LuLu 1.2 for Mac is available as a free download on our application library. Our antivirus check shows that this Mac download is malware free. The program is categorized as Security Tools. The actual developer of this free Mac application is Objective-See.
From the developer:
LuLu is the free open-source macOS firewall that aims to block unknown outgoing connections unless explicitly approved by the user.
You may want to check out more Mac applications, such as uLock, Citrix Access Gateway or WallsOfTroy, which might be related to LuLu.