objective-see/LuLu
LuLu is the free open-source macOS firewall
{ "createdAt": "2017-09-10T06:56:23Z", "defaultBranch": "master", "description": "LuLu is the free open-source macOS firewall", "fullName": "objective-see/LuLu", "homepage": "https://objective-see.org/products/lulu.html", "language": "Objective-C", "name": "LuLu", "pushedAt": "2025-11-20T00:01:09Z", "stargazersCount": 11581, "topics": [], "updatedAt": "2025-11-25T14:30:09Z", "url": "https://github.com/objective-see/LuLu"}[简体中文]!(README_zh-Hans.md) | [正體中文]!(README_zh-Hant.md)
LuLu is the free open-source macOS firewall:

Documentation:
Full details and usage instructions can be found here.
To Support:
❤ Love this product and want to support it? Please check out my patreon page.