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A free replacement for Sun's proprietary core Java class libraries. [Open Source, GPL with exception]
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GNU Classpath GNU Project Free Software Foundation (FSF) Base core class libraries for the GCC 4.0 (gcj) and Kaffe 1.1.5 releases more news Classpath::Home GNU Classpath, Essential Libraries for Java, is a GNU project to create free core class libraries for use with virtual machines and compilers for...Port of Kaffe to the BeOS platform. [Open Source, GPL]
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BeKaffe Kaffe is going forward and is mainly focused on a new native widgets version, which will bring a native BeOS look feel. Work on the development tools is actually on hold due to the lack of developers if you are...Java Virtual Machine. Works on many platforms and includes Just-In-Time (JIT) support for most of them. PersonalJava 1.1 compliant (but does not fully support the Java 2 Platform). [Open Source, GPL]
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Kaffe.org This is the next in a series of development releases. See the announcement. Latest Release Download the source code here: Latest Development Release (September 20, 2005) kaffe-1.1.6.tar.gz Kaffe is already distributed in package form with many Linux and *BSD distributions,...A Java Virtual Machine (JVM) that supports Just In Time (JIT) compiling. [Open Source, MPL].
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ElectricalFire Fire was designed from the start to generate high-performance machine code and to be portable to many different processor architectures. General Information FAQ What's New? Development Roadmap Source Code Browsing the source Recent source check-ins Download and build instructions: Win32,...JIT plugin for the Sun JVM, for Linux and FreeBSD on x86 processors. Includes support for a transparent distributed object system, MetaVM. [Open Source, GPL]
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shuJIT: a Java Just-in-Time Compiler for x86 Added a list of papers which refer to shuJIT. January 20, 2003 0.7.14 was released. Can be compiled by GCC 3.2. Optimizes the abs methods of java.lang.Math classes by replacing them with prepared native code. In Java 2, this technique...The GNU Compiler for Java - compiles Java source or bytecode to native machine code. Most APIs are supported, except the AWT and Swing. [Open Source, GPL]
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GCJ: The GNU Compiler for Java GNU Project Free Software Foundation (FSF) Java source code directly to native machine code, Java source code to Java bytecode (class files and Java bytecode to native machine code. Compiled applications are linked with the GCJ runtime, libgcj, which provides the core class libraries, a garbage...Extending the Mozilla plug-in architecture to allow Java virtual machines to be plugged into Mozilla-based browser releases. [Open Source, MPL]
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Open JVM Integration (OJI) Please visit netscape to download Netscape 6.01 with the Java Plugin Java version 1.3.0_01 for Windows and Linux platforms. For Netscape and the Java Plugin on Sun Solaris please visit Sun. Latest Status Status reports from the weekly OJI engineering...Clean room JVM, designed for embedded systems and workstations. [Commercial]
http://www.h-plus-t.com/
Sun Microsystems backed industry body, Java Community Process (JCP) oversees development of platform and language, voted to alter community structure, officially supporting OSS implementations of Java, JCP 2.5. [The Register]
http://www.theregister.co.uk/content/4/28337.html
Information on getting Java (Kaffe) to run on Amiga computers.
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Java on the Amiga Computer There are some serious limitations at this time, but if you read on, you'll find out all you'll need to know to get Java up and running on your Amiga. If you are new to Java and don't know much...Java VM for Unix, more so Linux. Native threads and JIT compiling. Uses GNU Classpath. [Open Source, GPL]
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kissme A free Java Virtual Machine It is currently still under development but can run many console java applications. The Kissme JVM has the following properties: It runs on UNIX, particularly GNU/Linux. It is written in C (although the JIT is being written in Java) It...Combines the jJOS kernel and decaf virtual machine. [Open Source]
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SourceForge.net: JJOS (jJOS/decaf) Provide feedback on this page Recently changed page Site Status SF.net Projects JJOS (jJOS/decaf) Summary JJOS (jJOS/decaf) Stats RSS Summary Admin Home Page Tracker Bugs Support Requests Patches Feature Requests Screenshots CVS Files Sponsored Downloads About JJOS (jJOS/decaf) JJOS is...Contains releases of the Sun JDK version 1.1.8 for the NetBSD/i386 platform. [Freeware]
ftp://ftp.netbsd.org/pub/NetBSD/misc/java/i386/1.1.8/
Apple's Java implementation. Currently supports JDK1.3 and native "Aqua" look and feel on MacOS X.
