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I’m commissioning a brand-new desktop application that must install and run natively on both Windows and Linux. My priority is a unified, maintainable codebase with a polished user interface that feels completely at home on each platform. You’ll start by recommending the most suitable toolkit or framework—Qt, .NET Core, Electron, GTK, or another actively maintained option—explaining why it balances performance, distribution ease, and long-term support. Once we agree on the stack, we’ll move through architecture design, an MVP with the core feature set, a refined production build, and finally a full hand-over that includes source code, build scripts, installation packages (an .exe installer for Windows and distro-friendly packages or AppImage for Linux), plus concise developer documentation. Success is defined by: • Seamless installation on current Windows and major Linux distributions • Consistent functionality and UI behavior across both operating systems • Clean, well-commented code that compiles without proprietary dependencies • A short walkthrough document so my in-house team can extend the app later When you reply, highlight previous cross-platform desktop projects, the toolkit you’d propose, and an estimated timeline for each milestone so we can get started right away.
Project ID: 40687312
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19 freelancers are bidding on average $34 USD/hour for this job

I have extensive experience in developing cross-platform desktop applications using Qt framework. One of my recent projects involved creating a desktop app that successfully ran on both Windows and Linux, meeting all the specified requirements. I would recommend using Qt for this project as it offers a good balance between performance, distribution ease, and long-term support. For the timeline, I estimate that we can complete the architecture design phase within 2 weeks, the MVP development within 4 weeks, the refined production build within 3 weeks, and the full hand-over within 1 week. This timeline can be adjusted based on the project requirements and any unforeseen challenges that may arise. I am confident that my skills in software architecture, Agile development, Qt, documentation, and continuous integration make me the ideal candidate for this project. I look forward to discussing the project further and getting started right away. See the above links please.
$32 USD in 3 days
7.2
7.2

Drawing from my expertise and experiences in full-stack software development, I firmly believe that Fourge is the perfect fit for your cross-platform desktop application project. We understand the intricacies of crafting software that not only aligns with the unique requirements of each platform but also delivers a consistent performance across both Windows and Linux. In terms of toolkit recommendations, I suggest considering Electron due to its proven track record in running applications natively on both Windows and Linux. Another factor that sets us apart is our commitment to delivering concise yet comprehensive documentation. This ensures not only successful handover but also empowers your in-house team to extend the functionality of the app without any hindrances. Taking all these aspects into account, I estimate a timeline where we can complete the initial MVP with core features within X days/months, with subsequent milestones as we refine and hand over a sparkling finished product within Y days/months. In essence, what Fourge brings on board is reliability, scalability and future-ready technology that’s designed to suit your exact business goals. Let's work together to bring your vision into reality!
$25 USD in 40 days
6.4
6.4

Having successfully delivered numerous cross-platform projects, Web Crest is well-equipped to handle the task at hand. As your project seeks a balanced combination of performance, distribution ease, and long-term support, we highly recommend using Electron for creating your Windows and Linux desktop application. Having worked extensively with Electron along with other top-tier frameworks like .NET Core and Qt, we understand the nuances required for a smooth, cross-platform transition. Our approach is highly agile and geared towards ensuring your software finds a home on every major Linux distribution, providing consistent functionality and UI behavior. By opting for Electron, which enjoys strong community support and robustness, we will be able to deliver crisp code sans proprietary dependencies. At Web Crest, we don’t just develop software - we empower your team. The final deliverables from us will include more than just source code; you’ll receive thorough developer documentation allowing your in-house team to easily understand and extend the app later on. Say goodbye to dependency queries and confusion - our clean, well-commented code is a testament to our commitment to empowering our clients. Choose us for an exceptional product that bridges OSX & Linux effortlessly.
$30 USD in 40 days
6.5
6.5

Hi, I'm Denis, and I've built cross-platform desktop apps before using Qt and .NET Core, focusing on clean code and maintainable architectures. For this project, Qt stands out because it offers native performance, a consistent UI across Windows and Linux, and strong long-term support, which aligns with your need for a unified codebase and polished experience. I’d start with a toolkit recommendation session, then design a modular architecture to keep the core shared while allowing platform-specific tweaks. The MVP would focus on the core feature set, followed by UI refinements for each OS, testing, and packaging. Build scripts and installation packages (.exe and distro-friendly formats) would be included, along with a short developer guide for your team. The main challenge is balancing shared logic with platform-specific behaviors, but a well-structured Qt project should handle this cleanly. I’ll plan for regular check-ins to adjust as we go. I can start working right away. Let's connect and discuss the details. Thanks, Denis.
$25 USD in 40 days
5.2
5.2

Hi, your goal is clear: a single desktop codebase that installs cleanly on Windows and Linux, with a polished native feel and no proprietary dependencies. I’ve built cross-platform desktop apps where packaging, UI consistency, and maintainability mattered as much as features. For this project, I’d recommend Qt. It’s mature, actively maintained, and gives you strong native performance with straightforward deployment options for both .exe installers and Linux AppImage or distro-friendly packages. I’d start with a small architecture plan, then deliver the MVP around the core workflow, followed by a production build, installer packaging, and hand-off docs. I keep the codebase clean, commented, and easy for an internal team to extend. If you want, I can outline the stack and milestone timeline next. Best regards, Gabriel
$25 USD in 24 days
4.4
4.4

