25 amazing open source Java desktop applications

16 June 2016, M. Schulenburg

SQuirreL SQL Client

SQuirreL SQL Client is a graphical Java program that will allow you to view the structure of a JDBC compliant database, browse the data in tables, issue SQL commands etc. The minimum version of Java supported is 1.3
SQuirreL SQL Client
https://sourceforge.net/projects/squirrel-sql/
http://www.squirrelsql.org/

Pixelitor

Pixelitor is a free and open source image editing software that supports layers, layer masks, text layers, filters, multiple undo etc.
Pixelitor
https://sourceforge.net/projects/pixelitor/
http://pixelitor.sourceforge.net/

Jalmus

Jalmus is a free, open source music education software helping the musicians, especially pianists, to improve their sight-reading. You can train to read music with both exercises on notes or rhythms.
Jalmus
https://sourceforge.net/projects/jalmus/
http://jalmus.net/

DataMelt

interactive environment for scientific computation, data analysis and data visualization
DataMelt
https://sourceforge.net/projects/dmelt/
http://jwork.org/dmelt/

QRCodeGen

QRCodeGen is a free application which generates QR Codes from WLAN credentials,VCards, e-mail addresses, URLs, free text, geographic coordinates etc.
The QR Code can be printed, saved as BMP, GIF or PNG, or copied to clipboard to use in other applications.
QRCodeGen
https://sites.google.com/site/qrcodeforwn/
https://sites.google.com/site/qrcodeforwn/home/qr-code-generator-for-wireless-networks

Java Mass Jpeg Resizer Tool

Java Mass JPEG, create your photo album in a few minutes, resize and pack, create galleries.
Java Mass Jpeg Resizer Tool
https://sourceforge.net/projects/jmjrst/
http://jmjrst.sourceforge.net/

Art of illusion

Art of Illusion is a full featured 3D modelling, rendering, and animation studio. It is written entirely in Java, and can run on almost any operating system.
Art of illusion
https://sourceforge.net/projects/aoi/
http://www.artofillusion.org/

Angry IP scanner

Angry IP scanner is fast and friendly network scanner for Windows, Linux, and Mac. It is very extensible, allowing it to be used for very wide range of purposes, with the primary goal of being useful to network administrators.
Angry IP scanner
https://sourceforge.net/projects/ipscan/
http://angryip.org/

freeplane

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.
freeplane
https://sourceforge.net/projects/freeplane/
http://www.freeplane.org

GanttProject

Free project scheduling and management tool
GanttProject
https://sourceforge.net/projects/ganttproject/
http://www.ganttproject.biz/

Jubler Subtitle Editor

Jubler is a tool for editing text-based subtitles. It can be used an an authoring software for new subtitles or as a tool to convert, transform, correct, and refine existing subtitles.
Jubler Subtitle Editor
https://sourceforge.net/projects/jubler/
http://www.jubler.org/

ArgoUML

UML modeling tool
ArgoUML
https://sourceforge.net/projects/argouml/
http://argouml.tigris.org/

ImageJ

Image Manipulation
ImageJ
https://sourceforge.net/projects/imagej/
https://imagej.nih.gov/ij/

jpdftweak (Beta)

jPDF Tweak is a Java Swing application that can combine, split, rotate, reorder, watermark, encrypt, sign, and otherwise tweak PDF files.
It can be used to make printable booklets from your PDFs, to add PDF bookmarks, effects (page transitions), to combine multiple PDF files, to watermark them, to rotate pages that do not fit, to attach files to your PDF, to encrypt and sign your PDFs, to change metadata (like author or keywords), and much more.
jpdftweak (Beta)
https://sourceforge.net/projects/jpdftweak/
http://jpdftweak.sourceforge.net/

atunes

Cross-platform player and audio manager
atunes
https://sourceforge.net/projects/atunes/
http://www.atunes.org/

Jdiskreport

JDiskReport enables you to understand how much space the files and directories consume on your disk drives, and it helps you find obsolete files and folders.
The tool analyses your disk drives and collects several statistics which you can view as overview charts and details tables.
Jdiskreport
http://www.jgoodies.com/freeware/jdiskreport/


mucommander

muCommander is a cross-platform file manager with a dual-pane interface that features support for many filesystems and archives formats, bookmarks, credentials management, themes, multiple windows, full keyboard control, and many configuration options.
mucommander
https://sourceforge.net/projects/mucommander/
http://www.mucommander.com/

jEdit

jEdit is a programmer's text editor written in Java. It uses the Swing toolkit for the GUI and can be configured as a rather powerful IDE through the use of its plugin architecture.
jEdit
https://sourceforge.net/projects/jedit/
http://www.jedit.org/

Sweet Home 3D

Sweet Home 3D is an interior design application that helps you to quickly draw the floor plan of your house, arrange furniture on it, and visit the results in 3D.
Sweet Home 3D
https://sourceforge.net/projects/sweethome3d/
http://www.sweethome3d.com/

JPC X86 PC emulator

x86 PC emulator
JPC X86 PC emulator
https://sourceforge.net/projects/jpc/
http://jpc.sourceforge.net/

ytd2

Java Youtube downloader
ytd2
https://sourceforge.net/projects/ytd2/
http://ytd2.sourceforge.net/

Tiny Java Webserver

TJWS is an Open Source HTTP Server and Servlet container written in 100% Java. It's designed to be light weight, high performance, secure, embeddable, extensible and flexible. Very small footprinted (~99K), CGI, J2EE/JSP compatible. Servlet spec 3.0
Tiny Java Webserver
https://sourceforge.net/projects/tjws/
http://tjws.sourceforge.net/

Hodoku - Sudoku

Sudoku generator/solver/analyzer written in Java (English and German). Lots of human style techniques (singles, subsets, LCs, fish, wings, uniqueness, coloring, chains, ALS), powerful analyzer (manage multiple solutions for one sudoku). Includes Learning and training modes and a booklet printer.
Hodoku - Sudoku
https://sourceforge.net/projects/hodoku/
http://hodoku.sourceforge.net/en/index.php

impro-visor

Impro-Visor is a music notation tool for producing monophonic lead sheets. Chord symbols are used to generate backing tracks automatically.
impro-visor
https://github.com/Impro-Visor/Impro-Visor
https://sourceforge.net/projects/impro-visor/

FidoCADJ

A multiplatform vector drawing program with a complete library of electronic symbols. Schematics and drawings are stored in a very compact text format. There is no netlist concept behind the drawings (so no simulation, and this is a choice) but this allows a great graphical flexibility and ease of use, making FidoCadJ the perfect tool for exchange sketches in forum and newsgroup discussions with a few clicks.
FidoCADJ
http://darwinne.github.io/FidoCadJ/
https://sourceforge.net/projects/fidocadj/