Pure Java

The Java Text Categorizing Library (JTCL) is a pure java implementation of libTextCat which in turn is 'a library that was primarily developed for language guessing, a task on which it is known to perform with near-perfect accuracy.'

An implementation of the VP8 image/video codec in pure Java.

JEQ is class library written in pure Java. It implements the infinite impulse response (IIR) algorithm for bandpass filtering of sound stream. So, it represents a backend code for stereo 10/15/25/31-band equalizer.


Platforms: Windows, Mac, Linux

JMathStudio is a pure Java based object oriented digital image and signal processing library. This library/toolkit provides a Java developer with many of the advanced and basic discrete image and signal processing ( 500+ useful operations/transforms) capabilities. This is a standalone toolkit...


Platforms: Windows, Mac, Linux

jPGAdmin is a pure java GUI front end for the postgresql database, much like PGAdmin II, or pgaccess, except that by virtue of being written in java it is cross-platform


Platforms: Windows, Mac, Linux

MFlash is a tested SMS engine written in pure Java.Supports OTA, SMPP, CIMD2. It has been implemented in Banks for mobile banking, Tractor Manufacturer for Sales Force Integration, Goverment for customs clearance status,White goods multinational for CRM.


Platforms: Windows, Mac, Linux

RES is a pure Java based Open Source Cobol to Java translator. It creates maintainable Java code for a subset of VS Cobol syntax. It has been developed with JDK, JTB and Javacc.


Platforms: Windows, Mac, Linux

SmallSQL is a 100% pure Java DBMS, a relational database for Java desktop applications. It has a JDBC 3.0 interface and offering many ANSI SQL 92 and ANSI SQL 99 features. It is very small and fast Java library. It does not have a network interface.


Platforms: Windows, Mac, Linux

JBother is a Jabber client written in pure Java (1.4.x). It supports groupchat in a tabbed window, multiple resources, transport registration (so you can get on AIM, MSN, Yahoo!, and ICQ through JBother), sounds for different events, has several different skins, and should run on any platform...


Platforms: *nix

The Java Apache Mail Enterprise Server (a.k.a. Apache James) is a 100% pure Java SMTP and POP3 Mail server and NNTP News server. It is designed James to be a complete and portable enterprise mail engine solution based on currently available open protocols. James is also a mail application...


Platforms: *nix

IrssiBot is an IRC bot written in pure Java. IrssiBot is a powerful IRC automation - a "bot" - that was written for my personal needs & fun in summer/fall 2000. It is written in 100% Java, giving it advantages to traditional platform dependent counterparts in flexibility and ease of development....


Platforms: *nix

Ganymed SSH-2 for Java is developed as a library that can implement the SSH-2 protocol in pure Java (tested on J2SE 1.4.2 and 5.0). It allows one to connect to SSH servers from within Java programs. It supports SSH sessions (remote command execution and shell access), local and remote port...


Platforms: Windows

Jython is an implementation of the high-level, dynamic, object-oriented language Python written in 100% Pure Java, and seamlessly integrated with the Java platform. It thus allows you to run Python on any Java platform.Jython is an implementation of the high-level, dynamic, object-oriented...


Platforms: Windows, Mac, *nix, Java, BSD Solaris

OpenSFTP provides a FREE and HANDY set of utilities in pure Java designed to ease your work with SFTP. OpenSFTP consists of three low-coupling parts: * OpenSftp-api. A well designed set of API. * OpenSftp-impl. A reference implementation. * Pluggable, configurable, and customizable modules,...


Platforms: *nix

A Flight through 10000 Stars. Programmed with pure java 1.3. The challange was to calculate with integer to improve the performance. A Random function generate a star with a speed and a direction, if the star is out of the screen it is replaced by a new star at the far center of the screen. A...


Platforms: Windows, Mac, *nix, Windows CE

Mouse Gestures is an open source (LGPL) pure Java library for recognition and processing mouse gestures. With Mouse Gestures you have a fast way to execute commands without using the keyboard, menus or toolbars. The user just holds down a mouse button and moves the mouse in a certain predefined way.


Platforms: Not Applicable

jTDS is an open source 100% pure Java (type 4) JDBC 3.0 driver for Microsoft SQL Server (6.5, 7, 2000 and 2005) and Sybase (10, 11, 12, 15). jTDS is based on FreeTDS and is currently the fastest production-ready JDBC driver for SQL Server and Sybase. jTDS is 100% JDBC 3.0 compatible, supporting...


Platforms: *nix

SwingWT is a 100% pure Java library which aims to be a free implementation of Swing and AWT. Unlike Swing, SwingWT drives native peer widgets for your platform from SWT. You can see a screenshot of the basic SwingWT demo here (Linux/GTK2) and here (MacOSX)..


Platforms: *nix

Sanselan is a Pure-Java library reads & writes a variety of image formats, including fast parsing of image metadata (size, color space, icc profile, etc.). This library is pure Java. Its slow, consequently, but perfectly portable. Its easier to use than ImageIO/JAI/Toolkit (Sun/Javas image...


Platforms: *nix

JGlade is a reimplementation of libglade in pure Java that enables Glade UI designs to be ported to platform independent toolkits, like SWT and Eclipse. Toolkits are managed through an Abstract factory, and pluggable modules supporting other toolkits can be implemented. Glade UI designer...


Platforms: *nix