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Last Update/Developer
Alchemy v008
Alchemy v008 Experimental open source drawing and sketching software for exploring creative ideas. Alchemy is an open source drawing application designed to help artists, designers, and creative thinkers generate ideas during the earliest stages of the creative process. Rather than focusing on producing polished artwork, Alchemy encourages experimentation through a collection of unique drawing modules that introduce randomness, symmetry, procedural shapes, voice interaction, and other unconventional techniques. The intentionally minimalist interface removes distractions such as undo and object editing, allowing users to rapidly explore concepts and discover unexpected forms. Built in Java, Alchemy is cross-platform and extensible through a modular plugin system, making it easy for developers and artists to create and share their own drawing modules. Features: • Experimental sketching environment focused on concept generation • Minimal interface designed to reduce distractions • Modular architecture with removable and expandable drawing modules • Random and procedural shape generation • Real-time mirror drawing for symmetrical artwork • Blind drawing mode for creative experimentation • Voice-controlled drawing modules • Session recording with automatic PDF snapshots • Automatic canvas clearing at configurable intervals • Export artwork as SVG, PDF, PNG, and JPEG • Adjustable export image scaling • Horizontal and vertical canvas flipping • Smooth, Ribbon Shapes, Limit, and Splatter Shapes modules • Configurable background transparency • Open source and extensible through custom Java modules Supported operating systems: • Windows • macOS • Linux • Requires Java Runtime Environment 1.5 or higher required Supported languages: • English, Persian Changes: v008 • Added SVG export and switching support using the Batik library • Added export image scaling for JPEG and PNG • Added horizontal and vertical canvas flipping • Added Smooth, Ribbon Shapes, Limit, and Splatter Shapes modules • Added configurable background transparency • Added Persian localization • Added outline-only rendering option for Shapes module while drawing • Alchemy now remembers the export directory between sessions • Fixed Mirror and Color Switcher coloring issues • Improved Color Palette positioning • Updated the JPen tablet library • Fixed fullscreen transparent mode rendering • Fixed ...
5/5 3,986 Jun 25, 2026
Karl D.D. Willis/Jacob Hina
Data Crow v5.1.4
Data Crow v5.1.4 👉 A powerful open-source media cataloging and collection management application. Data Crow is a highly customizable cataloging application designed to help users organize and manage virtually any type of collection. It allows you to catalog movies, music, books, software, games, comics, photographs, tools, wines, contacts, and custom collections using flexible templates and user-defined fields. Data Crow can automatically retrieve information from online services, helping populate collection entries with detailed metadata, images, and descriptions. Built with flexibility in mind, Data Crow supports advanced searching, filtering, lending administration, barcode support, and extensive export/import capabilities. Users can create completely custom modules to track nearly anything, making it useful for both personal collectors and professional inventory management. The software also supports multi-user environments and includes reporting tools for generating detailed collection summaries. Features: • Catalog movies, books, music, software, games, comics, contacts, and more • Create fully customizable collection modules and fields • Automatically download item details and cover artwork from online sources • Advanced search, filtering, and sorting capabilities • Barcode scanning and lending administration support • Import and export data in multiple formats • Generate customizable reports and statistics • Store images, attachments, and detailed notes • Multi-user database support for shared collections • Built-in loan tracking for borrowed items • Cross-platform Java-based application • Extensive plugin and scripting support Click here to view the documentation. Supported operating systems: • Windows 7, Windows 8, Windows 10, Windows 11 • macOS • Linux Supported languages: English, Dutch, German, French, Spanish, Portuguese, Italian, Polish, Russian, Chinese, Japanese Changes: v5.1.4 06-18-26 • Fixed missing time components for creation and modification timestamps on new installations. • Fixed the advanced filter dialog in server-to-client mode for Books, TV Series, and several other modules. • Added the /login/status/unsecure API endpoint for Data Crow Reader v1.1 automatic login detection. • Google Books searches now direct users to create a free API ...
