I like Cal.com because you can customize it, modify it, and even self-host it. Its open-source nature and no vendor lock-in are huge advantages. The user interface is clean, intuitive, and easy to navigate, which makes setting up meeting types, availability, and automation flows require minimal effort. Cal.com also impresses with advanced capabilities like round-robin scheduling and team availability. I appreciate its rich ecosystem of integrations with popular calendars, conferencing platforms, CRMs, and payment systems. The embedded scheduling widget is robust, allowing full customization of branding and behavior when integrating booking functionality into websites or applications. Cal.com generally performs strongly, with an API-first design that scales well from individuals to enterprise-level users. Review collected by and hosted on G2.com.

Because it’s highly customizable, new users sometimes find the initial setup confusing. You need to understand workflows, event types, integrations, etc. Review collected by and hosted on G2.com.

What I like best about Cal.com is how simple yet powerful it feels. It removes all the back-and-forth from scheduling and lets me share my availability easily, book meetings with clients or teammates, and manage everything in one place. The time zone handling is especially valuable since I work with people in different locations—it automatically shows the right time for everyone, which avoids confusion and missed meetings. I also really like the calendar and video call integrations because everything stays in sync and links are generated automatically. The interface is clean, setup is straightforward, and once it’s configured, everything runs smoothly. Overall, Cal.com saves me time, feels professional, and makes scheduling stress-free and reliable. Review collected by and hosted on G2.com.

There isn’t much to dislike, but some of the more advanced settings can take a little time to understand at first, especially for new users. I also feel the onboarding could be a bit more guided to help people get fully set up faster. That said, once everything is configured, the platform works very smoothly. Review collected by and hosted on G2.com.

I primarily use Cal.com for scheduling meetings, setting up client calls, and creating web booking pages. It has direct integration with Google Calendar, Outlook Calendar, Zoom, Teams, and many other tools, eliminating issues like double-booking. Its interface is very clean, modern, and easy to use. The best part is that you can set your availability, breaks, off-days, event types—everything according to your preference. Round-robin scheduling is also available for team work. Being open-source, you can self-host and fully customize it. Its privacy features are excellent. I like it because it is a powerful, privacy-friendly, and professional scheduling tool. Its customization capability is very useful, allowing me to design my booking page according to my branding. You can customize almost everything—layout, event flow, branding, integration, embed style. For developers, it is a Dream Platform because it provides full API access—webhooks, custom apps, integrations, etc., are all available. Cal.com's smooth and intuitive user experience makes it even better. Review collected by and hosted on G2.com.

Cal.com's interface is clean and modern, but for first-time users, some things might seem a bit technical. Advanced settings can sometimes appear too complex, making the setup a bit confusing for non-technical users. Review collected by and hosted on G2.com.

Cal.com has become an essential tool for our team, excelling in customization and automation. I love how customizable it is; being able to adapt booking pages, workflows, and routing forms to our needs is a standout feature. The automation tools save us significant manual effort, making processes efficient. I also appreciate the seamless integrations with calendars and apps we use daily, which prevent double bookings and keep everything synchronized. The shared team availability, round-robin scheduling, and collective booking options make coordination with clients and internal teams smooth. The admin features simplify managing multiple users, roles, and booking rules consistently across the team. Cal.com's open-source nature, deep customization options like white-labeling and self-hosting, powerful team features, robust integrations, and a generous free tier make it incredibly flexible. It's a reliable, flexible part of our workflow, helping eliminate tedious emails and streamline our processes. Review collected by and hosted on G2.com.

Cal.com's primary areas for improvement include a steep learning curve for non-technical users, limited mobile app functionality, and less extensive booking page customization compared to competitors. Sometimes the advanced settings can also feel a bit overwhelming for new users, especially when setting up more complex workflows. A more guided setup or clearer templates would help. Focus can be placed on enhancing native app functionality and extending visual branding options beyond basic color choices. Review collected by and hosted on G2.com.

I’ve been using Cal.com mainly to manage my meetings, schedule appointments, and automate all those tiny tasks that usually take forever. Honestly, it has made my workflow much smoother. The flexibility is the best part. Booking client calls, setting up team meetings, or creating custom scheduling pages feels simple and user-friendly. The interface is clean, modern, and super easy to understand. I love how customizable it is with features like availability, buffer times, event types, reminders, and integrations. The open-source nature makes it transparent and trustworthy. The integrations with tools like Google Calendar, Zoom, and Notion work flawlessly, making it feel like meetings manage themselves—no double-booking, no confusion, no awkward back-and-forth messages. Cal.com also looks extremely professional, helping me make a strong impression on clients and collaborators. Overall, it’s a game-changer if you value your time and want a smart, reliable way to handle scheduling. It removes the stress of managing appointments and gives you more time to focus on what actually matters. Review collected by and hosted on G2.com.

1. Setup can feel overwhelming for new users. Cal.com is powerful, but that means it has many settings. For someone new, the interface can feel complex at first. 2. Some features feel hidden or hard to find. Even though Cal.com is customizable, certain options are buried deep in menus. Review collected by and hosted on G2.com.

