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Write a Windows application with the following objectives: Provide a highly visible, customizable mini on-screen keyboard - with ONLY: Controller keys (adjustable size, color, and placement). Purpose: Clicking on one or more controller keys has the effect of holding down the (physical) equivalent key(s) for the next or subsequent key presses. Design aspects to be agreed. Long term relationship is a key objective to enable high quality future development, including hardware keyboard integration, subscription-based monetization, and possible future expansion to a full keyboard with additional color configuration options.
Project ID: 40649430
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62 freelancers are bidding on average £431 GBP for this job

Hello, I am Windows Desktop application developer and I have over 25 years of experience I can develop this Windows application as a lightweight, reliable on-screen controller keyboard focused specifically on the required controller keys. The key functionality is clear: clicking a controller key will make Windows treat its physical equivalent as held down, so the selected controller key(s) remain active for the next key press. I can implement the keyboard input handling carefully to ensure correct key-down/key-up behavior, including combinations and avoiding stuck keys. I’m comfortable discussing the UI/design details with you and refining the application based on your preferred workflow. I’ll also structure the code cleanly so the application can be extended with additional functionality in the future. I’m particularly interested in the long-term relationship aspect of this project. Rather than producing a quick one-off solution, I would aim to build a solid Windows application that can serve as a maintainable foundation for future development. I can start by confirming the exact controller keys and expected behavior, then provide a working initial version for testing and refinement. Best regards Ivan V.
£251 GBP in 3 days
7.9
7.9

Hello!, This is James from Hollywood... I read your Windows on-screen keyboard project carefully, and I understand you need a mini keyboard app for Windows with a clean UI, reliable input behavior, and accessibility in mind. This is exactly the kind of desktop work I’ve been doing for about 15 years with C#, WPF, Windows API, and software engineering. My plan is simple and practical: 1. Confirm the keyboard layout, size, and trigger behavior 2. Build the WPF UI with focus handling and accessibility support 3. Add Windows API hooks if needed for input interaction 4. Test edge cases like active windows, typing reliability, and positioning 5. Package a clean, stable app ready to use I’m serious about the details here, not just the surface request, because with desktop tools the small things are what make the app feel solid. Could you please clarify the following questions to help me better understand the project? 1. Should the keyboard stay always on top or only appear when triggered? 2. Do you want a fixed layout, or should it adapt by language/input mode? 3. Should it support mouse only, or also touch and accessibility shortcuts? If you’d like, I can start with a quick prototype first so you can review the behavior early. I’ve built similar UI-driven Windows tools before, and I’d be glad to make this one clean, dependable, and easy to use.
£650 GBP in 3 days
6.6
6.6

Hello, this is an interesting Windows utility project and I’d be glad to help with it. I understand you need a mini on-screen keyboard with only controller keys, where clicking one or more of them holds that equivalent key state for the following key press. I can build it in a clean, simple way and keep the interface easy to use while we finalize the design details together. If this goes well, I’d be happy to support future development too.
£500 GBP in 7 days
6.5
6.5

Hi At Infineosoft, we can build a lightweight Windows application centered around a highly visible, customizable mini on-screen controller keyboard with a clean foundation for future expansion. The initial version will focus strictly on the required controller keys, allowing users to: • Customize key size, color, position, and visibility • Click one or multiple controller keys to simulate holding their corresponding physical keyboard keys • Maintain selected key states while subsequent keys are pressed • Provide intuitive interaction and reliable Windows keyboard input handling • Run smoothly with minimal resource usage and a user-friendly interface We’ll work with you to finalize the UI/UX and ensure the application behaves consistently across supported Windows environments. At Infineosoft, we value long-term partnerships and maintainable code, so we’ll build the initial application as a solid foundation rather than a one-off prototype. We can start by discussing the controller-key behavior, preferred design, supported Windows versions, and any specific input requirements, then provide a clear development timeline and milestone plan and cost.
£750 GBP in 30 days
6.3
6.3

Hi, this reads like a Windows desktop utility request, but the real work is defining how the keyboard should interact with focus, input events, and target applications before implementation starts. I’ve built production systems where the main challenge was not the UI itself, but getting event flow and edge-case behavior right under real usage. With a brief this short, I would first pin down whether this is a system-wide on-screen keyboard or an app-scoped input surface, because that changes the architecture significantly. The closest match in my past work is Custom Feature Development & Integration, where I stepped into an unclear scope, reviewed the existing product, and translated it into concrete implementation decisions. TikTok AI Livestream Setup is also relevant from a real-time interaction standpoint, where reliability across connected components mattered more than surface features. I usually structure work like this by separating behavior definition, input handling, and UI rendering so edge cases can be tested independently. The main tradeoff is native integration depth versus simpler app-contained behavior. These are the kinds of systems that need to be stable over time, not just visually complete. If useful, I can start by sketching the interaction model and identifying the highest-risk input and focus scenarios before buildout. Thanks, Hercules
£500 GBP in 7 days
5.9
5.9

