No moat. Still in business.

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Connects your business apps through prebuilt automations you switch on in a click, a cheaper alternative to Zapier.

Free plan · Automation and integrations

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Calendar app for shift workers that adds rotating patterns, sets alarms per shift and totals hours, pay and overtime.

Scheduling and booking · Individuals and families

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A WordPress plugin that shows a Google, Microsoft 365 or iCloud calendar feed on your site and keeps it updated.

Free plan · Scheduling and booking

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A native calendar app for Mac, iPhone and iPad for people whose schedule lives in Google Calendar.

One-off payment · Scheduling and booking · Individuals and families

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A WordPress plugin that displays events from Google Calendar, Outlook or any ICS feed on your site as a grid or list.

Free plan · Scheduling and booking · Schools and tutors

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Writes a daily diary entry for you each morning from your calendar, chat, code and social activity.

Free plan · Notes and knowledge · Individuals and families

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Chess clubs, tournament directors and coaches handle registrations, pairings, members and payments in one place.

Free plan · Scheduling and booking · Schools and tutors

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Shows times in several cities side by side and helps pick a meeting slot that works for people in different zones.

Since 2026

Free · Scheduling and booking

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An AI receptionist that answers and routes business calls, then scores each call and logs it in your CRM.

Subscription · CRM and sales

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Shows Google, Outlook and iCloud calendars in one tray app, with quick add, booking links and call notes.

Free plan · Scheduling and booking

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Copies events between Google, Outlook and Apple calendars using rules you set, so work and family plans never clash.

Free plan · Scheduling and booking

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Keeps client IT records, tickets and invoices in one place, for managed IT service providers, self-hosted or hosted.

Free · Customer support

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Send it your booking emails, PDFs or screenshots and it builds a day by day trip plan with live flight updates.

Since 2026

One-off payment · Travel · Individuals and families

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Sends you a WhatsApp message when a friend or relative has a birthday, with no app to install and optional mailed cards.

Since 2025

Subscription · Family and parenting · Individuals and families

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A Mac app that reads your mail, calendar and files each morning and writes a short note on what needs you that day.

Free plan · Focus and productivity

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Lets WooCommerce shops take date-based bookings for rentals, holiday homes, equipment hire and tours, with prices and availability rules.

Free plan · Scheduling and booking · Hotels and hospitality

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Syncs Google, Outlook and iCloud calendars so clients see you as busy while you keep the meeting details.

Free plan · Scheduling and booking · Individuals and families

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Free planner for students that tracks classes, homework and grades and works out what score you need.

Free · Focus and productivity · Individuals and families

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A planner app where you write plans as notes and turn lines into dated tasks, reminders and calendar entries.

Subscription · Projects and tasks · Individuals and families

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A WordPress plugin that lets clients pick a time and book services on your site, with Google Calendar sync in the Pro version.

Free plan · Scheduling and booking

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A calendar on top of Google Calendar that keeps tasks next to your week, shares booking links and shows time zones.

Since 2024

Subscription · Scheduling and booking · Individuals and families

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A WordPress booking plugin that lets clients pick open times for one to one, group or team appointments on your site.

Subscription · Scheduling and booking · Freelancers

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Copies events between your work, personal and school calendars so you show as busy everywhere, keeping details private.

Free plan · Scheduling and booking · Individuals and families

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A WordPress plugin that adds an appointment booking form and calendar to a business website, with paid add-ons for SMS and payments.

Free plan · Scheduling and booking

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Plans delivery and service routes from a spreadsheet of stops, handling time windows, vehicle capacity and shifts.

Since 2024

Free plan · Jobs and field service · Trades and home services

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A Mac email app built on the Gmail API, with full support for labels, filters, categories and several accounts.

Since 2020

Free trial · Focus and productivity

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Lets you style a Google Calendar and embed it on your website so it works well on desktop and mobile.

Free plan · Website builders

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A study app for students with spaced repetition flashcards, made from notes and PDFs, and scheduled around your calendar.

Free plan · Courses and learning · Individuals and families

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A WordPress plugin that lets clients book, move or cancel appointments on your site, with reminders and calendar sync.

Free plan · Scheduling and booking

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Shared family app for calendars, shopping lists, meal plans, to-dos and household budgets, with location sharing for kids.

Free plan · Family and parenting · Individuals and families

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An iPhone app that turns calendar events into alarms that stay on screen, with leave-time and flight timing.

Focus and productivity · Individuals and families

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Logs what you work on in your Mac in the background and shows how many hours went to focus or distraction.

Since 2025

Subscription · Time tracking · Individuals and families

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An email app with an AI assistant that sorts your inbox, drafts replies in your style and finds answers in old mail.

Since 2022

Free plan · Focus and productivity

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Mac app that blocks your screen with a reminder before each meeting and lets you join in one click.

Free trial · Scheduling and booking

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A day planner for iPhone, iPad, Mac and web that combines weekly plans, task priorities, calendars, journal and habits.

Since 2025

Projects and tasks · Individuals and families

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Applicant tracking that reads each application, ranks candidates against your criteria and runs the hiring pipeline.

Free plan · Hiring and recruiting

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Paste up to four booking links from tools like Calendly, HubSpot or Cal.com to see when every person is free, for teams setting meetings.

Free · Scheduling and booking

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A Slack assistant that finds leads, drafts follow-ups and writes LinkedIn and X posts for sales teams.

Free plan · CRM and sales · Agencies

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Tracks expiry dates, SSL certificates and nameservers for all your domains and sends reminders, including to your calendar.

Free plan · Uptime and monitoring

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Watches the smaller customer accounts your team can't cover by hand, flags churn risk and upsell chances, and does approved follow-up work.

CRM and sales · Software companies

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Turns your Strava profile into a calendar feed so workouts show up in Google, Outlook or Apple Calendar.

Since 2025

Free · Health and habits · Individuals and families

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One API that lets software teams connect their app to Google Calendar, Outlook, Zoom and Google Meet without building each link.

Since 2023

Free plan · Scheduling and booking · Developers

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Keeps Google, Microsoft and iCloud calendars in two-way sync, so edits on one show up on the other in about a second.

Subscription · Scheduling and booking · Individuals and families

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WordPress plugin that shows which dates a holiday home or B&B is free or booked, with iCal sync to Airbnb.

Free plan · Scheduling and booking · Hotels and hospitality