4.2BSD VS Codename One

Compare 4.2BSD vs Codename One and see what are their differences.

4.2BSD

Upload of the source of 4.2BSD taken from /usr/src (by dank101)

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)
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4.2BSD Codename One
3 88
4 1,650
- 0.9%
0.0 8.5
7 months ago 14 days ago
C Java
- GNU General Public License v3.0 or later
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.

4.2BSD

Posts with mentions or reviews of 4.2BSD. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-09-11.
  • How could the early Unix OS comprise so few lines of code?
    3 projects | news.ycombinator.com | 11 Sep 2023
    Not only early Unix; look at the original inet_addr implementation [0]. It accepts not only "0x" but also just "x" as the 16-base prefix, it doesn't really care about the numbers overflowing, and it parses 09 as equal to 011 (which is decimal 9). And the less said about the coding style, the better.

    [0] https://github.com/dank101/4.2BSD/blob/master/lib/libc/inet/...

  • Backward Compatibility, Go 1.21, and Go 2
    6 projects | news.ycombinator.com | 14 Aug 2023
    No need to guess. My man page for inet_aton says it comes from 4.3BSD: https://github.com/dank101/4.3BSD-Reno/blob/master/lib/libc/...

    The earlier inet_addr from 4.2BSD has the same logic: https://github.com/dank101/4.2BSD/blob/master/lib/libc/inet/...

    inet_aton and inet_addr parses addresses the obvious way. Using something like strtoul or especially sscanf would be stilted. The beauty of C pointers is that it makes simple parsing tasks very easy--perhaps too easy.

  • There is no such thing as a “glibc based alpine image”
    4 projects | news.ycombinator.com | 26 Aug 2021
    It probably made sense in 1983.

    https://github.com/dank101/4.2BSD/blob/master/include/netdb....

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.
  • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
    47 projects | dev.to | 5 Feb 2024
    codenameone.com — Open source, cross-platform, mobile app development toolchain for Java/Kotlin developers. Free for commercial use with an unlimited number of projects
  • Android Play Billing Needs updating
    2 projects | /r/cn1 | 29 Aug 2023
    This was resolved in this issue: https://github.com/codenameone/CodenameOne/issues/3706
  • Backward Compatibility, Go 1.21, and Go 2
    6 projects | news.ycombinator.com | 14 Aug 2023
    Naturally depends on the use case, yet they work good enough to be in business for 20 years.

    https://www.ptc.com/en/products/developer-tools/perc

    https://www.aicas.com/wp/products-services/jamaicavm-tools/

    https://www.codenameone.com/

    Android 5 & 6 (only changed back into JIT/AOT due to long compile times), https://www.infoq.com/news/2014/07/art-runtime/

    Unfortunely the best well known, Excelsior JET, is no longer in business, most likely due to GraalVM and OpenJ9 being available as free beer, while PTC, Aicas Codename One are safe in their domains.

    There is also RoboVM (https://github.com/MobiVM/robovm) as free beer, however it actually started as a commercial product, and the acquisition from Xamarin kind of stagnated it (naturally).

  • Can't Reproduce a Bug?
    1 project | dev.to | 1 Aug 2023
    At Codename One, we were using App Engine when our daily billing suddenly skyrocketed from a few dollars to hundreds. The potential cost was so high it threatened to bankrupt us within a month. Despite our best efforts, including educated guesses and fixing everything we could, we were never able to pinpoint the specific bug. Instead, we had to solve the problem through brute force.
  • Mobile Apps with Java
    1 project | /r/java | 10 Jul 2023
    We don't use GraalVM since our project was developed prior to its existence and we aimed for deeper native integration than it can offer: https://github.com/codenameone/CodenameOne
  • Developing cross platform mobile application [closed]
    2 projects | /r/codehunter | 10 Jun 2023
    XMLVM, Codename One and iSpectrum (cross compile Java code from an Android app or creating one from scratch
  • Apple Offer Codes
    1 project | /r/cn1 | 6 Jun 2023
    I suggest filing an RFE in the issue tracker.
  • Play Billing Library Version Deprecation
    1 project | /r/cn1 | 5 Jun 2023
    Thanks. It's always good to get another reminder. Yes, it was reported. u/shannah78 is working on this but we have time until November.
  • Problems compilint to android side
    1 project | /r/cn1 | 10 Mar 2023
    please check this issue https://github.com/codenameone/CodenameOne/issues/3686
  • The Holy Grail of Java Performance
    1 project | /r/java | 2 Mar 2023
    We use ParparVM which we wrote. It compiles a subset of Java 8 (sort of) to native by translating the bytecode to C and passing that through XCode. The reason we took this path and not the path of "direct to native", is that it allows for future compatibility.

What are some alternatives?

When comparing 4.2BSD and Codename One you can also consider the following projects:

HomeBrew - 🍺 The missing package manager for macOS (or Linux)

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

cosmopolitan - build-once run-anywhere c library

Design Patterns - Design patterns implemented in Java

4.3BSD-Reno - The source of the BSD version moving to POSIX complacence

J2ObjC - A Java to iOS Objective-C translation tool and runtime.

official-images - Primary source of truth for the Docker "Official Images" program

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

robovm - Ahead of time compiler for JVM bytecode targetting iOS, Mac OSX and Linux

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.