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Cal.com VS DHTMLX

Compare Cal.com VS DHTMLX and see what are their differences

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Contents:
  1. » Base Details
  2. » Videos
  3. » Reviews
  4. » Alternatives

Cal.com logo Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.

DHTMLX logo DHTMLX

JavaScript Library for cross-platform web and mobile app development with HTML5 JavaScript widgets. Easy integration with popular JavaScript Frameworks.
  • Cal.com Landing page
    Landing page //
    2023-10-08
  • DHTMLX Landing page
    Landing page //
    2023-07-27

Cal.com features and specs

  • Customizable
    Cal.com allows extensive customization to fit various branding and scheduling needs, which makes it adaptable for different types of users including businesses and individuals.
  • Open-source
    Being an open-source platform, Cal.com provides the flexibility for developers to modify and extend the software as per their specific needs, fostering a collaborative development environment.
  • Integrations
    Cal.com offers a wide range of integrations with other software tools like Google Calendar, Microsoft Outlook, and Zoom, enhancing its functionality and making it easier to fit into existing workflows.
  • User-friendly Interface
    Cal.com has an intuitive and clean interface that makes it easy for users of all technical skill levels to set up and manage their scheduling.
  • Privacy-focused
    Cal.com emphasizes data privacy, ensuring user information is handled securely, which is crucial for users who need to comply with regulations like GDPR.

Possible disadvantages of Cal.com

  • Learning Curve
    Although it is highly customizable, the plethora of options and features may result in a steeper learning curve for new users who are not familiar with such scheduling tools.
  • Limited Free Version
    The free version of Cal.com comes with limitations that may not be sufficient for growing businesses or advanced users who require more comprehensive features.
  • Dependency on Integrations
    Cal.com's effectiveness heavily depends on its integrations. Without these integrations, some users might find the tool less useful or incomplete, especially if their primary tools are not supported.
  • Support
    While open-source has many benefits, it may also mean that immediate, personalized support could be limited compared to fully commercial solutions. This might pose a challenge for users needing quick resolutions.
  • Performance
    As an open-source platform, the performance might vary depending on how it is hosted and managed. Suboptimal configurations could lead to slower performance or downtimes.

DHTMLX features and specs

  • Comprehensive Suite
    DHTMLX offers a wide range of UI components, from grids and charts to complex Gantt and scheduler components, providing a comprehensive toolkit for web application development.
  • Rich Documentation
    The platform provides extensive documentation, demos, and examples, which are invaluable for developers in understanding and implementing various components efficiently.
  • Cross-Browser Compatibility
    DHTMLX components are designed to be fully compatible across major browsers, ensuring a consistent user experience regardless of the user's environment.
  • Support and Community
    DHTMLX offers various support options including forums and ticket-based support, alongside a strong user community that can provide insights and assistance.
  • Customizability
    The components are highly customizable, allowing developers to tailor them to fit the specific aesthetics and functionality requirements of their projects.

Possible disadvantages of DHTMLX

  • Cost
    While DHTMLX provides a free version, the full suite with advanced features requires a paid license, which can be a drawback for startups or individual developers with limited budgets.
  • Complexity
    With its comprehensive set of features, DHTMLX can have a steep learning curve for newcomers who are unfamiliar with its architecture and functionalities.
  • Dependency on Proprietary Framework
    Using DHTMLX can lead to a dependency on its particular frameworks and methodologies, which might be a concern for projects that prioritize open-source solutions.
  • Performance Overhead
    Implementing multiple DHTMLX components in a single application might introduce performance overhead, which requires optimization to maintain responsiveness.
  • Limited Open Source Contributions
    As a commercial library, DHTMLX might not benefit from as many open source contributions and innovations as purely open-source alternatives.

