Software Alternatives, Accelerators & Startups

Cal.com VS Foundation

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

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Cal.com logo Cal.com

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

Foundation logo Foundation

The most advanced responsive front-end framework in the world
  • Cal.com Landing page
    Landing page //
    2023-10-08
  • Foundation Landing page
    Landing page //
    2022-07-20

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.

Foundation features and specs

  • Customizability
    Foundation offers a high level of customizability, allowing developers to adjust the framework to meet specific project requirements.
  • Responsive Design
    Foundation is built with mobile-first design principles, ensuring that applications look and function well on a variety of devices and screen sizes.
  • Semantic Code
    The framework encourages the use of semantic HTML, making code more readable and improving accessibility.
  • Range of Components
    Foundation provides a wide array of pre-built components such as buttons, forms, and navigation bars, which can accelerate development time.
  • Strong Community Support
    The Foundation community is active and provides extensive documentation, forums, and additional resources to help developers.
  • Flex Grid
    Foundation's Flex Grid system provides a powerful and flexible way to create responsive layouts that adapt to different screen sizes.

Possible disadvantages of Foundation

  • Learning Curve
    Due to its extensive features and customizability, Foundation can have a steep learning curve for beginners.
  • Size
    The full-featured version of Foundation can be quite large, potentially slowing down load times if not optimized properly.
  • Browser Compatibility Issues
    While generally robust, Foundation has been known to have occasional compatibility issues with certain browsers, necessitating additional fixes.
  • Dependency on jQuery
    Foundation relies on jQuery for several of its components, which can be seen as outdated or unnecessary by some modern developers.
  • Complexity for Small Projects
    For smaller projects, Foundation might be overkill in terms of features and setup, making simpler frameworks or no framework a more optimal choice.

Analysis of Cal.com

Overall verdict

  • Cal.com is generally considered a good option for scheduling and calendar management.

Why this product is good

  • Cal.com is praised for its open-source nature, allowing for greater customization and integration flexibility. It offers a user-friendly interface and supports various calendar integrations, making it a versatile tool for individuals and businesses alike.

Recommended for

  • Freelancers who need a simple yet effective scheduling tool.
  • Small businesses looking for a customizable scheduling solution.
  • Developers who appreciate open-source software and need a tool they can modify.
  • Businesses seeking a platform that can integrate with existing tools and workflows.

Analysis of Foundation

Overall verdict

  • Foundation is a good choice for artists looking to enter the NFT space, offering opportunities for both emerging and established creators to reach a wider audience. The emphasis on curation and community engagement can be beneficial for those seeking recognition and growth in the digital art world.

Why this product is good

  • Foundation (get.foundation) is considered a reputable platform for digital creators and artists to showcase and sell their work as NFTs. It provides a clean and user-friendly interface, emphasizes high-quality art and design, and fosters a community of collectors and creators. The platform is built on the Ethereum blockchain, ensuring secure and transparent transactions.

Recommended for

  • Digital artists
  • NFT collectors
  • Art enthusiasts
  • Creatives looking to monetize their work

Cal.com videos

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

Foundation videos

BEST & WORST NEW FOUNDATIONS

More videos:

  • Review - BEST & WORST NEW FOUNDATIONS
  • Review - BEST & WORST FOUNDATIONS | Luxury & Drugstore

Category Popularity

0-100% (relative to Cal.com and Foundation)
Appointments and Scheduling
Design Tools
0 0%
100% 100
Calendar And Scheduling
100 100%
0% 0
CSS Framework
0 0%
100% 100

User comments

Share your experience with using Cal.com and Foundation. For example, how are they different and which one is better?
Log in or Post with

Reviews

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

Cal.com Reviews

Acuity Scheduling alternatives for businesses outgrowing it
The honest read: if you're leaving Acuity because your business outgrew simple scheduling โ€” you need deposits, add-ons, multiple staff and locations, and ideally a booking site you own โ€” Opencals is built for exactly that transition, and pay-as-you-go means it costs nothing until you're earning. If you're leaving for a narrower reason, match it precisely: SimplyBook.me for...
Source: opencals.com
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

Foundation Reviews

22 Best Bootstrap Alternatives & What Each Is Best For
The reason I picked Foundation for this list is its strong emphasis on creating responsive designs, a feature that many developers value in the era of mobile browsing. This framework differentiates itself with an ingrained mobile-first approach, ensuring that applications look great on smaller screens without sacrificing functionality or aesthetics on larger ones.
Source: thectoclub.com
15 Top Bootstrap Alternatives For Frontend Developers in 2024
Semantic, coherent, and fully customizable, the Foundation empowers developers to create designs that are not only visually appealing but also adaptable to various screen sizes. Starting with small devices, developers can gradually enhance the complexity of their designs, ensuring a fully responsive experience layer by layer.
Source: coursesity.com
9 Best Bootstrap Alternatives | Best Frontend Frameworks [2024]
Not only this, but they also have โ€˜Foundation for Emailsโ€™, which is a framework to code responsive HTML emails. Hence, whenever you are looking for an alternative to Bootstrap, do give Foundation a try.
Source: hackr.io
11 Best Material UI Alternatives
Foundation is a responsive front-end framework with CSS and JavaScript components for building modern, mobile-friendly websites. It offers a comprehensive toolkit with a modular approach, allowing developers to customize and tailor their designs to meet specific project requirements.
Source: www.uxpin.com
Top 10 Best CSS Frameworks for Front-End Developers in 2022
One of the most advanced and sophisticated UI frameworks, Foundation enables quick website development. Just like Bootstrap, Foundation follows a mobile-first approach and is fully responsive. It is very suitable for huge web applications that need a lot of styling. Foundation is customizable, flexible, and semantic. And, there are over 2k contributors on Github and decent...
Source: hackr.io

Social recommendations and mentions

Based on our record, Cal.com should be more popular than Foundation. It has been mentiond 60 times since March 2021. 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 (60)

  • "You Wouldnโ€™t Steal a DIV": How I Built My Portfolio
    Then for the component library, I was really into coss ui. I stumbled upon it randomly one day and loved it so much. My Nathan's AI project already had a UI heavily inspired by cal.com: send button, message suggestions... So when I saw they had a shadcn/ui library with that kind of style, it was perfect for what I needed. - Source: dev.to / 4 months ago
  • AI Almost Sold Me a Subscription I Didn't Need
    I keep coming back to what would have happened if I didn't have a strong technical understanding of how calendar technology works โ€” the difference between local and cloud calendars, what an ICS feed is, why enterprise auth blocks third-party integrations. If this was many years ago before I gained all this experience, I would have stopped at the first confident answer from my search tool, installed one of those... - Source: dev.to / 5 months ago
  • Introducing Quackback: Open-Source Feedback Platform with a Built-in MCP Server
    Plausible brought open source to web analytics. Cal.com did it for scheduling. Formbricks did it for surveys. PostHog did it for product analytics. Quackback does it for feedback collection. - Source: dev.to / 5 months ago
  • ๐Ÿค Learn Front-End by Doing: Contribute to Cal.com's Open Source...๐Ÿš€
    In this tutorial, we'll be focusing on Cal.com:. - Source: dev.to / 12 months ago
  • 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 / over 1 year ago
View more

Foundation mentions (22)

View more

What are some alternatives?

When comparing Cal.com and Foundation, 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.

Bootstrap - Simple and flexible HTML, CSS, and JS for popular UI components and interactions

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

Materialize CSS - A modern responsive front-end framework based on Material Design

Acuity Scheduling - Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.

Semantic UI - A UI Component library implemented using a set of specifications designed around natural language