5/5 9,829 Jul 03, 2026
Robert Jan Van Der Waals
FreePlane v1.13.2
FreePlane v1.13.2 👉 Free and open-source mind mapping, knowledge management and project planning software. Freeplane is a free and open-source application for mind mapping, knowledge management, project management, note taking, outlining and organizing ideas. It helps you capture thoughts, structure information, analyze relationships, create visual maps and manage personal, school or work projects. Features: • Create and edit mind maps, concept maps and information maps • Organize ideas, notes, tasks, projects and research • Navigate large maps with folding, filtering and searching • Add links, notes, icons, attributes and formatted content • Supports add-ons and scripting for extended functionality • Can run installed or from removable storage • AI integration support in newer Java environments • Open-source and community-developed Changes: v1.12.16 01-06-26 Bug fix: deactivate outline for file mode Supported operating systems: • Windows with Java 8 to 22, or Windows installer with embedded Java • macOS Intel and Apple Silicon using DMG builds with embedded Java • Linux using DEB installer or ZIP archive, requires Java 11 to 21 Supported languages: Multilingual, English source language, Freeplane is translated into 40 languages using Weblate Changes: v1.13.2 02-23-26 Support AI integration on any Java >= 17 Show a message that AI is not available on Java <= 16 Option to scale fonts in AI chat Save secrets in separate secrets.properties This download is for the Windows portable version (very bottom of page). If you need the Windows installable version, download here. If you need the Windows installable Touchscreen version, download here. If you need the MacOS Intel version, download here. If you need the MacOS Apple Silicone version, download here. If you need the Linux Debian version, download here. If you need the Freeplane Handbook, download here. Click here to visit the author's website.
5/5 5,773 May 26, 2026
Dimitry Polivaev
Java Open Chess 1.5
Java Open Chess 1.5 Java Open Chess is a project written in Java in NetBeans IDE. There is possibility to play for 2 players on local computers and via network connection. There is also an option to play versus quite weak computer opponent. Stronger computer opponents will be implemented soon. ATTENTION: Requires Java 1.8 or higher! Features 2 local players game 2 network players game (as client and as server) 1 player mode (versus CPU) Tabbed window - each game in separate tab Each tab can be both client and server in case of network game Save game in chess notation (in both PGN and FEN) Load game in chess notation (in both PGN and FEN) Game clock Chat during network game Partialy themable interface (chessboard and pieces) Move history with move back / move forward in local game and over internet Requires Java 1.8 or higher!
5/5 6,586 Feb 29, 2016
Mateusz Lach
JTOpen - The IBM Toolbox for Java v20.0.7
JTOpen - The IBM Toolbox for Java v20.0.7 IBM Toolbox for Java, an IBM i communications library. What is the Toolbox? JTOpen is the open source software product known as the "IBM Toolbox for Java." It is also commonly referred to "jt400" or simply "the toolbox." In short, this package provides a set of Java classes that enable applications to integrate with IBM i. JTOpen is governed by the IBM Public License. JTOpen is the open source counterpart to a version of the IBM Toolbox for Java that is delivered as part of the 5770-SS1 Licensed Program Product (LPP). The LPP version is supported by IBM and can be obtained from the IBM Toolbox for Java web site. The Toolbox is available as an installable licensed program for IBM i. Here is a breakdown of the supported Toolbox releases versus operating system versions: Changes v20.0.7 JDBC AAF by @jeber-ibm in #147 Loom initial work by @mdg1349 in #125 Fix javadoc generation (#126) by @NicolaIsotta in #141 Bump org.codehaus.mojo:build-helper-maven-plugin from 3.4.0 to 3.5.0 by @dependabot in #142 Bump org.apache.maven.plugins:maven-compiler-plugin from 3.11.0 to 3.12.0 by @dependabot in #148 Bump org.apache.maven.plugins:maven-compiler-plugin from 3.12.0 to 3.12.1 by @dependabot in #149 fix: DDM signon with passwords greater than 10 chars by @ThePrez in #152 Added methods to ISeriesNetServer to work with disabled IDs by @MikSwens in #151 Fix NPE when using password in Properties by @jeber-ibm in #158 feat: build native package for JDKs 7, 8, and 11 by @ThePrez in #153 doc-files fixes and modernization by @NicolaIsotta in #150 Fixup build to make jar contents match 11.x by @ThePrez in #159 Click here ...
