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https://github.com/hstsethi/awesome-j2me

List about everything related to J2ME, a Java specification for old keypad phones and PDAs.
https://github.com/hstsethi/awesome-j2me

List: awesome-j2me

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List about everything related to J2ME, a Java specification for old keypad phones and PDAs.

Awesome Lists containing this project

README 

        
# Awesome J2ME [![Awesome](https://awesome.re/badge.svg)](https://awesome.re)



[](https://www.oracle.com/java/technologies/javameoverview.html)



> An awesome list about Java platform Micro edition[(J2ME)](https://en.wikipedia.org/wiki/Java_Platform,_Micro_Edition). Documentation, academic papers, tutorials, communities, IDEs, SDKs, emulators, apps, video games. J2ME is a Java specification designed for old keypad phones and PDAs. MIDP is used to create Midlets, which have `.jad` or `.jar` extension, and run on platforms like old keypad phones, Symbian and PDAs.



Please give it a star(⭐) to support the development. Read about history of Awesome J2ME and above other reverse engineering projects in  Awesome J2ME article. Also check out [Awesome Symbian](https://github.com/hstsethi/awesome-symbian).



---



## Contents



- [Emulators](#emulators)

- [Development](#development)

    - [SDKs](#sdks)

    - [IDEs](#ides)

- [Reverse Engineering](#reverse-engineering)

    - [Decompilers](#decompilers)

- [Native Software](#native-software)

    - [Apps](#apps)

    - [Video Games](#video-games)

- [Related Projects](#related-projects)

- [Tutorials](#tutorials)

    - [Academic Articles](#academic-articles)

- [Communities](#communities)



---



## Emulators



- [J2ME Loader](https://github.com/nikita36078/J2ME-Loader) - J2ME emulator for Android.



- [JL Mod](https://github.com/woesss/JL-Mod) - Fork of J2ME loader with Mascot capsule v3 support.



- [JS2 J2ME](https://github.com/szatkus/js2me) - J2ME emulator for Firefox OS.



- [PSPKvm](https://sourceforge.net/projects/pspkvm/) - J2ME emulator for PSP.



- [FreeJ2ME](https://github.com/hex007/freej2me) - J2ME emulator with LibRetro, AWT and SDL2 frontends.



- [FreeJ2ME Plus](https://github.com/TASEmulators/freej2me-plus) - Active fork of FreeJ2ME.



- [Emulation General Wiki](https://emulation.gametechwiki.com/index.php/Cellphone_emulators#Java_2_Micro_Edition_.28J2ME.29) - Has a list of J2ME emulators including official SDK emulators by various phone vendors.



- [KEmulator nnmod](https://github.com/shinovon/KEmulator) - Open source J2ME emulator in Java, based on KEmulator 1.0.3.



- [SquirrelJME](https://github.com/squirreljme/squirreljme) - Java ME 8 Virtual Machine for embedded and Internet of Things devices. It has the ultimate goal of being 99.9% compatible with the Java ME standard.



---



## Development



- [NN JSON](https://github.com/shinovon/NNJSON) - JSON parser for CLDC 1.1.



- [NN JSON CLDC 1.0](https://github.com/gtrxAC/discord-j2me/tree/main/src/cc/nnproject/json) - Modified version of NN JSON for CLDC 1.0.



- [J2ME Docs](https://nikita36078.github.io/J2ME_Docs) - Documentation for J2ME and some vendor specific APIs.



- [Cibyl](https://github.com/SimonKagstrom/cibyl) - Cibyl is an environment to compile and run programs written in C,

Objective-C, C++ and possibly Fortran on J2ME phones.



### SDKs



- [Sony Ericsson](https://archive.org/details/semc_java_me_cldc_sdk.2-5-0-6) - Supports various Sony Ericsson devices. Can run Mascot capsule software too.

  

- [Sun Java Me SDK](https://www.oracle.com/java/technologies/javame-sdk/java-me-sdk-v30.html)  [mirror](https://archive.org/details/sun_java_me_sdk-3_0-win) - Successor to WTK that integrates CLDC, CDC and Blu-ray Disc Java technologies into one.