With over 5 years of encompassing experience, I am Rashid, and my team at Rashid Tech Solutions is equipped and excited to tackle your Windows on-screen keyboard application development project. Our expertise spans across various core technologies including C# Programming and Windows API, which are highly relevant for creating a customizable mini on-screen keyboard with adjustable size, color, and placement features, just as you desire. The purpose of this project is to have the on-screen controller keys mimic physical key presses on subsequent key presses; we get it, and we can make it happen. Our background in Accessibility will come handy in creating a highly visible on-screen keyboard that meets your expectations in terms of design, precision, and usability. Moreover, we appreciate your inclination for a long-term relationship for quality future development encompassing hardware keyboard integration, subscription-based monetization, and possible expansion to a full keyboard. This aligns closely with our vision of designing reliable solutions where software, hardware, and cloud technologies work harmoniously to deliver seamless experiences. For us at Rashid Tech Solutions it’s not just about completing the project successfully but also supporting our clients post-handover with documentation, fixes and ongoing support
£600 GBP in 7 days
5.9
5.9

⭐⭐⭐⭐⭐ Create a Customizable On-Screen Keyboard for Windows Applications ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and see you are looking for a Windows application to create a mini on-screen keyboard. Look no further; Zohaib is here to help you! My team has completed 50+ similar projects for software applications. I will build a highly visible, customizable keyboard, allowing users to click on controller keys that mimic physical key presses. ➡️ Why Me? I can easily develop your on-screen keyboard as I have 5 years of experience in application development, focusing on user interface design, software integration, and customization. My expertise includes programming languages like C# and .NET, ensuring a smooth and efficient build. I also have a strong grip on UI/UX principles and software testing, which will enhance user experience and application reliability. ➡️ Let's have a quick chat to discuss your project in detail. I can share samples of my previous work and how I can add value to your project. Looking forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ C# Programming ✅ .NET Framework ✅ UI/UX Design ✅ Software Testing ✅ Application Development ✅ Custom Keyboard Design ✅ User Interaction ✅ Color Customization ✅ Responsive Layouts ✅ Debugging ✅ Software Integration ✅ Long-Term Development Strategy Waiting for your response! Best Regards, Zohaib
£350 GBP in 2 days
5.8
5.8

As a seasoned developer with extensive experience in C# programming, user interface design and Windows API, I'm well-equipped to tackle your challenging project of creating a highly visible, resizable, and customizable on-screen keyboard with only controller keys. My skills are squarely aligned with the requirements of this project and my passion for efficient workflow solutions complements its long-term nature. Having successfully delivered numerous web, mobile, and desktop applications while ensuring top-notch user experience, I'm confident that I can create an on-screen keyboard application that not only meets your current needs but can be easily expanded in the future for a complete keyboard with additional color configuration options. Emphasizing both form and function, I'll commit myself to designing it in a way that's intuitive for users while being visually optimized for high visibility. Furthermore, my previous exposure to hardware keyboard integration and subscription-based monetization strategies positions me perfectly to assist you not just now but as your project evolves. As your trusted digital partner, I pledge clear and professional communication throughout the process from design agreement to deployment. So if you're looking not only for a competent developer but a committed collaborator, let's get started today!
£300 GBP in 3 days
5.4
5.4

Building a custom Windows on-screen keyboard that handles modifier key states requires precise interaction with the Windows API to ensure the application correctly simulates the 'hold' functionality for subsequent physical key presses. I understand the requirement for a lean, functional interface focused specifically on controller keys and am ready to define the UI design specifications with you to ensure it integrates seamlessly into your workflow. My background in Windows desktop development and .NET programming allows me to handle these low-level system inputs effectively. Beyond just building the initial tool, my experience with UI/UX design and long-term software maintenance ensures that the application will be stable, responsive, and ready for the future feature additions you mentioned as part of our long-term collaboration. My bid for this project is £448.25 with a delivery time of 1 day. Let's discuss your preferred design layout in the chat so I can start development immediately.
£448.25 GBP in 1 day
4.8
4.8

✅✅✅✅✅ Only Perfection & Even 99.99% Isn't Enough For Me. ✅✅✅✅✅ Hi there, In the technological landscape, there's a dire need for applications that maximize usability for individuals with diverse requirements. Your Windows on-screen keyboard project seeks to provide such a solution - a highly-visible and customizable mini on-screen keyboard with controller keys for enhanced accessibility. This resonates deeply with my passion for developing software that improves lives, streamlines operations, and solves real-world problems at scale. With a robust background spanning healthcare systems, operational platforms, and scalable digital products, I am well-versed in navigating the complexities of building applications that require high customizability, reliable performance, and long-term scalability - precisely what your project calls for. Apart from being proficient in C# programming and software development as stipulated in the project qualifications, my expertise in UI/UX design will empower me to deliver a visually appealing interface that meets users' needs without compromising ease-of-use. To ensure maximum output within project deadlines while maintaining excellent quality control, I have fortified myself with a skilled team of developers, designers, and QA specialists - ensuring your project receives comprehensive attention. Let's create a window into inclusivity together.
£250 GBP in 7 days
4.0
4.0

