Web Apps: What are your favorites?

I’m wondering what web apps people here use most frequently. What are your favorite web apps? I’m kinda new to the whole web app thing but would like to start building some apps.

my favourite web app is google

yeah, can’t agree more, Google’s products have become integrated part of my daily life, and probably many others’

Can’t argue with Rudy, Google is my favourite web app too. :stuck_out_tongue: