Windows & Linux Desktop App (US Only)

@Microlent

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in .NET Core, Agile Development, Desktop Application, Software Engineering, Software Architecture As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen

@ZohaibRoy

⭐⭐⭐⭐⭐ Create a Cross-Platform Desktop App for Windows and Linux ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and I see you are looking for a cross-platform desktop application. You have no need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for desktop applications. I will recommend the best toolkit for your needs, ensuring a smooth user interface and easy installation on both Windows and Linux. ➡️ Why Me? I can easily create your desktop application as I have 5 years of experience in software development, focusing on cross-platform solutions, UI design, and application deployment. My expertise includes various frameworks like Qt and Electron, ensuring a solid codebase and user-friendly experience. I also have a strong grip on version control systems and documentation practices, which will benefit your project. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Cross-Platform Development ✅ UI/UX Design ✅ Application Deployment ✅ Qt Framework ✅ Electron Framework ✅ .NET Core ✅ GTK ✅ Version Control (Git) ✅ Documentation Writing ✅ MVP Development ✅ Installation Package Creation ✅ Code Optimization Waiting for your response! Best Regards, Zohaib

@tangramua

Dear ,   We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time.   We are 25 years in this business and our technical specialists have strong experience in Software Architecture, Agile Development, Qt, Documentation, Continuous Integration, Application Performance Monitoring, .NET Core, Software Engineering, Desktop Application, MVP Development and other technologies relevant to your project.   Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews.   Please contact us via Freelancer Chat to discuss your project in details.    Best regards, Sales department Tangram Canada Inc.     

@softsolution2000

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.

@ahmadayaz

I recommend leveraging Electron for your Windows and Linux desktop application due to its proven performance, ease of distribution, and strong long-term support. With my experience in developing cross-platform solutions, I can ensure a unified, maintainable application. Our structured timeline includes defining scope, selecting tools, architecture design, and MVP development in 4-6 weeks. Refining the production build and documentation will be completed in an additional 2-3 weeks. Expect smooth installation on Windows and Linux, consistent functionality and UI, clean codebase, and developer-friendly documentation. Let's collaborate to bring this vision to life effectively.

@sufyanasmat38

I have experience building cross-platform desktop applications with C#, .NET, Electron, React, and native system integrations. For your requirements, I’d recommend Qt/C++ or .NET depending on the application’s core functionality, with Qt being a strong choice for a native-feeling Windows/Linux UI, efficient performance, and a maintainable single codebase. I can handle the complete lifecycle from architecture and MVP through production refinement, cross-platform testing, packaging, installers, build scripts, and developer documentation. I’d structure the work in milestones: architecture and stack setup (2–3 days), MVP/core features (1–2 weeks), production UI and functionality (1–2 weeks), then QA, installers, documentation, and handover (3–5 days). I can start immediately and would be happy to share relevant cross-platform desktop projects and discuss the feature set

@devendrathakur12

Hi, I’m a Senior Software Engineer with 20+ years in cross platform product development. I have gone through your specific requirement for cross platform desktop development. I built something like this for product clients, with 20+ years across software development, including Linfohub and Willow. I would choose Qt over Electron because native compilation avoids bundling Chromium and keeps desktop memory use lower. I will build the desktop client with Qt and C++ around one shared codebase for Windows and Linux. CMake will handle builds and packaging so the same source stays usable across both platforms. And I’ll keep OS specific code behind small interfaces so platform fixes do not spread through the UI, at least that is where I would start. Relevant cross platform and desktop samples I can send. What are the core features you want inside the first MVP? Which Windows versions and Linux distributions must the first release support? Do you already have UI designs, or should I define the desktop interface from scratch? Free for a quick call this week? Or answer those three and I’ll map out the first version tonight. Dev Singh

@mubeenm5026

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.

@juanpablomacf

As a seasoned full-stack developer and AI specialist, I bring a unique blend of technical expertise and strategic vision to your project. While my skills across diverse sectors like FinTech and MedTech may differ in nature, each of them honed my knack for creating scalable, efficient solutions with clean code underpinning. This cross-industry experience speaks directly to your project's requirement of a unified, easily-maintainable codebase that performs seamlessly on both Windows and Linux. In terms of toolkit recommendations, I'm most inclined towards Electron for the frontend as it flawlessly adapts apps across multiple platforms with a shared codebase. Regarding the milestone timeline, we prefer an adaptive and agile approach ensuring highest quality standards within your specific timeframe. An estimated timeline would look like: 2 weeks for choosing and finalizing the stack, another 4 weeks to build an MVP, 2 weeks to refine the production build and ensuring consistency, and finally a month for comprehensive handover complete with required documentation. Together we can make this project successful not just by achieving thorough installation and consistent functionality on both Windows and Linux but by also providing your in-house team with a clear roadmap going forward. Let's get started!

@designysoft

Hello, Your brief for "Windows & Linux Desktop App (US Only)" describes exactly the kind of .NET work our team delivers day to day. Reading the requirements, three things stand out: a .NET core with .NET Core, a clear expectation of clean architecture, and the goal of a maintainable system that your team can grow with. Here is how I would approach it as your Senior .NET Developer (9 years of hands-on experience): - Build on .NET with automated tests and a small discovery milestone in the first week so we agree on scope before committing to the full timeline. - Design the .NET Core layer for reliability and performance from day one — measured, not assumed. - Lead with the team's .NET experience, propose a short discovery milestone, then iterate in two-week increments. I work in two-week increments with a demo at the end of each, so you always see progress and can reprioritise. Your stated budget (USD 25–50/hr) is realistic for this scope. Two quick questions before we start: What does success look like for the first milestone? And which environments and repositories already exist? Happy to walk you through a short plan on a call this week — let's schedule 20 minutes.

