Best Calendar Software for Microsoft 365

Trumba is an event calendar and registration platform for your website or intranet. Manage all your event data in one place and publish custom calendars for your end users. Trumba currently powers the event calendars for large organizations and small businesses worldwide. Features include: • Customizable and unlimited calendars to cater to multiple audiences or business units. • Integration with 3rd party calendars to manage and publish all events in one place. • Flexible event management with custom templates and role-based editor access. • Event registration with custom forms and payment gateway support. • Attendee management including automated wait listing. • HIPAA-compliant solution for hospitals and healthcare organizations. • SSO support for user and visitor management. • Automated reminders and follow-ups, calendar syncing and personalized event lists. • Integration services and ongoing support included. • And so much more.... Get a demo or free trial today.

Boost your email and skyrocket your productivity with the best email client for Windows and macOS. eM Client is a fully-featured email client with a clean and easy-to-use interface. It also offers features for calendars, tasks, contacts, notes, and chat. eM Client's compatibility is unmatched. You can connect to any email service – it will work. This email client works seamlessly with Google Workspace, Office 365, Outlook, Exchange and virtually all conceivable email technologies. Integrates with Online meeting tools such as Zoom, MS Teams, Google Meet and more. eM Client enhances email communication for professionals and home users alike. It is the only email app on the market with the full support of server-side rules and search, instant message translation, "Snooze email" and “Watch for reply” features + easy to use email encryption (PGP and S/MIME). It also works perfectly with Gmail, including support for tags and signature synchronization.

Microsoft Outlook is the all-in-one email, calendar, and contact management platform designed to keep you organized and connected across your digital life. With Outlook, you can manage multiple accounts—including Gmail, Yahoo, and iCloud—within one unified inbox. Intelligent scheduling tools and shared calendars help you stay on top of meetings, events, and personal reminders. The built-in Microsoft Copilot assists with writing emails, summarizing long threads, and managing tasks to boost productivity. Outlook also offers enterprise-grade security, filtering out spam, phishing, and malware to keep your data safe. Whether on desktop, mobile, or web, Outlook helps you manage communication and time with clarity and confidence.

Calendly is a scheduling automation platform that helps individuals, teams, and enterprises book meetings without the back-and-forth emails. Share custom booking links, set availability preferences, and automate reminders, follow-ups, and calendar syncing. Calendly supports one-on-one, group, collective, and round robin scheduling, with smart features like buffer times, time zone detection, and meeting caps. Integrate with Google, Outlook, Office 365, Zoom, Microsoft Teams, HubSpot, Salesforce, Slack, and more to embed scheduling into your existing workflow. Calendly helps entrepreneurs, sales, marketing, recruiting, customer success, and professional services teams save time, reduce no-shows, and improve the client experience. Built for flexibility and scale, Calendly offers admin controls, reporting, and enterprise-grade security. Sign up for free and simplify your scheduling today—no credit card required.

Work smarter with business-class email and calendaring. Exchange helps you collaborate on your critical documents and gives you a focused inbox that prioritizes important messages and adapts to your work style, so you can get more done–faster. Get access to a more personalized inbox with helpful features and a smarter, more organized way to view and interact with email. Search enhancements give you faster and more complete results. With Add-ins, get powerful customization and extensibility, which connect you to modern services and internal line-of-business applications. Organize your time with a calendaring system that goes beyond basic scheduling of appointments and commitments. Automatically capture events from email such as flights and hotel reservations, and get suggestions about where to meet based on your location. Microsoft Exchange Online offers a hosted email service for business. Exchange Online helps protect your information with advanced capabilities.

Millions rely on Any.do, the world's #1 to-do list, to stay organized and get more done. It's the simplest most powerful to-do list app ranked best-in-class by Apple, Google, The Verge, Forbes, and more. Set reminders to make sure important things don’t slip away. With powerful one-time, recurring and location-based reminders, you can be sure critical things don’t get forgotten. Wherever you are, take your to do list with you. Access Any.do on mobile, laptop, desktop, tablet and even your watch! Your tasks are automatically synced across all of your devices, giving you ultimate control.

Spike brings your entire workspace into your Inbox: email, chat, calendar, calls, team collaboration, tasks — to one powerful Inbox. Everything you need to get your work done is in a single feed, so you can finally give the app-switching a rest. Spike’s conversational email fuses traditional email with instant messaging — eliminating cluttered email threads. With real-time conversations and live collaboration, have better interactions and a more human communication experience. Spike is available on iOS, Android, Mac, Windows & Web.

