Software Alternatives, Accelerators & Startups

AddEvent VS Eclipse

Compare AddEvent VS Eclipse and see what are their differences

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AddEvent logo AddEvent

Add to Calendar tools and calendar marketing software that help businesses increase event attendance and audience engagement.

Eclipse logo Eclipse

Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.
  • AddEvent AddEvent homepage
    AddEvent homepage //
    2026-05-18
  • AddEvent AddEvent Dashboard
    AddEvent Dashboard //
    2026-05-18
  • AddEvent AddEvent Templates
    AddEvent Templates //
    2026-05-18
  • AddEvent AddEvent Dynamic Add to Calendar
    AddEvent Dynamic Add to Calendar //
    2026-05-18
  • AddEvent AddEvent RSVP
    AddEvent RSVP //
    2026-05-18
  • AddEvent AddEvent Create Event
    AddEvent Create Event //
    2026-05-18
  • AddEvent Add to Calendar sharing options
    Add to Calendar sharing options //
    2026-05-18

AddEvent is a calendar marketing platform that helps businesses increase engagement, attendance, and retention through calendar-based experiences across Google Calendar, Outlook, Apple Calendar, Microsoft 365, and other major calendar platforms.

The platform provides powerful Add to Calendar technology, embeddable calendars, subscription calendars, RSVP tools, automated reminders, and calendar APIs that enable companies to turn events, webinars, product launches, campaigns, and announcements into lasting calendar engagement.

With AddEvent, businesses can create customizable Add to Calendar buttons and links, publish branded event calendars, manage RSVPs, automate event communications, and distribute events across websites, landing pages, emails, newsletters, and SaaS applications. Developers can integrate calendar functionality using flexible APIs and webhooks, while marketing and operations teams can launch calendar campaigns without extensive technical resources.

AddEvent supports a broad range of use cases including webinar promotion, virtual and in-person events, product announcements, recurring content calendars, training programs, customer onboarding, internal communications, community engagement, and event marketing automation. Organizations use AddEvent to improve attendance rates, increase campaign visibility, drive repeat engagement, and make calendars a central channel in their marketing strategy.

Trusted by marketers, publishers, SaaS companies, agencies, enterprises, and event-driven organizations worldwide, AddEvent helps brands connect with audiences so no important moment is missed.

  • Eclipse Landing page
    Landing page //
    2023-10-18

AddEvent

$ Details
freemium $29.0 / Monthly ("Unlimited Events", "2,500 Add to Calendar clicks")
Release Date
2015 September

Eclipse

Pricing URL
-
$ Details
-
Release Date
-

AddEvent features and specs

  • Ease of Use
    AddEvent provides a user-friendly interface that simplifies the process of adding events to calendars across multiple platforms such as Google Calendar, Apple Calendar, and Outlook.
  • Cross-Platform Compatibility
    The tool is compatible with a wide range of calendar applications, ensuring that users can add events regardless of their preferred platform.
  • Customization Options
    Offers extensive customization options for event notifications, links, and reminders, allowing users to tailor event details to suit their needs.
  • API Access
    Provides powerful API access for developers, facilitating integration with various applications and websites for seamless event management.
  • Analytics
    Offers analytics features that help users track event engagement and understand participant behavior effectively.
  • Add to Calendar Buttons & Links
    Let users instantly save events to Google, Outlook, Apple, and Microsoft calendars to increase attendance and engagement.
  • Subscription Calendars
    Keep audiences continuously updated with dynamic calendars that sync events automatically.
  • RSVP Tools
    Collect attendee responses and manage event participation through customizable RSVP pages.
  • Embeddable Event Calendars
    Publish branded event calendars on websites and landing pages without complex development work.
  • Recurring Events
    Easily manage repeating events, webinars, classes, and ongoing campaigns.
  • Timezone Localization
    Automatically display event times in each userโ€™s local timezone for a better global experience.
  • Marketing Integrations
    Connect with email marketing, CRM, and automation platforms to streamline event promotion.
  • White-Label & Branding
    Customize calendars, buttons, and RSVP experiences to match your brand identity.

Eclipse features and specs

  • Rich Plugin Ecosystem
    Eclipse has a large variety of plugins available, which allow for the customization and extension of its functionality. This makes it suitable for different types of development, including Java, C++, and Python.
  • Open Source
    Eclipse is free and open-source, allowing developers to contribute to and modify the codebase. This encourages community engagement and continuous improvement.
  • Cross-Platform Support
    Eclipse runs on various operating systems, including Windows, macOS, and Linux, which provides flexibility for developers working in different environments.
  • Mature and Stable
    Eclipse has been around for a long time and has a large community of users, making it a mature and stable IDE.
  • Extensive Documentation
    Eclipse offers comprehensive documentation and user guides, which are helpful for both beginners and advanced developers.