- [Sun WTK](https://www.oracle.com/java/technologies/java-archive-downloads-javame-downloads.html#sun_java_wireless_toolkit-2.5.2_01) - Official J2ME SDK by Sun.



- [MBooster](https://web.archive.org/web/20070314004015/http://innaworks.com/mBooster.html) - Optimizing suite for .jar files. Compresses images, audio, zip files and optimizes API calls.



- [Micro Code](https://web.archive.org/web/20061225061546/http://j2me-device-db.sourceforge.net/pmwiki/index.php?n=Main.HomePage) - Cross device development framework for J2ME. Supports more than 300 devices.



- [Soap ME](https://dl.acm.org/doi/abs/10.1145/1462802.1462805) - SOAP compliant Web service container that supports dynamic development.



- [J2ME Polish](https://github.com/Enough-Software/j2mepolish) - Open source, Ant based build tool for J2ME that supports building for multiple platforms including Blackberry, Symbian.



- [Extra Transit Mobile Interaction Suite](http://web.archive.org/web/20070210202710/http://www.extransit.com) - IDE and SDK for J2ME specializing in development of internet based applications.



- [Hecl](https://www.hecl.org) - A mobile scripting language based on Java, capable of running on J2ME based devices.



### IDEs



- [NetBeans 6.1](https://archive.org/download/netbeans-olds/6.1) - Mobility-pack, normal NetBeans and Java-ME SDK, all of them are required to setup MIDP development environment.



- [Eclipse](https://archive.eclipse.org/eclipse/downloads) - Archive of all versions of Eclipse IDE.



---



## Reverse Engineering



- [PyLng](https://github.com/CakesTwix/pylng) - HandyGames .lng file parser written in Python.



### Decompilers



Any decompiler that works for Java will work for J2ME too.



- [Jd Decompiler](https://java-decompiler.github.io) - Java decompiler with support for Java 5 and later.  



- [Fernflower](https://github.com/fesh0r/fernflower) - Analytical Java decompiler by Jet Brains.



- [Javadecompilers.com](https://www.javadecompilers.com) - Online Java decompiler that supports various decompilers.



- [Vineflower](https://github.com/vineflower/vineflower) - Fork of Fernflower decompiler with improved output quality.



- [Recaf](https://github.com/Col-E/Recaf) - Bytecode editor that supports multiple decompilers.

  

## Native Software



### Apps



- [Jtube](https://github.com/shinovon/JTube) - YouTube client based on Invidious API.



- [Telegram Micro](https://github.com/faissaloo/telegram-micro) - Telegram client.



- [MeBoy](http://arktos.se/meboy) - Supports emulating GBC with sound, color and save states.



- [J2ME Emu Software](https://archive.org/details/j2me-emuSoftware) - Executables, source code of various emulators that run on J2ME.



- [Hotpants](https://github.com/baumschubser/hotpants/) - HOTP/TOTP client.



- [Discord J2ME](https://github.com/gtrxAC/discord-j2me) - Unofficial Discord client for J2ME. Utilizes proxy server for HTTP, gateway connections.



### Video Games



- [Kahvibreak](https://bluemaxima.org/kahvibreak) - Collection of J2ME games.



- [Moby Games](https://www.mobygames.com/platform/j2me) - Database of J2ME games with links to official stores.



- [The "New" J2ME software archive](https://archive.org/details/96x65pixels_j2me) - 74GB+, sorted collection of J2ME games.



- [Gravity Defied CPP](https://github.com/rgimad/gravity_defied_cpp) - C++, SDL2 port of J2ME game of same name.

  

---



## Related Projects



- [J2ME Preservation](https://github.com/j2me-preservation/j2me-preservation) - Archive of various J2ME software.



- [J2ME Fandom](https://j2me.fandom.com/wiki) - Wiki of everything related to J2ME.



