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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.

Please check out theGetting Started guide.

• TCP network stream (IPv4 & IPv6 support)
• Fast network serialization (Protocol Buffers)
• Encrypted communication (TLS)
• UPnP Support (automatic port forwarding)
• Task Manager
• File Manager
• Startup Manager
• Remote Desktop
• Remote Shell
• Remote Execution
• System Information
• Registry Editor
• System Power Commands (Restart, Shutdown, Standby)
• Keylogger (Unicode Support)
• Reverse Proxy (SOCKS5)
• Password Recovery (Common Browsers and FTP Clients)
• ... and many more!

• Latest stable release (recommended)
• Latest development snapshot

• .NET Framework 4.5.2 or higher
• Supported operating systems (32- and 64-bit)
  • Windows 11
  • Windows Server 2022
  • Windows 10
  • Windows Server 2019
  • Windows Server 2016
  • Windows 8/8.1
  • Windows Server 2012
  • Windows 7
  • Windows Server 2008 R2
• For older systems please useQuasar version 1.3.0

Open the projectQuasar.sln in Visual Studio 2019+ with installed .NET desktop development features andrestore the NuGET packages. Once all packages are installed the project can be compiled as usual by clickingBuild at the top or by pressingF6. The resulting executables can be found in theBin directory. See below which build configuration to choose from.

SeeCONTRIBUTING.md

SeeROADMAP.md

See thewiki for usage instructions and other documentation.

Quasar is distributed under theMIT License.
Third-party licenses are locatedhere.

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