5/5 2,408 Mar 07, 2024
IBM
KeenWrite v3.6.5
KeenWrite v3.6.5 👉 A free, open-source Markdown text editor for creating beautifully typeset documents and PDFs. KeenWrite is a cross-platform desktop Markdown editor designed for producing professional-quality documents with advanced typesetting capabilities. It combines a distraction-free writing environment with powerful features such as real-time preview, variable interpolation, mathematical notation using TeX syntax, and support for diagrams and structured content. KeenWrite focuses on technical writing, academic work, and long-form documents by enabling structured content and high-quality exports. Markdown documents can be converted into XHTML and then rendered into beautifully formatted PDFs using the ConTeXt typesetting engine and optional theme packs. The editor supports advanced syntax extensions, allowing writers to integrate variables, data, charts, and equations directly into their documents. The application includes a customizable interface with detachable panels, document outline navigation, integrated file management, and themeable skins for light or dark environments. KeenWrite also supports diagram creation (such as Mermaid and GraphViz), interactive statistics, and real-time math rendering, making it particularly useful for researchers, technical authors, and documentation writers. Interpolated variable replacement Features: • Cross-platform Markdown editor with live preview • Export Markdown documents to XHTML and high-quality PDF • Variable interpolation system for reusable content • Real-time math rendering using TeX notation • Diagram support including Mermaid, GraphViz, UML, and sequence diagrams • Built-in document statistics and word frequency analysis • Interactive document outline and integrated file manager • Customizable interface with detachable tabs and UI skins • Support for advanced Markdown extensions and Pandoc attributes • Dark mode and customizable visual themes Supported operating systems: • Windows 7, Windows 8, Windows 10, Windows 11 • macOS, • Linux, FreeBSD, Unix-like systems Supported languages: English, Korean, Japanese, Chinese, Simplified Chinese KeenWrite requires Java 17 or newer to run. If Java is not installed on your system, download and install the Java Runtime Environment before launching the program. Download Java Runtime Environment (JRE) See user manual for installation instructions: keenwrite-manual.pdf This download is ...
5/5 576 Mar 10, 2026
White Magic Software, Ltd.
Lanemu v0.14
Lanemu v0.14 👉 Server-less (decentralized) Virtual Private Network (Open-source alternative to Hamachi, Radmin, ZeroTier, etc.) Lanemu is a free, open-source peer-to-peer virtual LAN emulator that allows computers on different Internet connections to communicate as though they were connected to the same local network. It is designed for multiplayer games, legacy software, file sharing, remote administration, and any application that relies on LAN connectivity. Unlike traditional VPN services that route traffic through a central server, Lanemu establishes encrypted peer-to-peer connections between participating computers whenever possible, reducing latency while eliminating the need for dedicated servers. Networks are created using invitations that can be shared with other users, making setup straightforward while keeping access limited to invited participants. Version 0.14 introduces RUDP (Reliable UDP) as the default transport protocol, improving performance and reliability over previous releases while maintaining automatic fallback when necessary. Windows packages have also been simplified, with the Windows 10/11 x64 package including OpenJDK and automatically installing the TAP-Windows driver during first launch. Features: • Create private virtual LAN networks across the Internet. • Peer-to-peer architecture without requiring dedicated relay servers for normal operation. • Encrypted communications between participating computers. • Reliable UDP (RUDP) transport protocol enabled by default. • Invite-based network membership. • Works with many LAN multiplayer games and LAN-aware applications. • Automatic discovery of peers within a virtual network. • Supports multiple virtual networks. • Cross-platform support between Windows and Linux. • Automatically installs the TAP-Windows driver on supported Windows editions. • Includes an integrated Java runtime in supported Windows packages. • Open-source software released under the GPLv3 license. Supported operating systems: • Windows 11 (64-bit) • Windows 10 (64-bit) • Windows 10 (32-bit) • Windows 8.1 (32-bit and 64-bit) • Windows 8 (32-bit and 64-bit) • Windows 7 (32-bit and 64-bit) • Windows Vista (32-bit and 64-bit) • Windows XP (32-bit and 64-bit) • Linux (64-bit) Supported languages: • English Changes: v0.14 07-12-26 • Reliable UDP (RUDP) is now the default transport protocol. • Improved network performance and stability. • ...
5/5 12 Jul 13, 2026
Nikolay Borodin
Quarkdown v2.3.1
Quarkdown v2.3.1 👉 Markdown-based typesetting system for creating books, documents, and PDFs with advanced layout features. Quarkdown is a modern, Markdown-based typesetting system designed for writing books, technical documents, reports, and PDFs with professional-quality layout and styling. It extends standard Markdown with powerful features such as variables, templates, components, conditionals, and advanced formatting controls, allowing you to structure complex documents while keeping your source files clean and readable. Quarkdown focuses on simplicity for authors while providing the flexibility of a programmable document engine. It can generate beautifully formatted PDFs and other output formats, making it suitable for documentation, publishing workflows, academic writing, and long-form content creation. Features: • Markdown-based document authoring • Advanced typesetting and layout control • Variables and reusable components • Templates for consistent document styling • Conditional content support • Book and multi-file project support • PDF generation • Cross-platform command-line interface • Open-source project Supported operating systems: • Windows 10, Windows 11 • macOS • Linux Supported languages: English Changes: v2.3.1 06-22-26 • Added a GitHub Container Registry (GHCR) image for Quarkdown. • Improved the safety of the --clean flag by preventing it from cleaning output directories that contain source files, Git repositories, the filesystem root, the home directory, or the specified source file. Requirements: • Java 17 or newer (JDK or JRE) must be installed. • Verify Java installation by opening Command Prompt or Terminal and typing: java -version • If Java is not installed, download a compatible OpenJDK build from a trusted provider such as: Eclipse Adoptium Oracle Java OpenJDK (jdk.java.net) Azul Zulu OpenJDK Installation: • Download the quarkdown zip file for your operating system below, • Extract the archive to a folder of your choice. • Open the extracted quarkdown folder. • Windows: – Open the bin folder. – Run quarkdown.bat from Command Prompt. – Optionally add the bin folder to your system PATH for global access. • macOS and Linux: – Open Terminal. – Navigate to the extracted quarkdown/bin folder. – Run: ./quarkdown – If needed, grant execute permission first using: chmod +x quarkdown – ...
