
Ruby on Rails
ASP.NET
ember.js
Backbone.js
AngularJS
ExpressJS
Derby.js
Opa is an open source, simple and unified platform for writing web applications.

Microsoft Visual Studio
IntelliJ IDEA
Sublime Text
Xcode
VS Code
Eclipse
Vim
NetBeans IDE 7.0. Develop desktop, mobile and web applications with Java, PHP, C/C++ and more. Runs on Windows, Linux, Mac OS X and Solaris. NetBeans IDE is open-source and free.
Which is more popular?
Based on our record, Netbeans should be more popular than Opa. It has been mentioned 17 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | opalang.org | netbeans.apache.org |
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What each product offers, as listed by its team.


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


No analysis of Opa yet.
Overall verdict
Why this product is good
Recommended for
Java developers, web developers using HTML5, JavaScript, or PHP, beginner programmers looking for a free and powerful IDE, and developers who prefer an open-source environment.
Walkthroughs and reviews on video.
My food review at Opa of Greece!
More videos
A Review of the NetBeans Project from Geertjan Wielenga
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


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User Satisfaction: With a user rating of 4.1 out of 5 and user satisfaction of 82%, NetBeans offers a solid development experience.
NetBeans IDE helps you build HTML5 applications, web applications, Java desktop applications, and mobile applications. If you are a PHP or C++ developer, it offers you great tools. NetBeans IDE has a large number of...
Rounding out my list at number ten is NetBeans, a free and open-source integrated development environment. While often thought of as Java IDE, NetBeans also offers robust support for C++ and is favored by developers...
Recommendations tracked on public social media and blogs since March 2021.


Definitely Opa: http://opalang.org/ In 2011, before TypeScript, Next.js or even React, they had seamless server-client code, in a strongly typed functional language with support for features like JSX-like inline HTML, async/await, string... - Source: Hacker News / about 1 year ago
Opa language 2012, it was a typed nextjs before its time. http://opalang.org/ I think the market was still skeptical about nodejs on the server at the time but other than that I don’t really know why it didn’t take off. - Source: Hacker News / about 1 year ago
A tool to solve optimization problems using quantum computers. Just released the first open-source version https://github.com/pasqal-io/maximum-independent-set/. We'll see if I have the energy to work on that. - Source: Hacker News / over 1 year ago
Popular choices include IntelliJ IDEA, Eclipse, VScode, and NetBeans. - Source: dev.to / about 2 years ago
Visual Studio is an IDE and code editor which you can use to write, debug, build code and then afterwards publish it. Examples of other softwares in the IDE category like Visual Studio include Intellij IDEA, Eclipse IDE, PyCharm, Code... - Source: dev.to / about 2 years ago
Apache Netbeans — Development Environment, Tooling Platform and Application Framework. - Source: dev.to / almost 3 years ago
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ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.
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A JavaScript framework for creating ambitious web apps
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Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
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