What actually worked for user acquisition after your initial launch spike faded?

Launch week gave us a massive rush of traffic, signups and great discussions. Two weeks later the homepage traffic dried up and we were staring at a flatline in daily new users.

We realized quickly that launch momentum isn't a growth strategy it's just a one-time spotlight. Relying on sporadic social media posts hasn't been enough to build a predictable pipeline.

for makers who successfully transitioned from launch hype to steady growth: which single repeatable channel ended up driving your most consistent users?