- [Awesome Symbian](https://github.com/hstsethi/awesome-symbian) - An Awesome List about everything related to Symbian, a discontinued mobile OS for ARM popular in early 2000s. It supports J2ME as well.



- [Cell Phone Game Preservation Wiki](https://cellphonegamespreservation.miraheze.org/wiki/Main_Page) - Wiki dedicated towards phone preservation, e.g. emulation and game dumps.



---



## Tutorials



- [J2ME In Nutshell](https://www.oreilly.com/library/view/j2me-in-a/059600253X) - "Solid, no-nonsense reference to the "alphabet soup" of micro edition programming, covering the CLDC, CDC, KVM and MIDP APIs".



- [Revive Nokia N95](https://github.com/domib97/revive.nokia.n95) - A quick guide to revive the legacy Nokia N95 and develop for it.



### Academic Articles



- [A Testing Method for Java ME Software](https://doi.org/10.1109/EmbeddedCom-ScalCom.2009.21) - Reviews various unit testing methods for J2ME and introduces a custom one for NetBeans.



- [Security Evaluation of J2ME CLDC Embedded Java Platform](http://codexx.s3.amazonaws.com/hack-ohm/j2me_cldc_security_evaluation.pdf) - Paper on J2ME security and vulnerability analysis.

 

- [Automated GUI Testing for J2ME Software Based on FSM](https://ieeexplore.ieee.org/abstract/document/5341641) - Introduces a technique for automating tests of LCDUI J2ME applications based on FSM.



- [Experiences of Implementing BitTorrent on Java ME Platform](https://ieeexplore.ieee.org/abstract/document/4446557) - Detailed writeup on implementing BitTorrent client on Nokia S40. Includes metrics and relevant works.



- [Distributed Gaming using J2ME and XML](https://www.cs.sjsu.edu/faculty/pollett/masters/Semesters/Fall03/Rekha/CS297Report.pdf) - Writeup on creating a cross-platform using Oracle XML database, IBM WebSphere VM.



- [Developing Jini applications using J2ME technology](https://dl.acm.org/doi/abs/10.5555/507165) - Book on Developing networking applications using Jini and J2ME.



- [J2ME-Based Mobile Virtual Laboratory for Engineering Education](https://www.researchgate.net/profile/Mohammed-Otair/publication/26513175_J2ME-Based_Mobile_Virtual_Laboratory_for_Engineering_Education/links/56e322ec08ae65dd4cbac21b/J2ME-Based-Mobile-Virtual-Laboratory-for-Engineering-Education.pdf) - Paper on development of an Electrical Engineering Virtual Laboratory with J2ME.



- [Technical Report: Bluetooth integration into CLDC/MIDP.](https://elib.dlr.de/6986/1/BluetoothAndMIDP.pdf) - A technical report detailing the integration of Bluetooth technology within CLDC/MIDP environments.



- [NanoBase: A tiny relation database manager for the JME CLDC/MIDP Platform](https://ojs.unifor.br/tec/article/download/32/4471) - A paper presenting NanoBase, a lightweight relational database manager specifically designed for the JME CLDC/MIDP environment.



- [MIDP based J2ME driver for accessing MySQL from mobile devices](https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=9c8c7457d965ad30f8785776d86b6f635fe5dde2p) - A paper presenting a MIDP-based J2ME driver that enables mobile devices to access MySQL databases similarly to how JDBC functions.



---



## Communities

 

- [Kahvibreak Discord](https://discord.gg/8TgbHAG) - Discord community focused on preserving J2ME games.



- [r/J2MEGaming](https://reddit.com/r/j2megaming) - Reddit community for J2ME, Symbian and related platforms.



- [HackClub Retrospect J2ME](https://retrospect.hackclub.com/j2me) - J2ME development contest by Hackclub. Features Awesome J2ME in it's resources section.



- [Ketai Wiki](https://keitaiwiki.com/wiki/KeitaiWiki) -  Wiki dedicated to cataloging games from Japanese Feature Phones (keitai), pre-Android/iPhone mobile devices released in Japan.