I use Cal.com as the essential scheduling engine for my freelance consultancy, and it has completely eliminated the back-and-forth emails for appointment setting. Clients can visit my personalized booking page, see my real-time availability synced from my Google Calendar, and select a slot, which creates a seamless and professional experience. The system automatically handles time zone conversion, sends confirmation and reminder emails, and generates a Zoom link. I appreciate its open-source foundation, which offers an unparalleled level of customization compared to closed alternatives like Calendly. I have the ability to deeply tailor the booking workflow, embed the scheduler into my site, and utilize its robust API for custom integrations. The core features are exceptionally reliable, including multiple calendar syncing and support for various event types with specific durations and buffers. Cal.com's core philosophy of user sovereignty, enabled by its open-source foundation, offers ultimate control and adaptability. It provides a polished, powerful, and reliable core product, automating everything from booking to reminders. Its primary integrations like Google Calendar, Zoom, and Stripe are seamless, making the booking process effortless and automated. Overall, it transforms scheduling into a fully automated process, freeing my mental space and time for productive work. Review collected by and hosted on G2.com.

Cal.com's primary drawbacks stem from the complexity of its powerful features. The initial setup has a steep learning curve that can overwhelm non-technical users. Advanced configurations, like complex round-robin rules, can be challenging to implement without intuitive guidance. The mobile app for managing bookings feels less polished and underdeveloped, especially for organizers, making it cumbersome to manage bookings on the go. Additionally, many community-built integrations and "Cal Apps" lack reliability and thorough documentation, putting the stability burden on the user. A more robust internal calendar management layer would improve reliability as Cal.com's availability can be affected by external calendar syncing issues. The self-hosting option introduces significant maintenance overhead for server updates and security, demanding a technical comfort level that not every user might have. Review collected by and hosted on G2.com.

What I like most about Cal.com is how easily it fits into my daily workflow at work. I use it to schedule meetings and manage availability, and it has reduced a lot of time that we used to spend on back-and-forth messaging. I can set up different booking links based on the purpose of the meeting, and everything syncs automatically with my calendar so there are no double bookings. The reminders and automated confirmations also make the process smooth for both me and the people booking with me. Review collected by and hosted on G2.com.

Sometimes it takes a little time for new users to understand all the settings and customization options. It’s not difficult, but there are many features, so onboarding could be a bit more guided for beginners. Review collected by and hosted on G2.com.

I love that Cal.com's open-source infrastructure-first approach provides a flexible backbone, making it more than just a scheduler. The free plan stands out because it offers unlimited event types and calendars, breaking the typical paywall for feature modes. The open-source core gives me ultimate data control, letting me self-host the entire platform for maximum security and compliance, which is a huge advantage over closed systems. This means I truly own my infrastructure. The real power of Cal.com is its ability to integrate everything seamlessly. I constantly use it with my core Google Calendar and Outlook to synchronize availability. For client calls, integrating with Zoom or Google Meet automatically generates meeting links, which is essential for smooth operations. Review collected by and hosted on G2.com.

Cal.com's focus on power means the initial setup and user interface can feel more complex than simpler rivals, sometimes making things like custom workflows feel like a learning curve. For non-technical users, self-hosting can be challenging. Review collected by and hosted on G2.com.

I really appreciate Cal.com for its flexibility and customizability. It's not rigid like many other scheduling tools, letting me tailor almost every part of the booking experience. I can create unlimited event types, set custom availability rules, embed schedules on websites, and even integrate payments or self-host if needed. Its open-source nature provides transparency and freedom, perfect for developers, freelancers, and small teams who want more control. The automation features are another standout. Automatic reminders, confirmations, routing bookings to team members, and automatic video-call generation help save time and reduce scheduling friction. These features make scheduling smoother, reduce manual effort, and help me stay focused on actual work instead of administrative tasks. Cal.com feels more adaptable and future-proof compared to traditional scheduling tools. Review collected by and hosted on G2.com.

The initial setup can feel overwhelming. Because Cal.com offers so many options—event types, routing logic, workflows, integrations—the onboarding process can be confusing, especially for non-technical users. A more guided setup or smarter defaults would make the first-time experience smoother. The interface could be more intuitive. Some settings feel scattered, and certain configuration menus require digging into multiple layers. A more streamlined UI or clearer navigation would help reduce setup time and make advanced features easier to use. Limited customization for the public booking page. While back-end customization is strong, the front-facing booking page has fewer design options. More layout choices, branding controls, and theme customization would make booking links look more polished and professional. Team scheduling features sometimes require fine-tuning. Features like round-robin or collective bookings work well, but they can feel complex to configure. Simplifying the logic or offering more visual explanations of routing rules would help teams adopt them faster. Mobile experience could be more optimized. Managing bookings or editing event types on mobile isn’t as smooth as on desktop. A more polished mobile interface (or a dedicated app) would improve on-the-go usability. Review collected by and hosted on G2.com.

Cal.com stands out for its exceptional ease of use. Setting up different event types and linking my calendars was remarkably simple. The platform’s seamless integration with various tools, particularly Google Calendar, has made managing my schedule effortless. This has greatly improved and streamlined my booking process. I use Cal.com so often that it’s usually the first app I open. Review collected by and hosted on G2.com.

While the platform offers a solid core set of features, I feel it lacks some advanced customization options, particularly for designing branded booking pages that could enhance its professional look. Additionally, I've observed that Customer Support tends to respond rather slowly when addressing non-urgent matters. Review collected by and hosted on G2.com.