💻 BilldDesk: Free Open-Source Cross-Platform Remote Desktop Guide

BilldDesk is a free, open-source remote desktop tool built with Vue3, WebRTC, and Electron. It supports all platforms with no limits, offering a true TeamViewer alternative for everyone.

No fees, no OS barriers, no quality compression. This open-source remote control tool, crafted by Chinese developers, is redefining the boundaries of freedom in remote desktop access.

🔍 1. What is BilldDesk?

BilldDesk is an open-source cross-platform remote desktop control tool (MIT licensed) built on Vue3 + WebRTC + Node.js + Electron. It supports Windows, macOS, Linux, Android, iOS, and Web browsers, positioning itself as a completely free alternative to commercial remote control software (such as ToDesk, Sunlogin, AnyDesk, etc.), while delivering features that surpass those of free-tier commercial products.

Core Advantages at a Glance:

• ✅ Free & Unlimited: No restrictions on session duration, resolution, frame rate, or connection count.
• ✅ Full Cross-Platform Interoperability: Any combination works — PC ↔ PC, Web ↔ Android, iOS ↔ Windows, and more.
• ✅ Enterprise-Grade Security: Supports private deployment with full data sovereignty.
• ✅ No Feature Cuts: Multi-screen/virtual screen, privacy screen, file transfer, screen wall, and other advanced features are all free.

⚙️ 2. Core Features: A Free Powerhouse Beyond Commercial Rivals

1. Cross-Platform Control & Connection Freedom

• Coverage of All Terminals:

• Multi-Role Collaboration: Supports "one-to-many" (one device controlling multiple), "many-to-one" (multiple users operating one device), and "view-only mode" (ideal for teaching and demos).

2. Professional-Grade Screen Control

• Multi-Screen / Virtual Screen: Display and control screens of multiple devices simultaneously, or create a virtual screen for computers without an external display.
• Privacy Screen: Automatically hide sensitive content (such as chat windows and password input fields) on the controlled device during remote sessions.
• Screen Wall: IT administrators can centrally monitor dozens of devices, improving efficiency through batch operations.

3. Efficient Built-in Productivity Tools

• File Transfer: Drag and drop files directly within a session; bidirectional transfer supported.
• Remote Screen Recording: Record the remote screen with a single click during control sessions.
• Keyboard & Mouse Mapping: Auto-adapts Windows/macOS/Linux shortcut combinations (e.g., Win key ⌘ key).

4. Security & Deployment Flexibility

• Connection Authentication: Mandatory device code + password verification, with support for custom dynamic passwords.
• Private Deployment: One-click self-hosted server via Docker, avoiding third-party data relay — perfect for enterprise intranets and sensitive scenarios.

🚀 3. Installation & Quick Start Guide

▶ 1. Download the Client

• Desktop (Win/macOS/Linux):
  Visit the official download page to get the installer.
• Mobile:
• Android: Direct APK install (via GitHub or third-party app stores).
• iOS: TestFlight beta (application required).
• Web (no installation needed):
  Directly visit https://desk.hsslive.cn.

▶ 2. Connect to a Remote Device

• Controlled (Remote) End:
  Open BilldDesk → Note the auto-generated device code and temporary password (customizable) → Adjust parameters (bitrate / frame rate / resolution).
• Controller End:
  Enter the remote device code + password → Click Connect → Enter the control interface.

▶ 3. Recommended Advanced Parameter Settings

🎯 4. Usage Tips & Advanced Features

1. Controlling Android from the Web

• Install BilldDesk on your Android phone → Enable "Developer Mode" and "USB Debugging" → Enter the device code on the web to reverse-control the phone screen remotely — perfect for helping parents operate their phones.

2. Multi-Screen Collaboration for Teaching / IT Operations

• Teachers / IT admins add multiple devices in the Web console → Enable Screen Wall mode → Demonstrate operations simultaneously or push commands in batches.

3. Auto-Start on Boot + Keep Alive on Lock

• Windows: Check "Launch on Startup" during installation; set Task Manager to "background running".
• macOS: System Settings → Login Items → Add BilldDesk to prevent sleep disconnections.

📊 5. In-Depth Comparison: BilldDesk vs. Commercial Remote Control Software

Data source: third-party testing and publicly available official information

💡 Why is BilldDesk the better choice?

• Technical Autonomy: Open-source code is auditable (GitHub project), with no backdoor risk.
• Zero Cost: Enterprises can deploy with no annual fees and no device count limits.
• No Feature Compromises: Features that commercial tools lock behind paywalls are all available by default in BilldDesk.

🛠️ 6. Deployment Options: From Lightweight Trials to Enterprise Clusters

▶ 1. Lightweight Trial (5-Minute Quickstart)

Directly visit the public demo environment at https://desk.hsslive.cn → Enter a device code for a temporary test — perfect for emergency use.

▶ 2. Standardized Client Deployment

# Windows batch deployment example (run as Administrator)
Invoke-WebRequest -Uri "https://desk.hsslive.cn/download/win.exe" -OutFile "BilldDesk.exe"
Start-Process -FilePath "BilldDesk.exe" -ArgumentList "/S" -Wait  # Silent install

▶ 3. Private Cluster Deployment (Recommended for Enterprises)

Deploy the server side via Docker to enhance security and connection stability:

# 1. Pull the image
docker pull galaxy-s10/billd-desk-server

# 2. Start the service (configure port forwarding)
docker run -d --name billd-desk \
 -p 3478:3478/udp -p 8080:8080 -p 443:443 \
 -v /data/billd:/app/data \
 galaxy-s10/billd-desk-server

Recommended server specs: 4-core CPU + 8GB RAM + 256GB SSD (supports concurrent connections from ~100 devices).

💎 7. Conclusion: Who Should Choose BilldDesk?

• Individual Users: Replace TeamViewer / Sunlogin free tier and escape resolution caps and intrusive ads.
• IT Operations: Monitor multiple devices via the Screen Wall and safeguard intranets through private deployment.
• Educational Institutions: Teachers can view student device screens simultaneously from the web for real-time guidance.
• Cross-Platform Developers: Test Android / iOS / PC multi-device interactions without purchasing commercial licenses.

💬 Reviewer's Verdict:
After using BilldDesk extensively for three months, it has become my go-to tool for remote device maintenance. Its WebRTC direct-connect mode keeps latency under 50ms, with operation smoothness comparable to local use; private deployment consumes only 2GB of RAM, easily manageable for small and medium businesses. With future native Linux client optimization, it will perfectly cover all production scenarios.

Project Repository: https://github.com/galaxy-s10/billd-desk
Try It Now: https://desk.hsslive.cn

Note: This is the English translation of the original Chinese version.