5/5 673 Jul 11, 2026
Giorgio Garofalo
TIFF Information Viewer v1.5.1
TIFF Information Viewer v1.5.1 👉 A free, portable cross-platform utility for inspecting and decoding TIFF file structure. TIFF Information Viewer is a free Java-based utility for inspecting and decoding the structure of TIFF files. It supports most TIFF features including BigTIFF, any bit depths, and most compressions including JPEG-2000. It displays both the image and detailed TIFF tag structure, helping users explore TIFF files in depth. It also recognizes and displays metadata for popular multi-scale pyramid formats such as Aperio SVS. Features: • Inspect and decode the structure of TIFF files • Displays both image preview and detailed TIFF tag structure • Supports BigTIFF • Supports any bit depths • Supports most TIFF compressions including JPEG-2000 • Recognizes metadata for multi-scale pyramid formats such as Aperio SVS • Includes TiffInfo command-line version of the viewer • Includes TiffCopy for copying, repacking, and converting TIFF files • Includes MakeSvs for constructing Aperio SVS files from regular images • Includes demo TIFF files in the ZIP archive Supported operating systems: • Windows, Linux, macOS, other operating systems with Java Runtime Environment 21 or higher System Requirements: • Java Runtime Environment, version 21 or higher To install Java JDK: Open PowerShell (Admin) and run one of these: JDK 25 winget install Microsoft.OpenJDK.25 JDK 21 winget install -e --id Microsoft.OpenJDK.21 or Download the latest Oracle JDK for Windows 11: https://www.oracle.com/java/technologies/downloads/ Scroll to the JDK section and choose Windows x64 Installer (.exe) for your JDK version. Supported languages: English Note: This file has one hit on VirusTotal. We have confirmed this to be a false positive. The file is safe. Click here to visit the author's website.
5/5 372 May 15, 2026
Daniel Alievsky
TripleA v2026-06.16.15640
TripleA v2026-06.16.15640 👉 Command massive armies across history, fantasy, and alternate worlds in this deep open-source strategy game. TripleA is a free, open-source turn-based strategy game and board game engine inspired by classics such as Axis &amp; Allies, Risk, and other grand strategy tabletop games. After nearly six years since the last stable release, this major update modernizes the engine, user interface, multiplayer experience, and AI while laying the foundation for future development. TripleA is far more than a single World War II game. It is a flexible engine capable of running hundreds of community-created scenarios covering historical conflicts, fantasy worlds, science fiction, and alternate history campaigns. Command the Axis or Allies during World War II, relive the Napoleonic Wars, conquer ancient empires, defend fantasy kingdoms, or explore completely original maps created by the active TripleA community. Whether you prefer challenging computer opponents, competitive online multiplayer, hotseat games with friends, or long-running play-by-email campaigns, TripleA provides an enormous amount of strategic depth. Official installers include the required Java runtime, making installation straightforward on supported platforms. Features: • Completely free and open-source under the GNU GPL license • Modern FlatLaf interface with a cleaner, more responsive appearance • Deep turn-based strategy inspired by classic tabletop war games • Hundreds of downloadable maps and scenarios • World War II, historical, fantasy, science fiction, and alternate history campaigns • Integrated map download manager with maps served directly from the official maps server • Faster AI with significantly improved turn processing • New Fast AI option for quicker gameplay on large maps • Strategic land, sea, and air combat with dice-based battle resolution • Resource management, production, purchasing, and reinforcements • Online multiplayer with automatic lobby reconnection after connection loss • New MARTI dice server for online and play-by-email games • Hotseat multiplayer on a single computer • Play-by-email and forum-based multiplayer support • Save and resume games at any time • Highly customizable ...
5/5 7,357 Jul 07, 2026
TripleA
   
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