LuLu
A free, open-source macOS firewall
80
Alternative Score74
AI Score84
Popularity75
Trust ScoreThe verdict
LuLu is a free security tool, best suited for individuals, teams, privacy-focused users. Below you'll find its key features, pricing, pros & cons — compared in one place.
Best for:IndividualsTeamsPrivacy-focused users
Last updated: August 26, 2026
About LuLu
AI Summary
LuLu — A free, open-source macOS firewall.
LuLu is a security tool — A free, open-source macOS firewall. It's a popular choice for anyone looking for a reliable firewall solution, with a well-rounded feature set and steady updates. Compare LuLu with the best alternatives on AlternativeHub.
Best for:IndividualsTeamsPrivacy-focused users
Pros
- Open source
- Has a free plan
- Strong protection
- Cross-platform