Reduce wasted opportunities by executing the right activity with the right people. From buyer signals to sales cadences, automated tools can help you close deals. Get the missing features for Gmail or Outlook. Cirrus Insight has everything you need in one solution. Salesforce integration: everything you need from Salesforce in your inbox. Add a little automation to your sales routine, and skip the busy work involved in manually logging activities to Salesforce. Constantly entering data, copying and pasting, and toggling between applications is cumbersome. Reclaim time for actions that provide value, not busy work. Updating your CRM can be like a ball and chain shackling your time and adding drag to your sales process. Cirrus Insight gives you the freedom and time you need to master your sales process and engage with more customers. Updating activities in Salesforce is time-consuming. Following up with prospects that are not ready to buy.

No More Missed Meetings. No More Double Bookings. CalendarBridge syncs all your calendars across all your Google and Microsoft accounts in real time and makes scheduling meetings simple. Universal Calendar Syncing All Your Calendars. Always in Sync. CalendarBridge syncs your calendars across Microsoft and Google accounts in real time so your complete schedule is always available from any device. Why is CalendarBridge Sync Awesome? Easy setup. 5-minute self-service setup. No configuration required on any of your devices. Regain Control of Your Devices. See your corporate calendars on your personal device without giving an IT admin the right to wipe your device. Simplified Calendar Sharing. Outlook and Google Calendar scheduling assistants now show your true free/busy times, including external calendars. Privacy Controls. With the option to sync only free/busy times, sensitive calendar information never crosses organizational boundaries.

SyncGene synchronizes your data automatically*, so you can keep your Contacts and Calendar events in sync and up to date across all of your accounts. You just need to add at least 2 sources you want to sync (Google/Exchange/iCloud). The changes, which you make in one source, will be automatically transferred to another without any duplicates. You can share the latest information from your address book or calendar with other people. Merge your personal information from various places. We'll unify this information into one synced view of one Calendar, one Address Book and one To-do list for your hassle-free management. No more lost, duplicate or incomplete entries. Manage and update your events, contacts and tasks from any connected device, service or app.

Do you schedule important events on your calendar, such as meetings, doctor appointments, and trips to the vet for Lucy? What about your professional endeavors, personal growth, and development? Is the work involved in scheduling your tasks on the calendar time-consuming and at times frustrating? We know how it feels when interruptions happen, priorities change and you need to endlessly jigsaw calendars. And, we care about you. With SkedPal, you finally get one single app to include BOTH your to-do list and the calendar. SkedPal Intelligently and intuitively schedules your tasks based on your priorities and commitments. Our mind is really bad at planning and scheduling. Of course, we're the best to know our preferences and priorities. But, how to move around the pieces on the chessboard that is our time is just not our cup of tea. Time is a zero-sum game. And, our productivity is not about doing more things; it’s about doing the right things.

Marketing events, training, webinars, whatever it is, easily manage your event calendars in Outlook and then publish them for everyone to see! Bring people, rooms, and resources together with our user-friendly, powerful free/busy search, it even works across multiple Exchange/M365 systems! Stop the email back-and-forth when trying to book meetings with external recipients; just send them your MyAvailability link and let them book what’s convenient for them! Smart, secure calendar sharing and booking for your entire organization. Agendex allows you to share events publicly so that anyone can view them and click to join them on the spot. You can provide a calendar link in emails or on your website, or even embed calendars on your website. Managed directly from Outlook, your everyday tool! These calendars can provide information about marketing events, webinars, training sessions, etc. Visitors can view information about any event and even register if you provide a registration link.

Chili Piper Meetings is a suite of automated scheduling tools that help revenue teams convert more leads into qualified meetings, faster. Our intelligent Concierge product offers a simple way for prospects to book a meeting or start a phone call immediately after submitting a form on your website. Unlike the traditional method of inbound lead management, Chili Piper uses smart rules to qualify and distribute leads to the right reps in real time. Our software also allows companies to automate lead handoff from SDR to AE and book meetings from marketing campaigns and live events. Companies like Square, Twilio, DiscoverOrg, Spotify, and Forrester use Chili Piper to create an amazing experience for their leads, and in return, convert double the amount of leads into held meetings.

