Codename One VS J2ObjC

Compare Codename One vs J2ObjC and see what are their differences.

Codename One

Cross-platform framework for building truly native mobile apps with Java or Kotlin. Write Once Run Anywhere support for iOS, Android, Desktop & Web. (by codenameone)

J2ObjC

A Java to iOS Objective-C translation tool and runtime. (by google)
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Codename One J2ObjC
88 2
1,635 5,976
2.1% 0.1%
8.5 9.1
7 days ago 1 day ago
Java Java
GNU General Public License v3.0 or later Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

Codename One

Posts with mentions or reviews of Codename One. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-02-05.

J2ObjC

Posts with mentions or reviews of J2ObjC. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-07-09.
  • Microsoft begins “Extinguish” phase of dealing with Open Source
    3 projects | news.ycombinator.com | 9 Jul 2022
    >> What is Java's equivalent of Xamarin or Avalonia?

    Xamarin - RoboVM was a Java-based competitor to Xamarin which Xamarin acquired in 2015, but it was shutdown in 2017 after Microsoft acquired Xamarin. There are some Java-based toolkits such as https://www.codenameone.com/ that target mobile, but they are probably not as well funded as Xamarin has been under Microsoft. From what I hear Xamarin will be deprecated and replaced by MAUI.

    Avalonia - Java has had multiplatform windowing for much longer than C# has. The Java Swing toolkit has been part of Java for more than a decade and is still supported in OpenJDK. JavaFX (https://openjfx.io/) is a newer toolkit that was originally part of Java and was later spun out into its own project.

    How well are Xamarin and Avalonia supported if you are doing C# development on Mac or Linux?

    >> How do I run Java on iOS?

    As stated above, some tools such as https://www.codenameone.com/ and https://github.com/google/j2objc that convert Java code to target iOS.

    I have never tried using those tools so I am not sure how good they are.

What are some alternatives?

When comparing Codename One and J2ObjC you can also consider the following projects:

Multi-OS Engine - Multi-OS Engine: Create iOS Apps in Java (or Kotlin ... etc.)

Design Patterns - Design patterns implemented in Java

LightAdmin - [PoC] Pluggable CRUD UI library for Java web applications

sitemapgen4j - SitemapGen4j is a library to generate XML sitemaps in Java.

Maven Wrapper - The easiest way to integrate Maven into your project!

Modern Java - A Guide to Java 8 - Modern Java - A Guide to Java 8

BoofCV - Fast computer vision library for SFM, calibration, fiducials, tracking, image processing, and more.

CQEngine - Ultra-fast SQL-like queries on Java collections

Smooks - Extensible data integration Java framework for building XML and non-XML fragment-based applications