Warp engines

Warp Engines are engines used to faster - than - light travels. Unlike Sojuz engines, they Warp space around ship, which allows to not plan end point, as with Sojuz engines and hyperdrive.

Races used that technology
Technology was invented by Vulcans. Humans receive it in exchange after flight with Sojuz engines. Other races known to use that propulsion:

-klingons

-cardassians

-romulans

-bajorans

-Ansoids

Background
Warp engines are main propulsion engines in Star Trek. Non-canon Works (and Troubles in journey, half-canon) stated that Stat Trek is a Parallel universe.