Software Alternatives, Accelerators & Startups

Cal.com

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

Cal.com Reviews and details

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.
  • 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 / 24 days 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 / 3 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 / 5 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
  • 🔥🔥 Our awesome OSS friends 😍
    Cal.com- Cal.com is a scheduling tool that helps you schedule meetings without the back-and-forth emails. - Source: dev.to / over 1 year 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: over 1 year 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: over 1 year 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 / over 1 year 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 / over 1 year ago
  • I lose frames with a good PC and I am desperate
    Bro giving general piece of advice to CEO of cal.com 💀. Source: over 1 year 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: almost 2 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: almost 2 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: almost 2 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: almost 2 years ago
  • Co-founder for a video call scheduling SaaS
    My app’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: almost 2 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: almost 2 years ago
  • [Question] Am I the only one with Time Anxiety?
    If you are in your 20s this seems very normal - its very hard to have a slow day - I would suggest to pick up any passion project and indulge with that.On a side note I would suggest to save as much time as possible i.e be most productive and for that I would recommend using different productivity toosl like noion for note taking , cal.com for calendar or internal serach toolslike www.usefindr.com. Source: almost 2 years ago
  • Which tiny habits can you do on a daily basis to reap great benefits in the long run?
    Adopting best tools for each category, like notion for note taking, cal.com for meeting and even exploring newer categories like internal search engines like www.usefindr.com or automation tools like layup. Source: almost 2 years ago
  • opensource projects that are easy to setup locally
    I am sure there are many others like me who find it hard to set-up the projects locally and running them using dummy data. I know there are some good developer friendly projects that can be easily set up like cal.com , if you know any of them please mention them. Source: almost 2 years ago
  • Does anyone self-host CE of cal.com and successfully enable the stripe feature ? there are some bugs in the the issue tab of it.
    Yes, I feel the same way. I am disappointed with cal.com , to be honest. It's not really suitable for real-world projects, even though it claims to be an open-source project. Soon enough, you'll be blocked or forced to use the commercial license for $99 per month. I think their product is misleading because they claim to be open source, but it's only partially true. To me, it seems like a lie to generate hype! Source: almost 2 years ago

External sources with reviews and comparisons of Cal.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

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