Technically, every technology in the Harmony Diplomacy and Trading tree (except for Extreme Consumption) is specific to them. List of Faction-Specific Technologies Amoeba Research Cost The Cravers have several unique technologies that replace existing universal technologies, and due to the Harmony's inability to use dust or heroes, their Diplomacy & Trading tree, in particular, is very different. The above table will differ somewhat from the Cravers and the Harmony technology trees.
The number after the '/' in Research Cost is the cost for Galactic Warfare technologies in that row. 6 List of Faction-Specific Technologies.