Even programs that come with toolbars (like Java) won't have a toolbar when you install them via Ninite. If you have parents or relatives that use a computer, you can tell them just to use Ninite to get and update the free programs they need - the software on Ninite is guaranteed to be safe. If you want a safe place to get freeware without worrying about toolbars and other junkware, Ninite is the program to use.
Download sites are uniformly terrible these days - even good old SourceForge is now bundling junkware. But there's no real trustworthy, centralized source of the stuff. Of course, safe freeware is available elsewhere online. Related: Defend Your Windows PC From Junkware: 5 Lines of Defense It's a place you can get safe Windows freeware without trawling the usual download sites full of harmful garbage.
This application is far more than a tool for tech support people to easily set up PCs.