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I need a solid, ScreenConnect-style application that lets my small team (no more than ten users) jump onto a colleague’s machine, take full remote control, and share screens in real time without lag. Windows, macOS, and Linux all have to be covered—ideally with native agents or a lightweight install so nobody has to fight with dependencies on the day we roll it out. Core functions • Unattended and attended remote desktop control • Smooth, high-resolution screen sharing for demos or quick troubleshooting (File transfer would be a bonus but is not mandatory right now.) Security is critical, so I expect end-to-end encryption (TLS/AES or equivalent), individual session codes, and role-based permissions. A web-based admin console where I can create users, set access levels, and view session logs would make life easier. I’m open to two routes: 1. You already have a proven, white-label solution you can brand for us and license. 2. You can build a custom app from scratch—leveraging something like .NET, Rust, or WebRTC—so long as the final installer and UX are polished. Deliverables 1. Executables or installers for Windows, macOS, and Linux 2. Central admin/management console (web or desktop) 3. User and admin guides with screenshots 4. Source code or perpetual license agreement (whichever applies) 5. At least two weeks of post-deployment support for fixes and questions If you can demonstrate an existing product or a solid prototype that checks these boxes, share a brief video or live demo link with your proposal and outline your expected timeline to full deployment.
Project ID: 40605773
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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 .NET, Linux, Software Development, Encryption, Security, Prototyping, WebRTC, Web Application, Desktop Application 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.
$25 USD in 5 days
7.7
7.7

Hi — Elias here from Miami. I understand you're looking for a custom cross-platform remote support application to enable effective collaboration for your small team, similar to ScreenConnect. What usually matters most here is ensuring the application is reliable and secure. A common issue in systems like this is managing real-time connections while maintaining data integrity and user privacy. The tricky part is integrating different platforms seamlessly while ensuring scalability for future growth. My approach would involve a solid architecture, leveraging WebRTC for real-time communication and .NET for backend stability. I’d emphasize maintainability and security from the start, which are crucial for remote support tools. I’ve built similar applications requiring robust encryption and user management, ensuring security is a core component. A few questions to better understand the scope: Q1 – What specific user roles will need to be defined within the application? Q2 – Are there particular integrations or tools your team currently uses that we should consider? Q3 – What are your expectations for scaling the application in the future? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$50 USD in 10 days
7.6
7.6

I am a seasoned software developer with extensive experience in building cross-platform remote support applications. With a strong background in technologies such as .NET and WebRTC, I can either leverage a current solution you can brand or build a custom application tailored to your specifications. In my previous projects, I've developed and deployed secure remote desktop tools that include unattended and attended access, high-resolution screen sharing, and robust encryption protocols like TLS/AES. I understand the critical importance of security and seamless operation across Windows, macOS, and Linux, and I have ensured these standards without fail. My expertise also encompasses creating user-friendly installers with minimal dependencies. I would be interested in discussing your expectations for the project timeline and can demonstrate previous solutions that align closely with your needs. Please let me know a convenient time for a discussion to ensure we align on objectives and deliverables. Looking forward to the opportunity to contribute to your team's efficiency and security.
$20 USD in 40 days
6.5
6.5

Hi, I'm ready to build a solid, ScreenConnect-style application for your team. My approach will involve creating a robust remote desktop control solution that supports unattended and attended access across Windows, macOS, and Linux. I will ensure smooth, high-resolution screen sharing for demos and troubleshooting, while also prioritizing security with end-to-end encryption and role-based permissions. I can either customize a proven white-label solution or develop a new application from scratch using .NET or WebRTC, ensuring a polished user experience. Regarding your deliverables, I will provide executables for all platforms, a central admin console, user guides, and a perpetual license agreement. Post-deployment, I will offer at least two weeks of support for any fixes or questions. If you would like to see my previous work, please check my portfolio: https://www.freelancer.com/u/techplusintl Could you clarify if you have a preference for a white-label solution or a custom build? Looking forward to your response.
$20 USD in 40 days
6.2
6.2

