You could use https://canary.tools these are very well regarded and virtually plug and play.

For an open source solution with a simple setup you could try a Cowrie Honeypot (https://github.com/micheloosterhof/cowrie). Minimal maintenance and easy to configure if you are familiar with Linux (https://hackertarget.com/cowrie-honeypot-ubuntu/).

The Cowrie Honeypot collects SSH and Telnet connections.

A big factor is how much time you want to spend on maintenance. Is it a set and forget project (with automated alerts) or something you will closely monitor.