How is LuLu compared to littlesnitch? And is it even useful anymore with macOS being increasingly locked down (see https://news.ycombinator.com/item?id=24838816).
Last i tried LuLu it worked similar to Littlesnitch, though nowhere near as "polished". The basic functionality is more or less the same though, with Littlesnitch offering to automatically unblock known "trusted" services like Apples own services.
> And is it even useful anymore with macOS being increasingly locked down
It's an application firewall, so even if MacOS is locked down, any app can still roam freely (within it's jail). Suppose some app has access to your contacts, that means it can still upload every contact to a server, and an application firewall can help you detect/block that.
Even if you don't use iCloud, the App Store, iMessage, FaceTime, or any of it - macs still send tons of realtime usage data to Apple even if you don't want them to.