Possible disadvantages of Eclipse

  • Performance Issues
    Eclipse can be slow, particularly when dealing with large projects or numerous plugins. This can be frustrating and time-consuming for developers.
  • Complexity
    The extensive range of features and plugins can make Eclipse overwhelming and difficult to navigate for new users.
  • Heavy Resource Utilization
    Eclipse is known to consume a significant amount of system resources, which can affect the performance of other applications.
  • Steeper Learning Curve
    Due to its extensive capabilities and complexity, Eclipse may have a steeper learning curve compared to simpler IDEs.
  • Occasional Stability Issues
    While generally stable, Eclipse can sometimes be prone to crashes or bugs, particularly when using third-party plugins that are not well-maintained.

AddEvent videos

How to Customize Event Landing Pages with Design Templates

More videos:

  • Tutorial - How to Create and Share Events with AddEvent
  • Demo - What is AddEvent? Our Event and Calendar Marketing Tools Explained

Eclipse videos

Review: 2008 Mitsubishi Eclipse GT V6 (Manual)

More videos:

  • Review - 2009 Mitsubishi Eclipse Review - No Show No Go
  • Review - MotorWeek | Retro Review: '95 Mitsubishi Eclipse

Category Popularity

0-100% (relative to AddEvent and Eclipse)
Event Management
100 100%
0% 0
IDE
0 0%
100% 100
Event Registration
100 100%
0% 0
Text Editors
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 AddEvent and Eclipse

AddEvent Reviews

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Eclipse Reviews

Explore 9 Top Eclipse Alternatives for 2024
Eclipse, a pioneering platform in computer programming, was founded by IBM in the late โ€™90s. It offers an Integrated Development Environment (IDE) and supports various languages like Java, C++, Python, and more. With a rich history of innovation, Eclipse has become a go-to choice for individual programmers and large development teams alike.
Source: aircada.com
The Best IDEs for Java Development: A Comparative Analysis
Extensive Plugin System: Eclipse offers an extensive plugin system that allows developers to customize their own features. It supports more than 100 programming languages, including Groovy, JavaScript, C++, and Python.
Source: dev.to
THE BEST 34 APP DEVELOPMENT SOFTWARE IN 2022 LIST
Eclipse is a community for individuals and organisations who wish to collaborate on commercially-friendly open-source software. Its projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle. Originally created by IBM in November 2001 and supported by...
Top 10 Visual Studio Alternatives
Here at the Eclipse platforms, users can effortlessly combine several languages. Moreover, it offers other features as well. You can put your creativity at work as well. That means with the help of imagination and ideas. You can develop services.
Best Eclipse Alternatives to Use
What Do You Need to Know About Eclipse Eclipse was released in June 1999 by IBM as a platform to aid developers in producing applications based on Java technology. The software is named after the lunar event of the same name, which is where the idea of developing a platform for applications based on the Java programming language originat... Continue Reading โ†’
Source: eclipsewin.com

Social recommendations and mentions

Based on our record, Eclipse should be more popular than AddEvent. It has been mentiond 9 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.

AddEvent mentions (1)

  • Help with Google Cal Zap (email users with specific ResponseStatus)
    For funsies, here's some absurdity we had to build to work around its shittiness. We've since abandoned all use of Google Calendar and fallen in love with AddEvent. Source: almost 4 years ago

Eclipse mentions (9)

  • Microsoft: An Open-Source Comedy
    ๐Ÿ’ก You can still install extensions on vscodium using Open VSX Registry, which is an opensource project by Eclipse Foundation. - Source: dev.to / 10 months ago
  • Decryption and incomplete certificate chains
    For example I can access eclipse.org in chrome without issue. I'm seeing my PA cert when I check it's trusted. However when I run the eclipse installer it fails which I suspect is because of the decryption. I'm seeing this log in the decryption log both before and after installing the IA cert and when both using the installer or browsing the site. Source: about 3 years ago
  • The eclipse/Java struggle is real...Please help
    I think u/rayok's post is probably going to be your most relevant lead. Maybe it's a JRE related thing. I'd go ahead and reinstall eclipse from the eclipse.org download page rather than your OS app store. Maybe the JRE didnt get installed correctly idk. Source: about 3 years ago
  • nvim lsp installer fails to install jdtls
    "Failed to fetch the latest release from eclipse.org". Source: over 3 years ago
  • Eclipse doesn't start after OSX Monterey 12.1 update on M1
    After updating the Mac Air M1 Eclipse just didn't start. I downloaded AArch64 again from eclipse.org and now it works. Would there have been a smarter way to fix this? Source: over 4 years ago
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What are some alternatives?

When comparing AddEvent and Eclipse, you can also consider the following products

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.

Splash - Anyone can create a Splash event, whether you're a company hosting a single event or an individual hosting a personal event like a birthday or wedding. Get Started for Free. Text goes here. X. Full Event Program.

IntelliJ IDEA - Capable and Ergonomic IDE for JVM

DoubleDutch - DoubleDutch creates mobile applications designed to capture and surface data from live events and conferences.

Xcode - Xcode is Appleโ€™s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.