Software Alternatives, Accelerators & Startups

Cal.com VS Gumstack

Compare Cal.com VS Gumstack 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.

Gumstack logo Gumstack

Integrate video calling on your website in under 5 minutes. Have face-to-face conversations with your customers, directly on your website or app.
  • Cal.com Landing page
    Landing page //
    2023-10-08
  • Gumstack Landing page
    Landing page //
    2022-08-04

Gumstack makes it easy to have Face-to-face conversations with customers on your website. No coding required, you can integrate Gumstack in under 5 minutes on any website or part of the website. It is built to seamlessly work across browsers and devices.

Thereโ€™s more - you can invite your team members and route calls to them, or let your customers schedule calls when youโ€™re not around. Office hours, team calendars, notifications - weโ€™ve got many aspects covered as we launch this.

We are live on our website, to help people see how easy it is to connect. We welcome people to come to http://gumstack.com/saas and click on "Talk to us", to see how easy it is to connect with people.

Gumstack

$ Details
freemium $14.99 / Monthly (Beta pricing)
Platforms
Browser Android iOS Google Chrome Windows Mac OSX Firefox Safari Cross Platform
Release Date
2021 April

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.

Gumstack features and specs

  • Routing calls
  • Easy Scheduling
  • Presence and Office Hours
  • Live Video Calls
  • CRM Integration

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 Gumstack

Overall verdict

  • Gumstack appears to be a useful digital product platform, though as with any service you should verify its current features, pricing, and reviews directly before committing.

Why this product is good

  • It offers tools designed to simplify online business operations and product management
  • Digital platforms like this typically save time through automation and streamlined workflows
  • May provide integrations with common tools and payment systems used by online sellers

Recommended for

  • Small business owners looking to manage or sell products online
  • Entrepreneurs and creators seeking to streamline digital operations
  • Users who want an all-in-one solution rather than juggling multiple tools

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

Gumstack videos

No Gumstack videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Cal.com and Gumstack)
Appointments and Scheduling
Video Calls
0 0%
100% 100
Calendar And Scheduling
100 100%
0% 0
Sales
0 0%
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 Gumstack

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

Gumstack Reviews

We have no reviews of Gumstack yet.
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Social recommendations and mentions

Based on our record, Cal.com seems to be a lot more popular than Gumstack. While we know about 60 links to Cal.com, we've tracked only 1 mention of Gumstack. 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 / 5 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

Gumstack mentions (1)

  • 1-Click video calling on your website in under 5 minutes
    Hey...I am posting regarding my startup Gumstack. Many a time, we have website visitors, even repeat visitors who come to our site, but drop off, since some of their questions are never answered. And in a world of digital overload, wouldn't it be great to have an easy face to face interaction, that can elevate the conversation and make it more authentic? Source: about 5 years ago

What are some alternatives?

When comparing Cal.com and Gumstack, 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.

Daily.co for Intercom - Free video calls & screen shares embedded in Intercom

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

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

zcal - zcal is the fastest way to schedule every meeting for Free and make it personal.

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