Provides API for creating and manipulation of 3D geometry

https://www.oracle.com/java/technologies/javase/java-3d.html https://download.java.net/media/java3d/builds/release/1.5.2/README-download.html

Reference Implementation of JSR 919

https://javaee.github.io/javamail/

JSW enables a Java application to be run as a Unix daemon

https://wrapper.tanukisoftware.org/

Lossless compression for bi-level images such as scanned pages, faxes

https://www.cl.cam.ac.uk/~mgk25/jbigkit/

Powerful programmer\x27s text editor written in Java

http://jedit.sourceforge.net/

Converts JFile database to CSV, and vice versa

http://www.land-j.com/jfileu.html

Simulates a jigsaw puzzle and illustrates the use of clipping paths

http://gap.nongnu.org/jigsaw/

English to Japanese dictionary for GNUstep

https://www.eskimo.com/~pburns/Dictionaries/

Jim Knoble's font package for X

http://www.jmknoble.net/fonts/

Joe's Own Editor

https://sourceforge.net/projects/joe-editor/

Dynamic web content management system (CMS)

http://www.joomla.org/

Dynamic web content management system (CMS)

https://www.joomla.org/

Dynamic web content management system (CMS)

https://www.joomla.org/

Implementation of Ruby Interpreter in Pure Java

http://jruby.org/

Kanji-Kana Simple Inverter, language filter for Japanese

http://kakasi.namazu.org/

Japanese kana (Hiragana and Katakana) simple flashcard tool

https://kanatest.sourceforge.io/

Dictionary management tool for anthy

http://kasumi.sourceforge.jp/

Dictionary management tool for anthy-unicode

https://github.com/fujiwarat/kasumi-unicode/

Kanji code conversion Filter

Support for KDE to interface between your phone and your computer

https://community.kde.org/KDEConnect

FFmpeg-based thumbnail generator for video files

https://www.kde.org/

Library to create business diagrams

https://projects.kde.org/kdiagram

Library to create business diagrams

https://projects.kde.org/kdiagram

Light-weight and easy-to-use password manager

https://keepass.info/

KeePass plugin which facilitates the Kee Firefox plugin

https://www.kee.pm/

Library for registering keyboard shortcuts

https://github.com/engla/keybinder

Khmer OS fonts

https://sourceforge.net/projects/khmer/

802.11 layer2 wireless network detector, sniffer, and IDS

https://www.kismetwireless.net/

KDE Screen magnifier

https://www.kde.org/applications/utilities/kmag/

Compiler of Keyman KMFL keyboard sources to use with SCIM/IBus

https://kmfl.sourceforge.net/

Automatic mouse click tool for KDE

https://www.kde.org/applications/utilities/kmousetool/

Speech synthesizer frontend for KDE

https://www.kde.org/applications/utilities/kmouth/

A threaded nntp newsreader for X

Chess board program for KDE

https://apps.kde.org/knights/

Tetris-like game for GNUstep

http://www.nongnu.org/gap/lapispuzzle/

Session management system for JACK audio applications

https://www.nongnu.org/lash/

Image viewer and slideshow application

http://gap.nongnu.org/

LaTeX service for GNUstep

http://www.roard.com/latexservice/

Microsoft .CABinet file creator

http://ohnopub.net/~ohnobinki/lcab/

Linux Test Project GCOV extension

https://ltp.sourceforge.net/coverage/lcov.php

Webfrontend for managing accounts stored in an OpenLDAP server

https://www.ldap-account-manager.org/lamcms/

Maintain DNS zones using an LDAP directory

https://github.com/bklang/ldap2dns

Utility for patching LDAP directories using LDIF files

https://launchpad.net/ldapdiff

Better pager utility

https://www.greenwoodsoftware.com/less/

Free library for decoding ATSC A/52 streams, aka AC-3

https://git.adelielinux.org/community/a52dec/

Portable audio output library

https://www.xiph.org/ao/

KSNI App Indicator library

https://launchpad.net/libappindicator

Atomic operations access library

https://github.com/ivmai/libatomic_ops

Sound library for SGI audio file

https://www.68k.org/~michael/audiofile/

Component and compound document system for GNOME2

http://www.gnome.org/