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Top 23 C++ Qt Projects
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Project mention: Flameshot – Powerful, yet simple to use open-source screenshot software | news.ycombinator.com | 2024-06-11
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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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MuseScore
MuseScore is an open source and free music notation software. For support, contribution, bug reports, visit MuseScore.org. Fork and make pull requests!
Project mention: How to prompt LLM to infer XSD from many XML documents? | news.ycombinator.com | 2024-12-05In case anyone is interested in the details, I am trying to infer the MuseScore MSCX format to ensure that my MusicXML => MuseScore generator at https://github.com/infojunkie/musicxml-mscx produces valid scores. I want to use all the supplied MSCX files in the repo https://github.com/musescore/MuseScore for inference.
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Project mention: Show HN: Open-source GeForce NOW alternative with Stadia's social features | news.ycombinator.com | 2024-05-18
> I’m sure there’s a way to transmit those frames over a network if one was clever enough
Something like Sunshine[1], coupled with Moonlight[2]?
[1] https://github.com/LizardByte/Sunshine
[2] https://github.com/moonlight-stream/moonlight-qt
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Project mention: Man pages are great, man readers are the problem | news.ycombinator.com | 2025-04-09
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I built Twins of Caduceus (a snake-based game where you have to control two snakes simultaneously) entirely using Phaser 3. I've had mostly very good experiences with it as a batteries included framework (renderer, asset management, physics, input, etc.)
It's a shame that the map/level editor is a eternal subscription fee with no fallback license. That means you're relegated to either building your own map editor or using something like Tiled.
https://specularrealms.itch.io/the-twins-of-caduceus
https://www.mapeditor.org/
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FileCentipede
Cross-platform internet upload/download manager for HTTP(S), FTP(S), SSH, magnet-link, BitTorrent, m3u8, ed2k, and online videos. WebDAV client, FTP client, SSH client.
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nodegui
A library for building cross-platform native desktop applications with Node.js and CSS 🚀. React NodeGui : https://react.nodegui.org and Vue NodeGui: https://vue.nodegui.org
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albert: Powerful, but a bit involved. I am looking for something simpler.
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PrismLauncher
A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC)
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> I don't have a physical controller
There are a lot of really cheap USB based controllers - I've got an old USB 1.1 based controllers for 35€ and it's working perfectly fine - it's only midi - you can dump the hex values using midi tools in Linux when you turn the nobs. Mixxx has a really long list of supported devices: https://github.com/mixxxdj/mixxx/wiki/Hardware-Compatibility
You need another soundcard for headphones, there also exist lots of cheap old USB soundcards for that.
Then it's up to you to practice. I'm also struggling to get better but it's really all you need to DJ.
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QOwnNotes
QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.
Project mention: Ask HN: What note taking app do you guys using as a developer? | news.ycombinator.com | 2025-03-08 -
LibreCAD
LibreCAD is a cross-platform 2D CAD program written in C++17. It can read DXF/DWG files and can write DXF/PDF/SVG files. It supports point/line/circle/ellipse/parabola/spline primitives. The user interface is highly customizable, and has dozens of translations.
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Project mention: Ask HN: What's the Best Open Source Tool You've Discovered Recently? | news.ycombinator.com | 2025-04-11
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Project mention: App Should Have Been a Website (and Probably Your Game Too) | news.ycombinator.com | 2024-12-31
Hi there! Yes, I will switch to a more distinctive icon in the future once I can afford to hire a new designer.
Multiplayer was quoting the correct reason. I also exeplained more about the timeline here: https://github.com/nuttyartist/notes/issues/690#issuecomment...
Tldr: The FOSS version earned a stable revenue through Google Ads placed on the website, since the website ranked high on Google searches. Two years ago, that changed since the website got de-ranked, so I created a different, proprietary version of the app based on the FOSS version but with a totally revamped block editor that I wrote from scratch - that I worked on full-time for a whole 1 year.
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qgroundcontrol
Cross-platform ground control station for drones (Android, iOS, Mac OS, Linux, Windows)
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C++ Qt discussion
C++ Qt related posts
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The Prospero Challenge
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Gittyup: Understand Your Git History
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Scan Your Linux Disk and Visualize It on Mac with GrandPerspective
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QXmpp 1.9.2 – Cross-platform C++ XMPP client and server library
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How to prompt LLM to infer XSD from many XML documents?
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QXmpp 1.9.0 – Cross-platform C++ XMPP client and server library
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How to Build a Python Barcode Scanner for Windows, Linux, and macOS
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Index
What are some of the best open-source Qt projects in C++? This list will help you:
# | Project | Stars |
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1 | flameshot | 26,157 |
2 | QtScrcpy | 24,059 |
3 | MuseScore | 13,120 |
4 | moonlight-qt | 13,023 |
5 | zeal | 12,125 |
6 | tiled | 11,704 |
7 | FileCentipede | 10,360 |
8 | NotepadNext | 10,008 |
9 | nodegui | 9,053 |
10 | olive | 8,532 |
11 | LiteIDE | 7,683 |
12 | albert | 7,502 |
13 | PrismLauncher | 6,848 |
14 | Serial-Studio | 5,444 |
15 | mixxx | 5,386 |
16 | QOwnNotes | 5,003 |
17 | LibreCAD | 4,921 |
18 | Librum | 4,496 |
19 | hotspot | 4,373 |
20 | notes | 4,001 |
21 | Clementine | 3,941 |
22 | FluentUI | 3,940 |
23 | qgroundcontrol | 3,681 |