If you're leading a startup, you've got to be aggressive about staying on top of other businesses and products in your arena.
But watching your competition's every move can be time-consuming, which is why Lifehacker suggests the handy application Competitious.
It's a free Web app that monitors whatever businesses, services, or products you choose, keeping track of elements like site traffic, product features, and recent news. All things that you want to know, all in one place.
Competitious also has a feature that lets you create a "competition matrix" to track specific features of all your competitors and analyze them against your company:
You have to sign up before you can install it, but it's completely free.