Software Alternatives, Accelerators & Startups

phpBB VS Cal.com

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

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phpBB logo phpBB

Raspberry Pi. The Raspberry Pi is a cheap, credit-card sized computer. The official website uses phpBB for their discussion forums. phpBB is not affiliated with nor responsible for any of the sites listed on the showcase.

Cal.com logo Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.
  • phpBB Landing page
    Landing page //
    2023-03-23
  • Cal.com Landing page
    Landing page //
    2023-10-08

phpBB features and specs

  • Open Source
    phpBB is an open-source software, which means it is free to use, modify, and distribute. This can drastically reduce the cost of setting up a forum.
  • Customizability
    phpBB offers extensive customization options, including a wide array of plugins and themes to tailor the forum to specific needs.
  • Extensive Documentation
    The platform has comprehensive documentation, tutorials, and a supportive community, making it easier for users to navigate and solve issues.
  • Strong Security Features
    phpBB comes with built-in security features such as anti-spam measures and CAPTCHA validation to protect against unauthorized access and spam.
  • Scalability
    It is highly scalable, capable of handling small communities and large, high-traffic forums effectively.
  • Active Community
    There is a large, active user community which contributes to ongoing development and provides support.

Possible disadvantages of phpBB

  • Complex Setup and Maintenance
    Setting up and maintaining phpBB can be complex and may require a certain level of technical expertise, especially for beginners.
  • Frequent Updates
    The need for frequent updates can be considered a downside as managing updates and compatibility with plugins and themes can be time-consuming.
  • Performance Issues
    Large forums with high traffic can experience performance issues if not properly optimized.
  • Limited Built-in Features
    Some advanced features are not available out-of-the-box and require additional plugins or custom development.
  • Potential Security Vulnerabilities
    As with any popular platform, phpBB can be a target for hackers if not properly maintained with timely updates and security best practices.

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.

Analysis of phpBB

Overall verdict

  • phpBB is a good choice for those looking for a free and feature-rich forum platform. Its flexibility and customizability make it suitable for a variety of online communities. However, it may require a bit of a learning curve for users unfamiliar with forum software.

Why this product is good

  • phpBB is a popular open-source forum software known for its robust set of features, strong community support, and extensive customization options. It offers users the ability to create and manage forums with ease, supports a wide range of extensions, and provides a high level of security. Its comprehensive documentation and active support community make it an appealing choice for both beginners and experienced users.

Recommended for

    phpBB is recommended for individuals or organizations looking to build and manage an online community. It is well-suited for those who want a customizable and secure forum solution, especially if they have the technical skills to take advantage of its extensive features and customization options.

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.

phpBB videos

PHPbb for Beginners - Creating a Community Forum

More videos:

  • Review - A SQL injection example using phpBB | Ars Technica

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

Category Popularity

0-100% (relative to phpBB and Cal.com)
Forums And Forum Software
Appointments and Scheduling
Forums
100 100%
0% 0
Calendar And Scheduling
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 phpBB and Cal.com

phpBB Reviews

We have no reviews of phpBB yet.
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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

Social recommendations and mentions

Based on our record, Cal.com seems to be a lot more popular than phpBB. While we know about 60 links to Cal.com, we've tracked only 2 mentions of phpBB. 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.

phpBB mentions (2)

  • Best way to host a small forum?
    Excellent! Glad we could get you sorted! Hosting can be scary and it's okay to be afraid to touch things or not understand certain settings or terms. Especially if you're new. The key is to read the documentation. For your forum needs, this can be found at https://mybb.com and https://phpbb.com. Source: over 2 years ago
  • Looking for resources to learn authentication and security in-depth
    You may find a current, object-oriented version of phpBB to be just the ticket. It will teach you how to structure the database, authenticate users, manage sessions and selectively display content according to user level, group membership, and other policies. Source: about 5 years ago

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 / 11 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
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What are some alternatives?

When comparing phpBB and Cal.com, you can also consider the following products

Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.

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.

XenForo - Intuitive. Social. Engaging. Fast. XenForo brings a fresh outlook to forum software.

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

Flarum - Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free.

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