http://www.apple.com/java/
A free replacement for the "javax.*" classes (core and otherwise); sibling project to GNU Classpath. [Open Source, GPL/LGPL]
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GNU and Java GNU Project Free Software Foundation (FSF) Extensions project builds free versions of Sun's Java extension libraries, the packages in the javax namespace. It is a companion project of the GNU Classpath project. ClasspathX produces vendor neutral Java code: it should work with any VM. However, we...Enabling the integration of pure Java into Microsoft .NET applications. Tools support J2SE or J2EE, allowing .NET code to access J2EE facilities including EJBs, and JNDI. SE (Standard Edition) and EE (Enterprise Edition) versions.
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JNBridge: Spanning Java and .NET Ability of two or more systems or components to exchange information and to use the information that has been exchanged IEEE] Where do you need Java and .NET interoperability? Web Services JNBridgePro Performance Low High Security Low High Reliability Low...Open source implementation of the Java runtime. Includes links to other open source resources.
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Viva Open Source Java Operation Java Freedom What are the problems with Suns new license? A: Sun has moved to a new license the Sun Community License, like the GPL it is a viral license, but making all it touches subject to Sun licensing fee. The SCSL...Java virtual machine (VM) that runs in Linux kernel, Linux kernel module JVM, based on JOS and kissme projects. [Open Source, GPL]
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teaseme A JVM that runs in the linux kernel M that runs in the linux kernel News 20 Jul 2001 Major merge with kissme codebase 16 Jul 2001 teaseme booted with the RJK kernel 20 Feb 2001 More process support code added to teaseme. Added build support for the...Open source research infrastructure for dynamic compiling and memory management; supports programs compiled to bytecode and linked with GNU Classpath libraries. [SourceForge, Open Source, Intel]
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SourceForge.net: Open Runtime Platform Provide feedback on this page Recently changed page Site Status SF.net Projects Open Runtime Platform Summary Open Runtime Platform Stats RSS Summary Admin Home Page Forums Tracker Bugs Support Requests Patches Feature Requests Mail Tasks Docs Screenshots News CVS Files...Provides free developer kits for creating and testing Java applets and applications on a number of platforms, including AIX and Linux. Also other Java tools. [Freeware]
http://www-106.ibm.com/developerworks/java/jdk/
Article by David K. Friedman and David A. Wheeler. It briefly introduces Java, provides a bit of Java history, and describes various Java implementations.
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Alternative Java Implementations This article briefly introduces Java, provides a bit of Java history, and describes various Java implementations. As of March 2005, many developers avoid using Java because it has had inadequate open source software Free Software (OSS/FS) implementations, so using Java...Java VM Just-in-Time Compiler, only for Solaris 2.5+ running on UltraSPARCs. Partially supports JDK1.1, but no AWT or Swing, and no bytecode verifier. [Open Source, BSD-like]
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LaTTe: A Fast and Efficient Java VM Just-in-Time Compiler Java became a prominent language with a wide application spectrum, from embedded systems to enterprise servers. One of the major issues in using Java is performance. The Java Virtual Machine (JVM a software layer to execute Java bytecodes, while providing...A Java virtual machine implementation that converts class files into C source files using the Soot Java bytecode analysis framework, compiles them with GCC, and loads them using a built-in ELF object file loader. [Open source, LGPL]
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JC Virtual Machine: Home Java virtual machine implementation that converts class files into C source files using the Soot Java bytecode analysis framework, compiles them with GCC, and loads them using a built-in ELF object file loader. JC utilizes the GNU Classpath class library...