of platforms, including Web-based, iPhone, Mac, iPad and SaaS apps. The best Notion Calendar alternative is Google Calendar. It's not free, so if you're looking for a free alternative, you could try Google Calendar or Proton Calendar. Other great apps like Notion Calendar are Etar, Thunderbird Appointment, Fantastical and Cal.com.
12×31 is a free year planner that puts all 12 months on one screen in a colour-coded grid — so you can see every trip, commitment, and free weekend at a glance. The year view that Google Calendar, Outlook, and Apple Calendar don't give you.


Kalendar is a free, open-source scheduling tool that offers premium features like custom branding, unlimited event types, and two-way calendar sync without a subscription. You can vibecode any feature you want using the founding.dev platform.




Bookable is a powerful scheduling platform designed to make appointment management effortless for small businesses, freelancers, and professionals. With its intuitive interface and seamless integration with popular calendar tools like Google Calendar, iCloud Calendar, and...

CalendHub syncs your calendars across Google Calendar and Outlook in real-time. See all your events in one unified view, avoid double-booking, and share scheduling links so others can book time with you. Privacy-first with full control over what gets synced.

Designed for busy professionals who need fast, flexible scheduling. Aivee Booking uses AI and Smart Prompt Scheduling to instantly find the ideal time for your 1-on-1 meetings — all from a single, one-off link.

AI scheduling assistant you can CC on email to handle coordination and calendar. Also has booking page and polls. The most affordable of its kind.




Atomcal is an events management platform (calendar app) that allows you to connect with Google calendar in real time and have your events on the platform sync with your communities on Discord and Twitch.

The free all-in-one platform for creators, freelancers, and coaches to sell digital products, host sessions, manage bookings, list your services, run live classes, and get paid globally.



