Google Trends - Explore Google trending search topics with Google Trends.
Widgeridoo - Custom and pre-made widgets for iOS and macOS
Glimpse - Discover trends before they're trending
Exploding Topics - Get inspirations for blog posts, startup projects, cocktail conversations and beyond on Trennd, the one-stop aggregator for emerging search and social trends.
Widget Web - Widget Web is a handy application that allows you to view the content of web pages in a widget on your iOS device’s home screen.
Trends Everywhere - The easiest way for data people to track internet trends