Software Alternatives, Accelerators & Startups

Cal.com VS Cluster

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

Cal.com logo Cal.com

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

Cluster logo Cluster

A beautiful and easy way to collect and view inspiration
  • Cal.com Landing page
    Landing page //
    2023-10-08
  • Cluster Landing page
    Landing page //
    2023-07-06

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.

Cluster features and specs

  • Easy Photo Sharing
    Cluster allows users to create private groups for sharing photos, which makes it easy to share and view photos with family and friends in a secure environment.
  • Privacy Control
    The platform provides strong privacy controls, allowing users to decide who can join their groups and see shared content.
  • User-Friendly Interface
    Cluster offers an intuitive and straightforward user interface, which makes it easy for users of all ages to navigate and use the platform effectively.
  • Cross-Platform Availability
    Cluster is available on multiple platforms, including iOS, Android, and web browsers, making it accessible to users on different devices.

Possible disadvantages of Cluster

  • Limited Features
    Compared to more established social media platforms, Cluster may have fewer features and functionalities, which might not meet all user expectations.
  • Dependency on Group Creators
    Users depend on group creators for content moderation and management, which can lead to inconsistencies if the creator is inactive or not proactive.
  • Small User Base
    Cluster may have a smaller user base compared to larger social platforms, which could limit the number of people available to connect with.

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

Cluster videos

Mercedes Benz C-Class Instrument Cluster Review

More videos:

  • Review - 2019-20 RAV4 DIGITAL GAUGE CLUSTER REVIEW
  • Review - Mewah! Review Kitchen Set Cluster Lavesh Harapan Indah

Category Popularity

0-100% (relative to Cal.com and Cluster)
Productivity
94 94%
6% 6
Appointments and Scheduling
AI
0 0%
100% 100
Appointment Scheduling
100 100%
0% 0

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 Cluster

Cal.com Reviews

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

Cluster Reviews

23 Best Free Image Hosting Sites (Upload & Share) in 2022
Cluster lets you make as many albums as you like and invite as many people as you please. The platform lets you know which group members have viewed anything and alerts you when someone adds something new to an album. Only invited users can see and post anything to albums.

Social recommendations and mentions

Based on our record, Cal.com seems to be a lot more popular than Cluster. While we know about 57 links to Cal.com, we've tracked only 4 mentions of Cluster. 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 (57)

View more

Cluster mentions (4)

  • Ask HN: What photo sharing solution should we use for our destination wedding?
    Nowadays you can upload HD photos via WhatsApp. That is the easiest solution. For building projects, we shared photos and videos with Cluster. See: https://cluster.co/. - Source: Hacker News / almost 2 years ago
  • How do you handle digital pictures of the kids?
    I have an invite-only account at Cluster where the daily photos with family and friends who wouldn't find the frequent updates irritating. Source: over 3 years ago
  • Facebook Is an Addiction Treadmill Most May Never Be Able to Quit
    You mean something like Cluster? Our family has used it for years. https://cluster.co/. - Source: Hacker News / almost 4 years ago
  • How to digitise your entire family photo collection using primarily Apple products
    Check Cluster for family sharing. Or just pen drives which are pennies now. Source: over 4 years ago

What are some alternatives?

When comparing Cal.com and Cluster, 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.

OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.

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

Toast - Built to make restaurants better. Toast gives your restaurant the technology you need to succeed in today's fast-paced environment.

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

OurCam - Everybodyโ€™s photos in one place - in real time