Free, Open-Source Remote Administration Tool for Windows

Quasar is a fast and light-weight remote administration tool coded in C#. The usage ranges from user support through day-to-day administrative work to employee monitoring. Providing high stability and an easy-to-use user interface, Quasar is the perfect remote administration solution for you.

• TCP network stream (IPv4 & IPv6 support)
• Fast network serialization (Protocol Buffers)
• Compressed (QuickLZ) & Encrypted (TLS) communication
• Multi-Threaded
• UPnP Support
• No-Ip.com Support
• Visit Website (hidden & visible)
• Show Messagebox
• Task Manager
• File Manager
• Startup Manager
• Remote Desktop
• Remote Shell
• Download & Execute
• Upload & Execute
• System Information
• Computer Commands (Restart, Shutdown, Standby)
• Keylogger (Unicode Support)
• Reverse Proxy (SOCKS5)
• Password Recovery (Common Browsers and FTP Clients)
• Registry Editor

• .NET Framework 4.0 Client Profile or higher (Download)
• Supported operating systems (32- and 64-bit)
  • Windows XP SP3
  • Windows Server 2003
  • Windows Vista
  • Windows Server 2008
  • Windows 7
  • Windows Server 2012
  • Windows 8/8.1
  • Windows 10

Open the project in Visual Studio 2017+ and restore the NuGET packages. Once all packages are installed the project can be compiled as usual by clicking Build on the top or by pressing F6. See below which build configuration to choose from.

See CONTRIBUTING.md

See ROADMAP.md

Quasar is distributed under the MIT License.
Third-party licenses are located here.

I really appreciate all kinds of feedback and contributions. Thanks for using and supporting Quasar!