Drawing upon my 11+ years of experience in software development, I'm confident that I can deliver the sleek and fully functional desktop app you need. In terms of cross-platform abilities, which this project highlights, my competence is unwavering. I have successfully built multiple applications that run smoothly on both Windows and Linux systems, including those with complex functionalities. For your specific needs, I propose leveraging the Qt framework which has continually proven to balance performance, distribution ease, and long-term support across both operating systems. For architecture design through handover milestones, let's allow two months in total, but I will provide a more detailed timeline once we've identified your precise requirements. Additionally, my thorough and well-commented code will work flawlessly without proprietary dependencies—a feature necessary for easy maintenance by your in-house team. Deviating from conventional AI projects, I am resurrecting the concept of building giving strong emphasis from the idea-conception stage to constructing working and deployed systems to an interface. Choose me for a proficient yet congenial partnership that meets your needs and objectives.
$38 USD in 40 days
3.8
3.8

Thank you for the clear brief. I’m ready to help design and deliver a cross-platform desktop application for Windows and Linux with a single maintainable codebase, polished native-feeling UI, and straightforward packaging for both platforms. I would recommend starting with a modern, actively maintained toolkit that best balances performance, deployment simplicity, and long-term support. My focus would be on architecture that keeps the codebase clean, testable, and easy for your in-house team to extend after handover. I can work through the project in stages: stack recommendation and architecture, MVP delivery, production hardening, and final hand-over with source code, build scripts, installer/package outputs, and concise developer documentation. I also ensure the code is well-commented and avoids proprietary dependencies. For timeline planning, I would break the work into clear milestones so you have visibility from the outset: planning and toolkit selection, core MVP implementation, refinement and packaging, then documentation and handover. I’m prepared to move quickly and align the implementation with your preferred workflow and release expectations.
$25 USD in 37 days
3.5
3.5

Hello, Thank you for considering me for your cross‑platform desktop application. I’ve delivered several native apps for Windows and Linux that use a single codebase and provide a polished, native user experience. Notably, I built a project‑management tool for a SaaS client using Qt 6, which ran flawlessly on Windows 10/11 and Ubuntu 22.04/23.04 with a single build process and included an MSI installer and an AppImage package. For this project, I recommend Qt 6 with C++/Qt Quick. Qt offers: * Unified UI that adapts automatically to Windows, macOS, and Linux styles. * Excellent performance, no runtime bloat, and strong community support. * Robust deployment tools (Qt Installer Framework for Windows, AppImage and DEB/RPM for Linux). * Long‑term support (LTS) with a clear roadmap. ### Proposed Timeline | Milestone | Description | Duration | |-----------|-------------|----------| | 1. Architecture & Stack Selection | Detailed design document, UI wireframes, data flow | 1 week | | 2. MVP Build | Core features, cross‑platform build, initial installer | 3 weeks | | 3. UI Polish & Testing | Responsive design, bug fixes, user feedback | 2 weeks | | 4. Production Build & Documentation | Final installers, source code hand‑over, developer guide | 1 week | Total: **7 weeks** from kickoff, assuming a clear requirement scope and prompt feedback. I’m happy to discuss the details, provide a free consultation, and start working as soon as you’re ready. Looking forward to partnering on this project. Best regards,
$50 USD in 7 days
3.8
3.8

Hello I came across your project Windows & Linux Desktop App (US Only) and would love to help develop your mobile application. Key Features: • Android Applications • iOS Applications • Cross-Platform Development • Modern UI/UX • Secure Authentication • API Integrations • Push Notifications • Real-Time Database • Payment Integration • Firebase Services • Admin Panel • Analytics Integration • Performance Optimization • App Store Publishing • Ongoing Support I can deliver a professional mobile app designed for excellent user experience and long-term scalability. Best Regards, Naseeb A.
$25 USD in 24 days
1.8
1.8

Hi We are available to take this on and get your cross-platform desktop application working perfectly. The main issue with multi-platform builds is usually framework choice and native package distribution for both Windows and Linux. Are you planning to use the .NET Core with Avalonia framework for better native performance and do you want the build scripts configured for automated CI/CD deployment? We recently built a similar cross-platform desktop app for a logistics firm that needed native Windows and Linux support. I used Electron and React to build a unified codebase that validated inputs before compiling native packages. I corrected their manifest and build configurations to ensure installers showed up properly across distributions. My fix stopped their app data from being lost during updates and made the whole deployment process way faster for their team. We are eager to discuss the project further. Reach out to initiate a conversation! Best regards, Quantum Code Solutions
$25 USD in 40 days
0.0
0.0

⚡ Timeline : 3 days | Cost: 400$⚡ Hi I can build the Windows/Linux desktop app around a unified Qt-based codebase, covering architecture and MVP development through polished cross-platform builds, native installers/AppImage, CI/build scripts, performance, clean maintainable code, and developer documentation for your team’s future extensions. I’m sure I can deliver a perfect result within timeline as your wanna. I’d be happy to jump on a quick chat to discuss in more details or get started right away. Looking forward to hearing from you!
$30 USD in 40 days
0.0
0.0

Hi there, I totally get your vision for a unified desktop app that runs smoothly on both Windows and Linux. I've successfully delivered cross-platform applications before, focusing on maintainable code and polished user interfaces, so you can trust I’ll meet your expectations. For your project, I recommend using Qt. It strikes the perfect balance between performance and ease of distribution, giving us a solid foundation for both platforms. I see a clear path from architecture design to a refined MVP, followed by a full hand-over with all the necessary documentation. I specialize in creating clean, user-friendly applications and pride myself on my communication. I can ensure a fast turnaround and keep you updated every step of the way. Let me know if you are available for a quick chat! Regards, Wonita
$25 USD in 7 days
0.0
0.0

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