There are 3 repositories under telnet-server topic.
Python telnet honeypot for catching botnet binaries
Package telnet provides TELNET and TELNETS client and server implementations, for the Go programming language, in a style similar to the "net/http" library that is part of the Go standard library, including support for "middleware"; TELNETS is secure TELNET, with the TELNET protocol over a secured TLS (or SSL) connection.
ESP32 with HTTP server, Telnet server, file system, FTP server FTP client, SMTP client, cron daemon and user management
Lightweight BBS For Linux - Bulletin Board System server software
A terminal emulator with remote shell for non-jailbroken iOS devices
Z80 Emulator for ESP32 including Basic and CP/M 2.2
Z80 Emulator for Raspberry Pi Pico and other RP2040 based MCU boards
A Node.js Multi-User Dungeon (MUD) Framework
Computer Networks course projects
Python MUD Engine
A functional Telnet server written in C#
This tool is virtual cisco_router to simulate telnet hacker connexion in Python which logs HackerIP and Command Lines
My first Pony app - multi-user telnet-based chat
grblHAL plugin for networking protocols (Telnet, WebSocket, FTP, HTTP) and related utilities on top of LwIP
Telnet Server written in Java
A telnet server for Swedish teletext service | En telnet-server för SVT Text TV
Telnet battleship game written in Lua
A modern MU* engine
Docker image for the x/84 Python BBS software
A tiny configurable telnet server emulator
Haxe Network Library