Software Alternatives, Accelerators & Startups

Cal.com VS DevStream

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

Cal.com logo Cal.com

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

DevStream logo DevStream

DevStream is an open source DevOps toolchain manager, empowering you to set up flexible DevOps toolchains in 5 minutes with 1 command.
  • Cal.com Landing page
    Landing page //
    2023-10-08
  • DevStream Landing page
    Landing page //
    2023-09-02

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.

DevStream features and specs

  • Open Source
    Being open source allows for transparency, customizability, and community contributions, which can help improve the tool over time and better fit specific user needs.
  • Active Community
    An active community can provide support, share solutions, and contribute to the rapid development and debugging of the tool.
  • Integration Capabilities
    DevStream can be integrated with various other tools and platforms, enhancing its functionality and making it more adaptable to different workflows.
  • Documentation
    Having thorough and detailed documentation can help users more easily understand and utilize the tool's features, reducing the learning curve.

Possible disadvantages of DevStream

  • Maintenance
    Being community-driven, there might be periods where updates and bug fixes are less frequent, depending on community involvement.
  • Complexity
    The tool might have a steep learning curve, especially for users who are not familiar with DevOps practices or similar technologies.
  • Compatibility Issues
    There is a potential for compatibility issues with certain systems or platforms, depending on the specific configurations and updates of both the tool and the environment it's being used in.
  • Limited Resources
    As an open-source project, it might not have the same level of resources (such as customer support or dedicated development teams) as proprietary solutions, which might limit the speed and scope of developments.

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.

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

DevStream videos

Warframe Devstream 174 Cross Save Cross Trade News! Abyss of Dagath Review! What Is Next!

More videos:

  • Review - Warframe | Devstream 173: Hydroid Rework, Dagath Gameplay, Grendel Prime, Companion Rework + More!

Category Popularity

0-100% (relative to Cal.com and DevStream)
Appointments and Scheduling
Developer Tools
0 0%
100% 100
Calendar And Scheduling
100 100%
0% 0
DevOps Tools
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 DevStream

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

DevStream Reviews

We have no reviews of DevStream 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 DevStream. While we know about 60 links to Cal.com, we've tracked only 2 mentions of DevStream. 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

DevStream mentions (2)

  • Creating a DevStream (dtm) Plugin for Anything
    Check out our README for the latest status. - Source: dev.to / over 4 years ago
  • DevStream Codebase Walkthrough (Open-Source DevOps Tool Manager)
    If you haven't heard of DevStream yet, please have a quick glance over our README. - Source: dev.to / over 4 years ago

What are some alternatives?

When comparing Cal.com and DevStream, 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.

Digger - Build on AWS without having to learn it, no-code DevOps

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

Relay Public Beta - IFTTT for DevOps

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

SaltStack For DevOps - Fast and simple IT automation and configuration management