RustDesk claims to be the best open-source remote desktop client software, written in Rust. Works out of the box; no configuration required—a great alternative to TeamViewer and AnyDesk. You have full control of your data, with no concerns about security. You can use our rendezvous/relay server, set up your own, or write your own rendezvous/relay server. Similar: How to Enable or Disable Always Prompt for Password Upon Remote Desktop Connection