Your biggest risk is WebRTC packet loss causing control lag under variable network conditions—if you don't implement adaptive bitrate and fallback protocols, your team will experience frozen screens during critical troubleshooting sessions. Quick questions - are you planning to self-host the signaling server on your own infrastructure, or do you need a managed cloud deployment with auto-scaling? And what's your tolerance for initial connection time—sub-2 seconds or can handshake take 5-10 seconds if it guarantees stable control afterward? Here is the architectural approach: - .NET + WEBRTC: Build cross-platform agents using .NET 8 with native WebRTC bindings, implementing STUN/TURN fallback for NAT traversal and AES-256-GCM encryption at the data channel layer to prevent man-in-the-middle attacks. - LINUX COMPATIBILITY: Package agents as AppImage and .deb with zero external dependencies, using Wayland/X11 detection to handle screen capture across Ubuntu, Fedora, and Arch without manual configuration. - SECURITY ARCHITECTURE: Deploy role-based access control with JWT session tokens, audit logging to immutable storage, and TLS 1.3 mutual authentication between agents and your admin console to meet enterprise compliance standards. I've built two similar remote access platforms for MSPs managing 200+ endpoints—one scaled from prototype to production in 8 weeks with zero post-launch security incidents. Let's schedule a 20-minute technical call to review your network topology and finalize the deployment architecture before we start the build.
$18 USD in 30 days
5.7
5.7

Hello, {{{ I HAVE CREATED SIMILAR BEFORE AND I CAN SHOW YOU }}}} >>>> Multi languages (English and Arabic)Left-To-Right (LTR) and Right-To-Left (RTL) <<<< I have carefully reviewed your requirements for the custom cross-platform remote support software and understand the need for a reliable ScreenConnect-style solution with secure remote access, real-time screen sharing, unattended/attended control, and centralized management. I have 10+ years of experience in software development, desktop applications, networking, WebRTC, and secure system architecture, I can help build or customize a solution that works smoothly across Windows, macOS, and Linux. I can handle the complete development process, including native agents, remote desktop communication, encryption, session management, user roles, admin dashboard, logging, and deployment packages. The application will be designed with security in mind using secure communication protocols, authentication mechanisms, and proper access controls. I am glad to say we have worked on many apps in various domain like Crypto Payments App , Wallet App E-learning schools, teachers, students and parents App ,Logitics App ,Ride-sharing App ,Grocery App ,Taxi and Delivery Combined App, Pharmacy App ,Doctor App ,Dating app instagram App ,Restaurant app, healthcare, real estate app, eCommerce app,Classified , Service Provider ,Sports ,Dental ,Evant , Airbnb ,Real Estate , etc... Thanks Christina
$15 USD in 40 days
5.6
5.6

Hello, I can help build your custom cross-platform remote support software with smooth screen sharing and secure remote control for Windows, macOS, and Linux. I will focus on creating a lightweight, native-like installer and strong end-to-end encryption with role-based permissions as you requested. The admin console will allow easy user management and session tracking. I can either customize an existing solution or develop a polished app from scratch using .NET and WebRTC to ensure reliable performance and security. The deliverables will include installers, admin console, guides, source code or license, plus post-deployment support. Can you share if you prefer a white-label product or fully custom build to start? Also, do you have any existing infrastructure or tech preferences for deployment? Best regards, Waqas & GoDesign Team
$30 USD in 3 days
5.4
5.4

✋ Hi There!!! ✋ The Goal of the project:- BUILD A SECURE, LOW-LATENCY CROSS-PLATFORM REMOTE SUPPORT SYSTEM FOR WINDOWS, MACOS, AND LINUX. I have carefully read your complete requirements for attended and unattended remote control, smooth screen sharing, strong encryption, session codes, role-based access, and central admin management. I am the best fit with 9+ years experience as a full stack developer and have completed similar secure remote support and desktop applications. 1. Cross-platform desktop agents and installers 2. Web-based admin console with users, permissions, and session logs 3. Secure WebRTC remote control and real-time screen sharing I will also provide UI design, database management, testing, documentation, deployment support, and full source code delivery. Can you share your preferred technology stack? Do you already have a prototype or existing solution? Should file transfer be included in the first release? Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$15 USD in 40 days
4.9
4.9

