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Top 23 Java GUI Projects
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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akhq
Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...
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Project mention: Effortless Database Subsetting with Jailer: A Must-Have Tool for QA and DevOps | news.ycombinator.com | 2025-05-13
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ns-usbloader
Awoo Installer and GoldLeaf uploader of the NSPs (and other files), RCM payload injector, application for split/merge files.
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Project mention: Show HN: Video editor app that generates FFmpeg commands | news.ycombinator.com | 2024-11-21
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minecraft-world-downloader
Download Minecraft worlds, extend server's render distance. 1.12.2 - 1.21
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Sevalla
Deploy and host your apps and databases, now with $50 credit! Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!
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There are many themes to choose from. I recorded the demo on that page and I like windows 95. I concede it may not be pretty but I've always found it functional. The default is darcula theme like shown on the main page: https://www.timestored.com/qstudio/
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Project mention: SnapKit – a Java UI toolkit for the desktop and browser | news.ycombinator.com | 2025-04-28
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Kouncil
Powerful dashboard for your Kafka. Monitor status, manage groups, topics, send messages and diagnose problems. All in one user friendly web dashboard.
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density-converter
A multi platform image density converting tool converting single or batches of images to Android, iOS, Windows or CSS specific formats and density versions given the source scale factor or width/height in dp. It has a graphical and command line interface and supports many image types (svg, psd, 9-patch, etc.) aswell as some lossless compressors like pngcrush.
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eclipse.platform.ui
Eclipse Platform UI - a comprehensive set of frameworks and common services that collectively provide a powerful software development infrastructure.
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LazyGui
GUI library for Processing in which you only mention control elements in draw() at the places you need them.
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SukakuExplainer
Modification to Sudoku Explainer (SE) by Nicolas Juillerat to accommodate Sukaku (Pencilmark) Sudoku puzzles
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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).
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A note from our sponsor - SaaSHub
www.saashub.com | 1 Sep 2025
Index
What are some of the best open-source GUI projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | dbeaver | 45,039 |
| 2 | akhq | 3,637 |
| 3 | Jailer | 3,030 |
| 4 | ns-usbloader | 2,041 |
| 5 | shutter-encoder | 1,574 |
| 6 | minecraft-world-downloader | 1,363 |
| 7 | atlantafx | 1,133 |
| 8 | qstudio | 749 |
| 9 | imgui-java | 709 |
| 10 | controlp5 | 504 |
| 11 | darklaf | 456 |
| 12 | SnapKit | 294 |
| 13 | Kouncil | 284 |
| 14 | density-converter | 249 |
| 15 | decompiler | 237 |
| 16 | CustomStage | 200 |
| 17 | Drifty | 185 |
| 18 | FancyMenu | 177 |
| 19 | textratypist | 116 |
| 20 | jfxchess | 113 |
| 21 | eclipse.platform.ui | 102 |
| 22 | LazyGui | 99 |
| 23 | SukakuExplainer | 82 |
Sponsored
InfluxDB – Built for High-Performance Time Series Workloads
InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com