The TNFS server allows you to easily share files between a PC, Spectrum and Atari (#FujiNet ).

TNFS server for Spectranet (Sinclair ZX Spectrum ethernet interface)

TNFS server for FujiNet with TCP support

Fujinet TNFS Server v24.0522.1 https://github.com/FujiNetWIFI/tnfsd/releases/tag/v24.0522.1

An alternative TNFS server based on TNFSJ, a Java implementation of the protocol.

A web based file browser for use with a TNFSJ or TNFS server.