@krupnovdenis

Hello! We can build a cross-platform desktop app for Windows and Linux under this scope. 1. Which toolkit would you like us to evaluate first? 2. Do you already have a core feature list for the MVP? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!

@raphael602

Dear Client, I’d be happy to build this cross-platform desktop application with a single, maintainable codebase for both Windows and Linux. For this project, I’d recommend Qt/C++ (or Qt with Python, depending on the application requirements) because it provides native performance, a mature cross-platform UI framework, and straightforward packaging for Windows and major Linux distributions. I have experience with cross-platform desktop applications, system-level development, Windows/Linux environments, networking, and hardware/software integration. I focus on clean architecture so the application remains easy for your in-house team to maintain and extend. I propose the following milestones: * Architecture & technology selection: 2–3 days * MVP/core functionality: 2–3 weeks * Production UI refinement & testing: 1–2 weeks * Windows/Linux packaging & deployment testing: 3–5 days * Documentation & final handover: 2–3 days Estimated total: 4–7 weeks, depending on the feature scope. I can provide the complete source code, build scripts, Windows installer, Linux packages/AppImage, and concise developer documentation at handover. I’m ready to discuss the requirements and get started. Best Regards, Raphael

@denisSolution

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.

@mayr81

You’re commissioning a brand-new Windows + Linux native desktop app with a unified, maintainable codebase and a polished cross-platform UI, exactly the kind of delivery I focus on. A strong default recommendation is Qt (via Qt 6 + C++), because it provides a single codebase, consistent UI behavior, mature native integration on both platforms, and reliable long-term maintenance. It also simplifies distribution: Windows installers can be packaged cleanly (e.g., MSIX/EXE installer workflow), while Linux deliverables can be produced as distro-friendly packages or AppImage-style outputs, depending on your target audience. Approach & milestones (high level): 1) Stack + architecture (tooling, repository structure, build/release plan) 2) MVP (core screens, key workflows, cross-platform UI parity) 3) Production build (stability, packaging, installer generation) 4) Handover (source code, build scripts/CI steps, install packages, and concise developer docs + walkthrough so your team can extend confidently) Outcome emphasis: seamless installs on current Windows and major Linux distributions, consistent functionality/UI behavior across OSes, clean commented code, and a dependency strategy that avoids proprietary lock-in. A timeline will be structured milestone-by-milestone to keep your MVP moving quickly while we finalize packaging and developer handover details early enough to avoid rework.

@carlosd178

Hello, As a result of a detailed review of your project requirements, I fully understand the scope and expectations. I have experience with cross-platform desktop architecture, Qt, .NET Core, CI/build pipelines, packaging, performance optimisation, and maintainable application design. For this project, I would recommend Qt 6 with C++ unless the feature set strongly favors .NET. Qt gives you one mature codebase for Windows and Linux, native-feeling desktop UI, strong performance, long-term support, and straightforward packaging without relying on a browser runtime. I would structure delivery in four milestones: • Architecture and technical specification: 3–5 days • Functional MVP: 2–3 weeks • UI refinement, testing and performance work: 1–2 weeks • Installers, CI/build scripts, documentation and handover: 3–5 days The main technical focus would be keeping platform-specific code isolated while sharing the application core, UI logic, configuration, and tests. I can provide a Windows installer plus AppImage/debian-style Linux packaging and reproducible build instructions for your internal team. I have two quick questions. • What are the main workflows/features the MVP must include? • Does the application need any hardware, local database, networking, or system-level integrations? Best regards, Carlos.

@melopgabriel

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

@AndrewJSMAN

I’ve built two cross-platform Qt applications with C++ backends: a CAD-like editor for Linux/Windows and a real-time data dashboard for embedded systems. Qt fits here—QML for UI, C++ for core logic, single codebase via CMake, no proprietary lock-in. I’ll scaffold the project with Qt 6.7, CMake, and Conan for dependency management, validate native packaging through CPack (WiX for Windows, Debian/Fedora/Arch for Linux), then implement core features in two-week sprints. Build scripts will auto-generate installers and AppImages, CI will run on GitHub Actions with coverage and static analysis. Hand-off includes README, CMake preset files, and a minimal extension guide. Thanks, Andrii.

@jonasdedzo

Hello, I have experience developing cross-platform desktop applications for Windows and Linux, including custom UI, installers, native builds, and maintainable architectures. For this project, I recommend **Qt** because it provides excellent performance, native UI support, cross-platform compatibility, and a long-term maintainable codebase. I can handle: * Application architecture and framework selection * MVP development and feature implementation * Windows/Linux packaging and installers * Testing, optimization, and documentation * Complete source code and build setup handover My experience includes Qt, .NET Core, desktop software engineering, CI/CD, and performance optimization. Estimated timeline: * Architecture/setup: 1 week * MVP development: 3–4 weeks * Testing, packaging, documentation: 1 week I can start immediately and deliver a clean, production-ready application with a smooth experience on both platforms. I look forward to discussing your requirements.

@HamparProd

Hi, For a Windows/Linux application that needs one maintainable codebase without a heavy browser runtime, I would recommend Qt 6 with C++ and Qt Quick/QML. Qt gives us strong native desktop performance, mature cross-platform APIs, consistent UI behavior, and clean packaging paths for Windows installers and Linux AppImage/distribution packages. My approach would be architecture first, followed by a functional MVP, production refinement, automated builds, packaging and final developer handoff. I would also keep platform-specific code isolated so future Windows/Linux differences do not contaminate the main application logic. The initial milestone would cover architecture, project structure, a working cross-platform prototype, build configuration and packaging foundation. Rate: $45 USD/hour. Initial milestone: 40 hours over 10 working days. I can start immediately after award.