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Opal.so VS Apache Tomcat

Compare Opal.so VS Apache Tomcat and see what are their differences

Opal.so

Real Focus in Real-Time. Measure and improve your focus day by day, on iPhone, iPad and macOS.

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Rating
0 reviews
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Apache Tomcat

An open source software implementation of the Java Servlet and JavaServer Pages technologies

Rating
0 reviews
Pricing
Open source
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SquadPrime
Free MVP cost calculator: describe your app in 5 clicks and get a realistic 2026 estimate for a freelancer build, a traditional agency and a fixed-price 14-day build by senior professionals, where the client owns the code. sponsored
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, Apache Tomcat seems to be more popular. It has been mentioned 18 times since March 2021.

social mentions
0 vs 18
Productivity popularity
100% vs 0%
alternatives listed
234 vs 125

Base details

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

Opal.so
Apache Tomcat
Website opal.so tomcat.apache.org
Pricing
Official pricing
Open source
Listed in
Focus Productivity Time Tracking Time Management +1
Web And Application Servers Application Server Java Open Source +1

Features and specs

What each product offers, as listed by its team.

Opal.so 0 features
Apache Tomcat 6 features

No features have been listed yet.

  • Open Source
    Apache Tomcat is an open-source software, which means it is freely available for use and modifications. This can significantly reduce the cost of ownership and allows for customization.
  • Community Support
    Being a widely-used open-source server, Tomcat has a large and active community of developers and users who contribute to its documentation, plugins, and forums, providing extensive support.
  • Lightweight
    Tomcat is designed to be a lightweight servlet container, making it faster and less resource-intensive compared to full-blown Java EE application servers.
  • Integration with Popular Frameworks
    Tomcat integrates well with popular Java frameworks such as Spring and Hibernate, making it easier for developers to deploy and manage web applications.
  • Easy to Set Up and Configure
    Tomcat is relatively easy to set up and configure, making it suitable for both development and production environments.
  • Frequent Updates
    Regular updates and patches are released to improve performance, security, and compatibility, ensuring the server is up-to-date with the latest web technologies.

Possible disadvantages

  • Limited Functionality
    While Tomcat is a powerful servlet container, it lacks some of the advanced features found in full-fledged Java EE application servers, which might be necessary for complex enterprise applications.
  • Resource Management
    Tomcat's default configuration might not be suitable for high traffic web applications, requiring significant tweaking and tuning to handle heavy loads effectively.
  • Documentation Quality
    The documentation, while extensive, can sometimes be hard to navigate and understand, especially for beginners. This can slow down the learning curve.
  • Limited Built-in Tools
    Compared to other full-stack application servers, Tomcat comes with limited built-in tooling for monitoring, load balancing, and clustering, often requiring third-party solutions.
  • Security Concerns
    As with any open-source project, security vulnerabilities may emerge. It requires constant monitoring and timely updates to ensure security.
  • Lack of EJB Support
    Tomcat does not support Enterprise JavaBeans (EJB), limiting its use in scenarios where EJB is a crucial component of the architecture.

Analysis

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

Opal.so
Apache Tomcat

No analysis of Opal.so yet.

Overall verdict

  • Apache Tomcat is generally regarded as a reliable and effective solution for serving Java applications. Its widespread use and strong community support make it an excellent choice for developers who require a straightforward and efficient servlet container.

Why this product is good

  • Apache Tomcat is a robust, open-source web server and servlet container used to deploy Java Servlets and JSPs (Java Server Pages). It is developed and maintained by the Apache Software Foundation, which ensures a high level of support and regular updates. Tomcat is known for its lightweight nature, ease of use, and ability to integrate seamlessly with many Java-based applications.

Recommended for

  • Java developers in need of an open-source and lightweight servlet container.
  • Organizations looking to serve Java-based web applications.
  • Development teams that require a flexible and customizable environment with robust community support.

Videos

Walkthroughs and reviews on video.

Opal.so 0 videos + Add
Apache Tomcat 3 videos + Add

No Opal.so videos yet. You could help us improve this page by suggesting one.

Introducing Apache Tomcat 8.5

More videos

  • - Webinar: Introduction to Apache Tomcat 8
  • - Tcat - The Leading Enterprise Apache Tomcat Application Server

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
Opal.so
Apache Tomcat
100% 100%
Productivity
0% 0%
0% 0%
Web And Application Servers
100% 100%
100% 100%
Focus
0% 0%
0% 0%
Application Server
100% 100%

User comments

Share your experience with using Opal.so and Apache Tomcat. 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.

Opal.so no reviews yet
Apache Tomcat no reviews yet

We have no reviews of Opal.so yet. Be the first one to post

  • FOSS | Top 15 Web Servers 2021
    www.zentao.pm · Dec 2021

    Java programs are run using Apache Tomcat. To be more precise, it is a Java servlet – a Java software component that expands the functionality of a web server. Apache Tomcat, released under the Apache License version...

  • 4 Open Source Application Servers (Comparison and Review)
    shadow-soft.com · Jul 2017

    Apache Tomcat is an open-source implementation of several Java technologies. It is the result of a collaboration of the finest developers worldwide. You can get involved with the development in a number of ways.

  • Top 5 open source web servers
    opensource.com · Aug 2016

    Apache Tomcat is an open source Java servlet container that functions as a web server. A Java servlet is a Java program that extends the capabilities of a server. Although servlets can respond to any types of...

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Social recommendations and mentions

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

Opal.so 0 mentions
Apache Tomcat 18 mentions

Tracking Opal.so since May 2025.

  • Choosing a dependency
    For most mature organizations, commercial support is a requirement. Commercial dependencies provide such support by nature. For Open Source projects, support ranges from none to companies providing support on projects as part of their... - Source: dev.to / about 1 year ago
  • Java News: WildFly 36, Spring Milestones, and Open Liberty Updates
    Versions 11.0.6 and 9.0.104 of Apache Tomcat deliver new features and improvements. The release notes can be found for both versions. - Source: dev.to / over 1 year ago
  • Artifactory: Centralizing Artifact Management for DevOps Success
    Download and Install Tomcat Before downloading, confirm the latest Tomcat build package from the official website. - Source: dev.to / about 2 years ago

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Alternatives to Opal.so and Apache Tomcat

When comparing Opal.so and Apache Tomcat, you can also consider the following products.

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