Software Alternatives & Startups

Cal.com VS Sing App React Java

Compare Cal.com VS Sing App React Java and see what are their differences

Cal.com

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

Rating
0 reviews
Pricing
Open source
Sing App React Java

React Admin Dashboard Template with Java Backend

Rating
0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Cal.com seems to be more popular. It has been mentioned 60 times since March 2021.

social mentions
60 vs 0
Appointments and Scheduling popularity
100% vs 0%

Base details

Website, pricing, platforms and company facts side by side.

Cal.com
Sing App React Java
Website cal.com flatlogic.com
Pricing
Open source Official pricing
Listed in

Features and specs

What each product offers, as listed by its team.

Cal.com 5 features
Sing App React Java 0 features
  • 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

  • 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.

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

Cal.com
Sing App React Java

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.

Overall verdict

  • Sing App React Java by Flatlogic is a solid, well-structured admin dashboard template that pairs a modern React frontend with a Java (Spring Boot) backend, making it a good choice for developers who want a ready-made full-stack starter kit rather than building an admin panel from scratch.

Why this product is good

  • Combines a React frontend with a Java/Spring Boot backend, giving a complete full-stack boilerplate out of the box
  • Includes pre-built UI components, charts, tables, and forms that speed up dashboard development
  • Clean and modern design that follows common admin panel UX patterns
  • Comes with authentication and basic CRUD operations already implemented
  • Good documentation and support from Flatlogic for setup and customization
  • Regularly maintained and updated to keep dependencies current
  • Affordable compared to hiring a developer to build a similar boilerplate from scratch

Recommended for

  • Developers who want a quick-start template for building admin panels or internal tools
  • Teams building SaaS products that need a Java backend paired with a React UI
  • Freelancers or agencies looking to speed up client project delivery with a pre-built dashboard
  • Startups wanting to prototype an admin interface without investing heavily in initial UI/UX design
  • Java developers who prefer Spring Boot but want a modern JavaScript frontend without building it themselves

Videos

Walkthroughs and reviews on video.

Cal.com 2 videos + Add
Sing App React Java 0 videos + Add

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

More videos

  • - Cal.com Version 1.0 Launch Event

No Sing App React Java videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Cal.com
Sing App React Java
100% 100%
0% 0%
100% 100%
0% 0%
100% 100%
0% 0%
100% 100%
0% 0%

User comments

Share your experience with using Cal.com and Sing App React Java. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Cal.com no reviews yet
Sing App React Java no reviews yet

We have no reviews of Sing App React Java yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Cal.com 60 mentions
Sing App React Java 0 mentions

View more

Tracking Sing App React Java since May 2022.

Alternatives to Cal.com and Sing App React Java

When comparing Cal.com and Sing App React Java, you can also consider the following products.