Please, can you indicate Technological-based TLs? As in TLs where an alternate route in technological development, or where a technological POD leads to an ATL?
Two that come to mind are LostCosmonaut's Vapor Trails, which is about a world with very delayed rocketry due to no V-2, and e of pi and Truth is Life's Eyes Turned Skyward, about an alternate post-Apollo space program.