Lance is the only melee weapon in the short term. Our approach at the moment is to have two core weapons (melee, ranged) and use them + Forge upgrades + ammo to cover a very broad range of weapon types in a very sandbox-ey way.
Eg:
Slingbow + Multishot Upgrade + Explosive Sapphire Ammo = effectively an exposive ice shotgun
Lance + Range Upgrade + Poison Ammo = effectively a poisoned longrange melee weapon
etc.