Kin.today provides you with the perfect seamless calendar experience you’ve always needed: the Kin calendar core hosted on an incredible infrastructure. You don’t need to worry about anything, we’ve got you covered. Just relax, check your Kin and focus on living your life. We could have continued a long beta or raised money without any business plan, but it didn’t feel right: at some point it would have meant compromises that we didn’t want to make. February and March are on us so that you can try Kin.today and enjoy it as much as you want (though we still have a huge waitlist, we’ll release more invites every week). Then we’ll move on to the paid subscription model. Other types of subscriptions are available (free for contributors, sponsored features), feel free to drop us an email for more details.

Morgen is a daily planner for time-blocking tasks from your to-do, project management, and PKM apps in your calendars. The AI Planner gives you custom plans that prioritize your most important tasks in your available time, but you can also time-block manually. Available on macOS, Windows, Linux, iOS, and Android. To use Morgen, you will connect at least one calendar (Google, Outlook, iCloud, Fastmail, Exchange, and more). Then you can manage and create events from these calendars directly in Morgen. If you already manage to-dos, tasks, and projects in other tools, you can integrate those and configure which tasks will be imported to Morgen. Integrations include Todoist, Notion, ClickUp, Linear, and even Obsidian. If you don’t have a task manager, no fear. Morgen has a simple built-in task manager.

Meet Cal.com, the event-juggling scheduler for everyone. Focus on meeting, not making meetings. Free for individuals. Cal reads your availability from all your existing calendars ensuring you never get double booked! Set repeating schedules for the times of the day and week that you want people to be able to book you. Share your short cal.com personal link and make it incredibly easy for people to book a meeting at a time that works for both of you! Set availability, location, duration and more on a per-link basis. Send bookings to different calendars or set a default. Cal.com checks for conflicts across all of your calendars and only offers times that are open. Never get double booked again. Cal.com enables you to build processes around your events. Notifications, reminders and follow ups are automatically taken care of. With Cal.ai - harness the future of AI scheduling.

BusyCal displays your calendar in Day, Week, Month, Year and List views. What makes BusyCal unique is its ability to customize these views to more precisely meet your needs. You can choose the number of weeks shown in the Month view and the number of days shown in Week view and even customize the calendar's appearance by choosing a font face and size, calendar colors, time format and more. One of BusyCal's most popular features is its embedded info panel that appears in the sidebar, enabling you to quickly view and edit event details with speed and precision. The Info Panel has been completely redesigned in BusyCal and boasts a cleaner, modern look with improved controls for selecting dates and times, adding locations, attendees and more. What's more, the info panel is completely customizable. You can choose to show just the basics, or additional fields like time zones, tags and graphics.

A single subscription unlocks all features in both Fantastical and Cardhop across all your devices. Your calendars, tasks, and contacts will be more powerful, more productive, and more fun. Fantastical and Cardhop were both designed to eliminate frustration and make your life more productive. Quickly upload files or images directly from Fantastical to your iCloud, Google, or Exchange events. Attachments are accessible across all devices that sync with your calendar accounts. No matter what device you're using, Fantastical will give you the view you want. See a quick overview of your calendar with the Fantastical DayTicker and Calendar views, and browse comprehensive full screen views of your day, week, month, or year when you need more detail.

Today’s workspaces require more and more adjustments​. We help companies accelerate their transformation towards flexible spaces and services. Tailored services for tenants based on AI and connected devices. Evolutive, it will meet your future expectations. Modular and reconfigurable for more flexibility. Workspace flexibility, well-being, and quality of life. Supervision of tasks and services. Traceability of benefits and services​. Questionnaires, trigger-action-based, messages, signposting, memos, occupancy rate, flows, environmental quality. Transforming your workplace into flexible offices optimizes workspaces but can be a source of stress. Our flex office solution is designed to personalize all resources and simplify the life of your employees. Z#BRE has developed a suite of technologies that offers enterprise stakeholders a portfolio of turnkey solutions, which requires strictly no deployment effort.

Time is the most important thing you have, because it’s the only thing you can’t buy more of. But your old calendar isn’t helping. It makes it too easy for time to be lost, misspent, or stolen. Mayday is a new kind of calendar that uses AI to help you organize, protect, and manage your schedule so you can spend time in more meaningful ways. The more you use Mayday, the smarter it gets. Mayday evaluates your scheduling preferences and patterns to find the Ideal Times for everything you schedule. Forget about managing different time zones, conflicting priorities, and undocumented routines. Mayday manages the complexity of scheduling with others, so you don’t have to. Mayday’s AI algorithms can automatically suggest the best times to schedule meetings based on your team’s True Availability. As more team members use Mayday, scheduling becomes smarter and more helpful, taking into account everyone’s schedules and preferences.