Some key features are:
- No Clicking Next, Next, Next
Ninite fully automates installers offscreen. - No Toolbars
Ninite automatically says "No" to toolbars and other junk. - Always Up-to-date
A Ninite installer always gets an app's latest version no matter when you made it. - It Updates Too
Just run your Ninite installer again and it will update the apps to their latest versions. - No Signup
Ninite just works. No account, signup, or client needed. - 32 and 64-bit
Ninite installs the best version of an app for your PC. - International
Ninite installs apps in your PC's language.
They do have a linux beta going as well but very few apps.