Hello I have gone through your specific requirement for remote desktop platform. I would use H264 hardware encoding instead of software encoding because it keeps screen sharing smooth when network quality drops. I will build a cross platform remote access system with secure sessions and a simple admin panel that your team can use every day. But first I want to map your support flow. I built secure desktop tools for business teams with over 5000 managed devices. Demo video and screenshots I can share. How do your team members connect today? I want to understand daily support and deployment. Free for a quick chat this week? Dev Singh
$25 USD in 40 days
5.0
5.0

Hello! I'm a seasoned software developer with over 9 years of experience building cross-platform remote access solutions using .NET, WebRTC, and secure encryption protocols. I've delivered white-label remote support tools for small teams that run smoothly on Windows, macOS, and Linux with polished UX. Here's how I can help: - Provide a proven, white-label remote support solution you can brand immediately, or build custom from scratch - Deliver native agents with unattended and attended control, high-res screen sharing, and minimal dependencies - Implement end-to-end encryption (TLS/AES), session codes, and role-based permissions for security - Set up a web-based admin console for user management, access levels, and session logs - Include installers, user/admin guides, source code or perpetual license, and 2 weeks of post-deployment support I can share a live demo of a similar solution I've deployed. To confirm the best route, could you clarify your preferred approach—white-label existing solution or custom build—and your expected timeline for deployment?
$20 USD in 40 days
4.5
4.5

Hello There! I’m Md. Toriqul Islam, and I’m excited to partner with you. I can dive into your project immediately. I’m an experienced Full-Stack Software Developer with 10+ years of experience building secure, scalable desktop, web, and networking solutions. I have rich experience in remote desktop applications, .NET, WebRTC, client-server architecture, encryption, and cross-platform software development. I am skilled in C#, .NET, Rust, WebRTC, Electron, Node.js, REST APIs, TLS/AES security, and PostgreSQL/MySQL. I understand you need a ScreenConnect-style remote support application with unattended/attended access, real-time screen sharing, strong encryption, role-based permissions, and a central admin console. I can deliver a polished, cross-platform solution with native installers and an intuitive management interface tailored to your team's needs. My expertise in secure remote access systems, cross-platform development, and scalable architectures enables me to deliver a reliable, production-ready solution. I’m ready to start immediately and would be happy to discuss whether a white-label solution or a fully custom-built application is the best fit for your timeline and budget. Looking forward to hearing from you. Best regards, Md. Toriqul Islam
$15 USD in 40 days
4.8
4.8

As a seasoned software developer with a keen understanding of digital product development and strategy, I offer you my skills and experience in creating robust, user-friendly applications that meet complex needs. The need for your small team's cross-platform remote support software aligns perfectly with my capabilities. Having mastered multiple technologies, I suggest leveraging .NET to build your desired application. I prioritize user experience, scalability, and security in all my projects just as you do. My ability to architect software with end-to-end encryption (TLS/AES) and role-based permissions ensures the utmost security for your remote sessions. Additionally, my knowledge of WebRTC will be an asset for delivering high-resolution screen-sharing functionality sans lag on Windows, macOS, and Linux natively or via lightweight installs. Communicating transparently is one of my strengths and this will be evident as I provide you with well-documented user and admin guides that incorporate screenshots for easy use and understanding. Furthermore, I commit to post-deployment support for two weeks ensuring any lingering fixes or concerns are promptly addressed. Trust me with your vision; I'll deliver on time, giving you perpetual license to the source code or a preferred license agreement through a proven product or one built from scratch that boasts a polished installer and admin console.
$20 USD in 40 days
4.4
4.4

Hi, I'm a Senior Full Stack .NET Developer with 8+ years of experience building web applications, REST APIs, and SaaS solutions using ASP.NET Core, C#, React, Angular, and SQL Server. I believe I'd be a great fit for your team because I enjoy working on long-term projects and collaborating closely with remote teams to build reliable, scalable software. Here's what I can bring to your projects: • Develop and maintain ASP.NET Core / .NET web applications • Build secure and scalable REST APIs • React and Angular frontend development • SQL Server, MySQL, and PostgreSQL database design & optimization • Third-party API integrations (Stripe, payment gateways, external services) • Bug fixing, performance optimization, and clean, maintainable code • Git, Azure DevOps, CI/CD, and collaborative development workflows • Experience working with cloud services and modern development practices I'm comfortable working independently, participating in code reviews, discussing technical solutions, and delivering high-quality software on time. I'm looking for a long-term collaboration where I can contribute across multiple projects and grow with the team. Looking forward to hearing from you. Best regards, Sunny
$15 USD in 40 days
4.5
4.5

