Everything you need to know about Stargate Mod (Minecraft) - YouTube
GitHub - LittleBigBug/Stargate: (soon) Cleaned and improved fork of the Lockedcraft 1.15 fork of PseudoKnight's fork of theDgtl's Bukkit port of Dinnerbone's Stargate hMod plugin. (whew)
New Horizons
Atlantis and other projects + Playable Alpha - WIPs, Teasers & Releases - JKHub