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Top 23 Java Window Projects
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Project mention: MonoGame: A .NET framework for making cross-platform games | news.ycombinator.com | 2026-03-07
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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Project mention: Show HN: A (de)compiler and parser/engine for custom Magic: The Gathering cards | news.ycombinator.com | 2026-05-06
This is very cool!
If you're looking for a good test suite, I wonder if you might be able to adapt any of the tests available in XMage? They have a pretty extensive test suite (such as for copy effects [0]) and if you point your agent at their code, I wonder how many could be usefully adapted to your system?
[0] - https://github.com/magefree/mage/tree/master/Mage.Tests/src/...
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Codename One
Open-source framework for native apps from one Java codebase, with a custom-rendered UI you control across iOS, Android, desktop, web, and watches.
What is Codename One? Codename One is an open-source framework for building native iOS, Android, desktop, and web apps from a single Java or Kotlin codebase. Learn more at codenameone.com.
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Javet
Javet is Java + V8 (JAVa + V + EighT). It is an awesome way of embedding Node.js and V8 in Java.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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gophie
Gophie is a modern, graphical and cross-platform client or browser for "The Internet Gopher" also known as the Gopher protocol. Gophie supports browsing gopher pages, using search engines such as Veronica-2, displaying images and downloading files.
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ngrok-spring-boot-starter
🚀 Spring Boot tunneling with Ngrok made easy! No matter if you are using Windows, Mac OS X, Linux or even Docker - ngrok binary will be chosen automatically 🤖 so you don't need to care about environment changing etc. auto-configuration magic 🧙♂️
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Java Windows discussion
Java Windows related posts
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A tour of CLI tools for installing Java and creating projects
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Odyssey Expansion - Returning player
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Odyssey
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Pixel 7a full immersive mode?
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Helpful links (Sidebar update)
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LastPass Shouldn't Be Trusted With Your Passwords
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"Save Password" Feature - Can The Checkbox Be Removed From View
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A note from our sponsor - SaaSHub
www.saashub.com | 10 Oct 2026
Index
What are some of the best open-source Window projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | libGDX | 25,423 |
| 2 | mage | 2,374 |
| 3 | Codename One | 1,876 |
| 4 | openaudible | 1,843 |
| 5 | Javet | 966 |
| 6 | PacketProxy | 476 |
| 7 | pixelwheels | 459 |
| 8 | FormationVideo | 341 |
| 9 | muon-ssh | 291 |
| 10 | Pixelitor | 264 |
| 11 | server | 254 |
| 12 | gophie | 225 |
| 13 | HattrickOrganizer | 221 |
| 14 | iTunes-Discord-RP | 202 |
| 15 | ost2pst | 166 |
| 16 | gdx-video | 155 |
| 17 | FrogLord | 144 |
| 18 | ngrok-spring-boot-starter | 135 |
| 19 | fim | 123 |
| 20 | keepassxc-cryptomator | 113 |
| 21 | FxDock | 56 |
| 22 | ResolveRPC | 49 |
| 23 | powershell-plugin | 35 |
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