I'll sometimes go double gateway after a FFE to punish a Zerg's fast third with a few zealots, but that's about it. --- "You know, just once I'd like to meet an alien menace that wasn't immune to bullets." - The Brigadier
A lot of it needs to be in context. I mean, what do speedlings do against an FFE wall? Not much.
In the same way, using cannons to deny Zerg's third while you FFE is your way to apply early pressure in the context of P going FFE, and it is not an all in.
Against Terran, you can always go 1 gate expand and chrono your first Stalker and harass with your Zealot/Stalker.
I do not think they really do the "same" thing as what you listed, but P is just different, and this is what they have. --- "We do not stop playing because we get old, we get old because we stop playing." -- George Bernard Shaw
Closest Toss has early game would be Stalkers, which are very viable until Z speed, Stim or Conc Shells. --- "Rewind, I wanna go it again, light up the dark, halo on the side So I'll know it will not leave me wanting, I see my heart, waving me bye-bye"