The important part of this Windows app is making the virtual controller keys behave exactly like physical key presses, especially when multiple keys are held at the same time. I’d focus on reliable input state management rather than treating each button as a simple click event. I’d build the application in C# with WPF and use the Windows API for keyboard input. Each on-screen controller button would maintain its pressed state and map to the corresponding physical key, allowing combinations to be held simultaneously and released correctly. I’d also keep the input layer separate from the UI so the key mapping and behavior can be extended later without redesigning the application. One edge case I’d handle carefully is focus and stuck-key prevention. If the application loses focus or is closed while a virtual key is held, the corresponding physical key state should be released safely rather than remaining logically pressed. I’d start with a small functional prototype covering the controller layout, single-key presses and multi-key combinations, then refine the UI and input behavior based on your preferred design. The code would be structured for future development, since you’re looking for a long-term relationship. Which controller keys need to be supported in the first version? Should the virtual keyboard remain active when another application has focus? And do you already have a preferred visual layout for the on-screen controls? Juan Pablo
£500 GBP in 7 days
3.8
3.8

Hi, Aashiq here from Cape Town, South Africa. This project instantly caught my eye, so I had to reach out. I see you are looking for a customizable mini on-screen keyboard that focuses on controller keys. This is a unique challenge, and I’m excited about the potential for seamless integration and future expansion. I’ve developed similar applications that enhance user experience and functionality. My work has helped businesses improve engagement through intuitive designs that cater to user needs. I’m confident I can deliver a high-quality solution that meets your objectives, and I can share samples of my previous projects if you’d like. Based on what you mentioned, here is how we would approach the project: - Collaborate on design aspects to ensure it meets your vision. - Develop a flexible framework for customizable key placement and appearance. - Implement functionality to ensure responsive interaction with physical keys. You can expect clear communication throughout the process, ensuring a user-focused solution optimized for performance. Best Regards, Aashiq
£700 GBP in 14 days
3.8
3.8

Hi there, I see you need a mini on-screen keyboard application for Windows, focused on controller keys. I can leverage my experience in developing user interfaces and desktop applications using C# and WPF to create an efficient solution that meets your requirements. Additionally, we can discuss and agree on design aspects to ensure the application aligns perfectly with your vision. Your satisfaction is guaranteed, and I am committed to delivering a high-quality result for this project. Regards, Ali
£250 GBP in 10 days
3.5
3.5

As a full-stack software developer with robust proficiency in C# Programming, I, alongside my remarkable tech team - Fourge, am uniquely positioned to deliver the Windows on-screen keyboard application you require. We have an extensive background in crafting user interfaces and user experiences that are highly visible, customizable and intuitive. Our experience spans across diverse platforms including Windows, iOS, Android and even hardware prototypes. Our objective as technology architects lies in tailoring advanced solutions for our clients that not only meet their current needs but also anticipate their future ones. In this case, we keenly understand your desire for a long-term relationship and our aim is to provide you with a product that will leave you wanting more from us overtime. We are prepared to handle future expansions such as hardware keyboard integration or subscription-based models of monetization as we have built applications with these features. Your project requires nuanced skills which I’m proud to say we’ve continually refined including UI/IA (which we’ve employed in delivering compelling products) and Software Development (which our diverse calculation mining path has primed us for). By selecting Fourge, you’re employing a team focused on creating transformative solutions that aligns seamlessly with your business goals and aspirations. Let's begin this journey together!
£250 GBP in 7 days
4.5
4.5

Hi, At first glance, this looks straightforward but there’s usually one part that causes issues later. Happy to share a quick plan if you're open to it. Regards, Rajesh
£500 GBP in 7 days
1.2
1.2

As an accomplished developer and UI/UX designer with a remarkable portfolio of more than 416 successful projects in varied industries, I am well-suited for the task of building your unique Windows on-screen keyboard application. With over 14 years of experience, my skills span across full-stack development utilizing popular frameworks like MERN, MEAN, and Open-Source technologies such as PHP and Python. This enables me to provide end-to-end solutions that cater to diverse needs and preferences. Specifically concerning your project's objectives, let me assure you that I possess extensive knowledge and experience not only in software development but also UI/IA. This combination allows me to understand not just the technical aspects of programming but also how crucial design is to the usability and efficacy of an application. With a long-term relationship being a critical objective for you, I believe my dedication to client satisfaction, commitment to delivering tailored solutions, and my proven experience with even complex applications like CRM and Salesforce would make me an ideal fit for you. I look forward to discussing your vision in detail and contributing towards transforming it into a reality that exceeds your expectations.
£700 GBP in 7 days
1.4
1.4

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