Remote Desktop Share is a Linux alternative to AnyDesk / Supremo for direct desktop sharing between two machines that can reach each other. Disclaimer: This project is an independent open-source tool and is not affiliated with, sponsored by, or endorsed by AnyDesk Software GmbH or Nanosystems S.r.l. Cannot access Wayland compositor-locked screens or root lock screens.

What it really does: • Host: captures the X11 screen (QScreen.grabWindow), splits it into 64x64 tiles and streams only changed tiles as JPEG over TCP. Random 9-digit session ID + random password; mutual HMAC-SHA256 challenge/response. • TLS 1.2+ using a self-signed certificate generated with the openssl binary; the certificate fingerprint is bound into the authentication proof and shown on both sides for comparison. • Viewer: shows the remote screen, adjustable FPS / JPEG quality / scale, measured RTT, fps and bitrate; sends mouse and keyboard events. • Remote input is applied with the X11 XTest extension (libXtst via ctypes) when available; otherwise the session is view-only and says so. • Chat and SHA-256 verified file transfer in both directions; session history.

Honest limits: direct TCP only — no relay server or NAT traversal, so the viewer must reach host IP:port (LAN, VPN or a forwarded port). The "session ID" is part of the credentials, not a global directory. It cannot capture the lock screen, login screen or Wayland-native windows (on Wayland only XWayland content is visible and controllable). No audio, no clipboard sync, no hardware video encoding.

Support development: https://buymeacoffee.com/thanhnv128b