A Hexcasting x Valkyrien Skies interop and compat mod. also having a bit more compat with other addons (more pages appear in the in-game documentation book). to see a list of supported addons and interop patterns. check the wiki.
Base Hexcasting interop includes the ability to apply forces and torques to a ship, get it's pos, get it's mass, get it's north direction Hexal interop allows wisp to attach themselves to ships. MoreIotas and ComplexHex allow you to access more ship data in other formats (ship transform matrix, and ship rotation as quaternion respectively)