Greetings, I have reviewed your project description and recently worked on a similar project. I believe I can help you deliver this successfully. Let’s open a chat to discuss your requirements in detail and determine the best approach for your project. Regards
$20 USD in 40 days
3.9
3.9

⚠️ If you're not happy, you don’t pay. ⚠️ Hi, Thank you for checking my proposal and sharing the detailed project brief. I can build your ScreenConnect-style application using .NET or WebRTC with a high-end and user-friendly design. I will deliver: • Unattended and attended remote desktop control • High-resolution screen sharing for demos and troubleshooting • End-to-end encryption (TLS/AES) for security • Web-based admin console for user management and session logs • Executables for Windows, macOS, and Linux • User and admin guides complete with screenshots • At least two weeks of post-deployment support for any questions or fixes You will also receive: • A demo video showcasing initial features. I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag Pipal
$15 USD in 30 days
3.7
3.7

Hello, I’ll build a native .NET Core host with WebRTC‑based screen streaming that runs on Windows, macOS and Linux, wrapping the video pipeline in a TLS‑encrypted channel so the UI stays under 200 ms latency even on a 1080p stream. I’ll also add a lightweight Electron admin console that stores session codes in a role‑based SQLite DB, letting you create users and audit logs without extra dependencies. Do you prefer a white‑label product you can rebrand, or a ground‑up implementation using .NET and Rust? Thanks. Nemanja M.
$15 USD in 30 days
3.6
3.6

Building a ScreenConnect-style tool for ten users at this budget is tough, but there's a practical path: wrapping an open-source core like RustDesk with your branding, a custom relay server, and a web admin panel for session logs and role-based access. I'll set up the relay server with TLS encryption, configure native agents for Windows, macOS, and Linux, and build a lightweight admin console for user management. One thing worth noting: WebRTC handles screen sharing well but struggles with unattended access and native input capture, which is why a purpose-built protocol like RustDesk's works better here. 1) Do you have a VPS or cloud server already for hosting the relay? Happy to talk details in chat. Shayan
$19 USD in 40 days
3.2
3.2

Hello, I have experience with remote support systems that need low-latency screen sharing, remote control, unattended access, and clear admin workflows. Your cross-platform Desktop Application needs careful handling for Windows, macOS, and Linux agents, plus WebRTC sessions that stay smooth during troubleshooting. I can prepare the installers, management console, user roles, session logs, and guides with screenshots. Security will be planned around encrypted transport, session codes, access permissions, and post-deployment fixes during the first two weeks. Best regards, Teo
$20 USD in 27 days
3.2
3.2

Hi there, I see you need a comprehensive cross-platform remote support solution. I can help you create a polished application that allows users to control desktops across Windows, macOS, and Linux seamlessly. With my experience in software development, particularly in building secure applications, I'll ensure that the app has the necessary end-to-end encryption and a user-friendly admin console. I estimate around two weeks for deployment, including user and admin guides. If you're interested, I can provide a prototype showcasing similar features. Your satisfaction is my top priority and I'm committed to delivering a high-quality result. Regards, Ali
$15 USD in 1 day
3.1
3.1

Hi, I've built remote support solutions before and your requirements map cleanly to a proven approach: white-labeling an open-source remote desktop framework (Rust-based, WebRTC-capable) that already delivers cross-platform unattended access, TLS/AES encryption, and file transfer out of the box. My Plan: 1. Brand & configure the remote desktop client/server for your team (Windows/macOS/Linux installers) 2. Build a web admin console for user management, role-based permissions, and session logging 3. Configure self-hosted relay server so all traffic stays under your control 4. Package polished installers + user/admin guides 5. Two weeks post-deployment support included This avoids reinventing the wheel — you get a production-tested core with custom branding and a tailored management layer on top. Timeline: 2-3 weeks to full deployment. I can share a demo of the base platform working cross-platform. Let's chat to confirm your branding and priority features. Best regards,
$15 USD in 40 days
2.7
2.7

عمّان, Jordan
Member since May 30, 2026
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₹12500-37500 INR
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