Cal.com videos

+ Add

What can you do with Cal? | Cal.com Version 1.1 Launch | 10 new languages

More videos:

  • Review - Cal.com Version 1.0 Launch Event

DHTMLX videos

+ Add

Dhtmlx Scheduler

More videos:

  • Review - dhtmlxGantt 6.1 Release: Time Constraints, Backward Scheduling, S-curve and dataProcessor Update
  • Review - Dhtmlx-Grid with Flux4 Part2

Category Popularity

0-100% (relative to Cal.com and DHTMLX)

Cal.com

DHTMLX

Productivity
100 100%
Productivity
0% 0
Javascript UI Libraries
0 0%
Javascript UI Libraries
100% 100
Appointments and Scheduling
100 100%
Appointments and Scheduling
0% 0
JS Library
0 0%
JS Library
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Cal.com and DHTMLX

Cal.com Reviews

I've poked around a while ago at some Calendly alternatives (specifically was lo... | Hacker News
I tried using https://cal.com for a bit but ended up just switching over to https://zcal.co and it has been great so far. All these other scheduling tools end up trying to do too much and always seem to end up a bit clunky and charge absurd amounts for it
Source: news.ycombinator.com

DHTMLX Reviews

We have no reviews of DHTMLX yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Cal.com seems to be a lot more popular than DHTMLX. While we know about 56 links to Cal.com, we've tracked only 1 mention of DHTMLX. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Cal.com mentions (56)

  • 5 Side Project Ideas for Developers to Monetize as Micro-SaaS in 2025
    Take Cal.com (https://cal.com/), formerly known as Calendso. It started as an open source alternative to Calendly which offers a free, self-hostable version for users. - Source: dev.to / 2 months ago
  • Using Clerk SSO to access Google Calendar and other service data
    BookMate is an open-source, publicly accessible, lightweight clone of popular booking services like cal.com or Calendly. - Source: dev.to / 5 months ago
  • My Journey into Open Source: First Contributions and Lessons Learned
    Then, I came across Cal.com, a fantastic open-source project for scheduling meetings and managing tasks (super useful for productivity!). I knew the basics of Git but wasn’t quite there with forking, merging branches, and all the intricate Git processes. After some YouTube tutorials, I started to get the hang of things. 😅. - Source: dev.to / 6 months ago
  • Start your own (side) business with open-source in mind
    Cal.com is an open-source event-juggling scheduler for everyone, and is free for individuals. - Source: dev.to / about 1 year ago
  • Fellow HSP entrepreneurs, how do you manage your energy and stress?
    I force clients who want to talk to me to book a call. I use cal.com (free) and my Google Calendar (which its linked to) only allows calls on specific days/times. I have a few "Call Blocks" where they can book. That let's me do calls in a small section of my week, with ample downtime to recover the rest of the week. I'm still learning how many calls a day I can handle. Currently anything more than 2 is too much. Source: over 1 year ago
View more

DHTMLX mentions (1)

  • How Much Does It Cost To a Project Management App
    To finish projects on time, efficient time management is a must. To help managers deal with deadlines, we usually implement a fully functional Gantt chart. To create a reliable and user-friendly UI, choosing the right set of tools is essential. In our work, we usually rely on Webix, a JavaScript UI library developed by the brightest minds of XB Software. Another ace up our sleeve is JavaScript UI libraries by... - Source: dev.to / over 3 years ago

What are some alternatives?

When comparing Cal.com and DHTMLX, you can also consider the following products

Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.

Bryntum - High performance web components for SaaS apps - including Gantt, Scheduler, Grid, Calendar and Kanban widgets. Seamless integration with React, Vue, Angular or plain JS apps.

TidyCal - Optimize your schedule with custom booking pages and calendar integrations

jQuery - The Write Less, Do More, JavaScript Library.

SavvyCal - A scheduling tool both the sender and the recipient will love.

Webix UI - An enterprise JavaScript Library for cross-platform app development with HTML5 JavaScript widgets and easy integration with most popular JavaScript Frameworks.

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