Dribbble is the largest portfolio and community platform for designers — "shots" of UI work, illustration, branding, and motion posted by individual designers and studios, plus a jobs board and hiring marketplace layered on top.
As a discovery tool it's less about single pieces of inspiration and more about following specific designers whose work you like over time — the platform rewards volume of quality output, so top accounts are a reliable ongoing feed rather than a one-time browse.
Useful both for inspiration and for actually hiring or getting hired — it's one of the few sites on this list that doubles as a functioning freelance and job marketplace, not just a gallery.
A lot of what gets the most likes is polished concept work made to look good as a still image rather than shipped product — treat popular shots as visual inspiration, not evidence of what actually works in production.
An online community where designers showcase and discover work.