Software Alternatives, Accelerators & Startups

Redux.js VS Cal.com

Compare Redux.js VS Cal.com and see what are their differences

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Redux.js logo Redux.js

Predictable state container for JavaScript apps

Cal.com logo Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.
  • Redux.js Landing page
    Landing page //
    2022-07-17
  • Cal.com Landing page
    Landing page //
    2023-10-08

Redux.js features and specs

  • Predictable State Management
    Redux provides a single source of truth for the state of your application, which makes it easier to manage and debug. The state changes in a predictable way, which helps in maintaining consistency across the application.
  • Ecosystem and Community
    Redux has a large community and a rich ecosystem of middleware, development tools, and libraries. This support can accelerate development and troubleshooting.
  • Time-Travel Debugging
    With tools like Redux DevTools, developers can leverage features such as action logging, hot-reloading, and time-travel debugging, helping to understand and trace state changes effectively.
  • Middleware Support
    Redux supports middleware that lets you intercept actions and perform side effects like API calls, logging, or modifying actions before they reach reducers. This makes handling asynchronous operations more manageable.
  • Compatibility with React
    Although Redux can be used with any front-end library or framework, it pairs particularly well with React. Libraries like React-Redux offer seamless integration, making it easier to bind React components to the Redux store.

Possible disadvantages of Redux.js

  • Boilerplate Code
    Redux often requires a significant amount of boilerplate code, including actions, reducers, and store configuration. This may result in more verbose code, especially for simple applications.
  • Learning Curve
    Understanding the principles of Redux, such as actions, reducers, and the store, along with concepts like immutability and pure functions, can be challenging for beginners.
  • Performance Overhead
    Due to its strict immutability principles and the frequent creation of new state objects, Redux can introduce performance overhead, especially in large applications with complex state management needs.
  • Rigid Structure
    While the rigid structure of Redux can enforce good practices, it can also be restrictive and inflexible for certain types of applications. Developers might find it cumbersome to work within the boilerplate constraints.
  • Not Always Necessary
    For simple or small applications, the complexity that Redux introduces can be overkill. In such cases, alternatives like the Context API in React or simpler state management solutions might be more appropriate.

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 Redux.js

Overall verdict

  • Redux.js is considered a robust and reliable choice for managing state in large and complex JavaScript applications. However, for smaller applications or simpler state management needs, it may introduce unnecessary complexity.

Why this product is good

  • Redux.js is a popular state management library often used in React applications to manage complex states across components. It provides a predictable state container, making it easier to understand how data flows through an application. Redux promotes strict code organization, time-travel debugging, and enables state persistence in a more straightforward manner.

Recommended for

  • Applications with complex state that spans multiple components
  • Teams that require a predictable state management solution
  • Developers who need features like time-travel debugging and hot-reloading
  • Projects that require a strong coding convention for state management

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.

Redux.js videos

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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 Redux.js and Cal.com)
Javascript UI Libraries
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Productivity
0 0%
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JS Library
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Appointments and Scheduling

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Redux.js and Cal.com

Redux.js Reviews

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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

Social recommendations and mentions

Based on our record, Redux.js should be more popular than Cal.com. It has been mentiond 189 times since March 2021. 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.

Redux.js mentions (189)

  • Very Basic - Redux
    If you need more in depth information check out the documentation. https://redux.js.org/ It's actually pretty great. - Source: dev.to / about 1 month ago
  • Architecture and Design Patterns in Front-End
    In frontend, the most probably well-known approach is Flux and its most common implementation, Redux. This is an example of unidirectional data flow. - Source: dev.to / about 1 month ago
  • Organisation of Data Flows
    The best known example of an architecture with unidirectional data flow is Flux and, as its implementation, Redux. - Source: dev.to / about 2 months ago
  • Valentine’s Day Breakup: React Dumps Create React App
    CRA makes integrating libraries like Redux and React Router easy without requiring complex Webpack and Babel configurations. - Source: dev.to / 2 months ago
  • UmiJS: the Shaolin of web frameworks
    Dva. A plugin-based state management solution (Redux + Sagas). Also quite popular in narrow communities outside of the Umi world. - Source: dev.to / 2 months ago
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Cal.com mentions (56)

  • 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 / 3 months 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 / 6 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 / 8 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 / over 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
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What are some alternatives?

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

React - A JavaScript library for building user interfaces

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.

react-context - Context provides a way to pass data through the component tree without having to pass props down manually at every level.

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

Next.js - A small framework for server-rendered universal JavaScript apps

SavvyCal - A scheduling tool both the sender and the recipient will love.