Software Alternatives, Accelerators & Startups

Cal.com

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

Cal.com

Cal.com Reviews and Details

This page is designed to help you find out whether Cal.com is good and if it is the right choice for you.

Screenshots and images

  • Cal.com Landing page
    Landing page //
    2023-10-08

Features & Specs

  1. 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.

  2. 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.

  3. 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.

  4. 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.

  5. 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.

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Videos

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

Cal.com Version 1.0 Launch Event

Social recommendations and mentions

We have tracked the following product recommendations or mentions on various public social media platforms and blogs. They can help you see what people think about Cal.com and what they use it for.
  • "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
  • 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 / over 1 year 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 wasnโ€™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. ๐Ÿ˜…. - Source: dev.to / over 1 year 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 / over 2 years 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 2 years ago
  • ๐Ÿ”ฅ๐Ÿ”ฅ Our awesome OSS friends ๐Ÿ˜
    Cal.com- Cal.com is a scheduling tool that helps you schedule meetings without the back-and-forth emails. - Source: dev.to / over 2 years ago
  • Cal.com Selfhost Issue: Deploying cal.com on selfhost environment gives prisma is not defined issue.
    Has any one deployed cal.com with selfhosted environment. Is yes how would have configured prisma for the same. Source: almost 3 years ago
  • Open Source, EVERYTHING??
    Recently I came across a company called cal.com, it's a Calendly alternative, but the catch is the entire software is open source: https://github.com/calcom/cal.com. Source: almost 3 years ago
  • Ask HN: What are some well-designed websites?
    Modern at first sight, but quickly dull the senses. Passable for their supreme usability (the Vercel dashboard works better on mobile than many websites on desktop). On the bottom right corners are the grandiloquent, the pompous, the extravagant. See them on Awwwards. Somehow, I feel a sizeable of Web3 websites fall into this, though I have only superficial exposure to them, with their overuse of transitions and... - Source: Hacker News / almost 3 years ago
  • NeetoCal, a calendly alternative, is a commodity and is priced accordingly
    FYI, Cal[1] is an Open Source[2] with a SaaS generous offering whose free version is adequate for most use case. No affiliation but a happy customer since its early days. It was, once, not able to compare with Calendly but has come a long way in a good way. 1. https://cal.com 2. https://github.com/calcom/cal.com. - Source: Hacker News / almost 3 years ago
  • I lose frames with a good PC and I am desperate
    Bro giving general piece of advice to CEO of cal.com ๐Ÿ’€. Source: about 3 years ago
  • Looking for a free alternative to Calendly that acts as a meeting scheduling app with some additional features
    Check out https://cal.com/ it is open source and you can run your own. Source: about 3 years ago
  • Artificial intelligence booking assistant?
    You can use Calendly or cal.com as a first step for a few of those use cases. Source: about 3 years ago
  • Advice on Headless CMS for Brand New Small Website?
    I'm currently working on a site for my sisters beauty salon! I'm using Payload, specifically the ecommerce template. Pages, services, media gallery would be different 'collections' are all very simple to setup. Then for booking and scheduling, I'm looking to integrate cal.com with Payload. It's all TypeScript based, so it has been a good dev experience for me so far! Source: about 3 years ago
  • Looking for professional Open source apps
    There are amazing open-source projects to learn from. Few are: - cal.com - dub.sh - highstorm.app. Source: about 3 years ago
  • Co-founder for a video call scheduling SaaS
    My appโ€™s main alternative Meetfox.com has been acquired by Sendinblue & Cal.com is steadily growing which means there is an audience and possibly room for another SaaS. Source: about 3 years ago
  • Should I buy a MacBook Air M1 8gb + 256 gb?
    I have a HP laptop right now i5 8GB ram and I ran cal.com's open source code locally using yarn dx and I had very little ram left, device was lagging in just switching tabs with docker open, this was my first time with docker, so will 8gb macbook relly be enough if I want to do more work with docker or kubernetes ? Source: about 3 years ago

Summary of the public mentions of Cal.com

Cal.com, an open-source scheduling tool, has garnered a mix of public opinion since its inception. The tool, formerly known as Calendso, has positioned itself as a robust alternative to the more established Calendly, drawing attention to its free, self-hostable nature. This offering has been particularly appealing to developers and firms looking for customizable, open-source solutions. The tool is appreciated for its potential low-cost deployment, making it attractive for individual users and small businesses seeking to avoid higher subscription fees associated with rivals like Calendly and Acuity Scheduling.

From various community discussions and user feedback across platforms such as Hacker News, Cal.com has been praised for its open-source ethos and versatility. Many users commend its user-friendliness and how it integrates efficiently with popular productivity tools like Google Calendar. The freedom to self-host the software is a compelling feature, especially for tech-savvy users who wish to customize the tool to their specific needs.

However, not all feedback on Cal.com is glowing. There are concerns about its practicality for "real-world projects" due to some limitations in the open-source version that may compel users to opt for the commercial license at a cost of $99 per month. Such instances have prompted discussions about its genuine suitability as a fully open-source tool. Additionally, users have mentioned that while Cal.com attempts to offer a comprehensive suite of features, it can sometimes feel overly complex or cumbersome, a sentiment echoed by similar critiques of competitors who attempt to offer a broad feature set.

Technical issues have also been a topic of discussion. Some users have pointed to specific challenges, such as problems deploying Cal.com in self-hosting environments or configuration issues with third-party integrations like Prisma. These technical hurdles can pose difficulties for users who may lack advanced technical expertise, thereby affecting their overall experience.

Conversely, Cal.com is lauded for its educational value, particularly among budding developers seeking practical experience with open-source projects. Its ability to be set up locally and configured with relative ease makes it a popular choice for those wanting to delve deeper into open-source software development.

In summary, Cal.com occupies a unique niche in the scheduling software market, appealing largely to those who value open-source softwareโ€™s flexibility and cost-effectiveness. While it offers a promising alternative to proprietary scheduling tools, potential users should weigh its open-source benefits against possible technical challenges and the need for a commercial license for unrestricted use. As the platform evolves, resolving these issues could enhance its reputation and widen its adoption beyond the current user base.

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