I think OTX is the most stable (maintained) version of 7.6/7.72 protocol these days.
Last official release is 2016, so I would grab the master branch (last updated july 2019) for otxserv3
OTX Server from:. Contribute to mattyx14/otxserver development by creating an account on GitHub.
github.com
7.6 / 7.72 con flag: _MULTIPLATFORM77
And the map, spawn and houses can be downloaded here:
I just found these two great maps from my old computer and decided to upload them here if someone needs them. Miss the 7.6 days with these maps.. :( Armoni Illusion Someone should make server out of these ;)
otland.net
Alternatively if 7.72 is acceptable, the nostalrius distro might work:
Nostalrius is a 7.7 Tibia Clone Project based on The Forgotten Server 1.2 and CipSoft files. - Ezzz-dev/Nostalrius
github.com