Server - Tftp

There are several dominant players in this space. Here is a review of the top three.

Trivial File Transfer Protocol (TFTP) is the lightweight alternative to FTP, designed for simplicity and speed in local networks. Because it lacks authentication and encryption, it is primarily used for booting diskless workstations and updating firmware on network devices like routers and switches. TFTP Server

TFTP operates on the transport protocol, typically using Port 69 to listen for requests. There are several dominant players in this space