Setting up an own hub

Linux/UNIX: uhub

A high-performance hubsoft for Unix-like operating systems with basic functionality.

Windows: ADCH++

Other alternatives

Luadch

A multi-platform hubsoft with easy initial setup. Limited client compatibility with TLS enabled, may not pass all commands between clients. Not recommended for hubs with more than 1000 users.

Flexhub

A multi-platform hubsoft with easy initial setup. Not being actively maintained, may not pass all commands between clients and not recommended for large hubs.