1
Tunnelblick
tunnelblick.netAlso covers macos and privacy · same kind of website
Tunnelblick is free, open-source macOS software for controlling OpenVPN connections, with downloads and support information on its site.
Alternatives
The Best LuLu Alternatives in 2026
24 alternatives1 free · 2 open source
Looking for something like LuLu? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 2 are open source.
Monitor and control outgoing network connections on macOS with LuLu, a free, open-source firewall.
Top picks at a glance
First suggestionTunnelblickTunnelblick is free, open-source macOS software for…Free or freemium optionStayStay for Safari lists userscripts and ad blocking among its…Open source optionMistbornMistborn provides a self-hosted virtual private cloud with…Another optionFreenetFreenet offers peer-to-peer apps that operate without…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Tunnelblick | — | Not stated | macOS, Web |
| 2 | Freenet | — | Not stated | Linux, macOS, Web |
| 3 | RansomWhere? | — | Not stated | macOS, Web |
| 4 | BlockBlock | — | Not stated | macOS, Web |
| 5 | Lockdown Privacy | — | Not stated | iOS, Web |
| 6 | Tracee | — | Not stated | Linux, Web |
| 7 | OPNsense | — | Not stated | Web |
| 8 | ClashMac | — | Not stated | macOS |
| 9 | MailTrackerBlocker | — | Not stated | macOS, Web |
| 10 | What's Your Sign? | — | Not stated | macOS, Web |
All LuLu alternatives
2
Freenet
freenet.orgAlso covers privacy · same kind of website
Freenet offers peer-to-peer apps that operate without company control or dedicated servers, according to the project site.
3
RansomWhere?
objective-see.org/products/ransomwhere.htmlAlso covers macos and privacy · same kind of website
Detect possible macOS ransomware by monitoring file encryption activity with RansomWhere?.
4
BlockBlock
objective-see.org/products/blockblock.htmlAlso covers macos and privacy · same kind of website
BlockBlock monitors for malware that installs itself persistently to run automatically after a restart or login.
5
Lockdown Privacy
lockdownprivacy.comAlso covers macos and privacy · same kind of website
Lockdown Privacy offers an open-source firewall for blocking trackers, ads, and badware in apps on iPhone and iPad.
6
Tracee
aquasecurity.github.io/tracee/latestAlso covers privacy · same kind of website
Tracee monitors runtime security events and supports forensic analysis with eBPF instrumentation.
7
OPNsense
opnsense.orgAlso covers privacy · same kind of website
OPNsense provides open-source firewall and routing software, with project documentation and support information on its site.
8
ClashMac
github.com/666OS/ClashMacAlso covers macos and privacy
Manage proxy connections on macOS with ClashMac, a native client that includes traffic routing views.
9
MailTrackerBlocker
apparition47.github.io/MailTrackerBlockerAlso covers macos and privacy · same kind of website
The MailTrackerBlocker extension for macOS Apple Mail blocks email trackers, read receipts, and tracking pixels.
10
What's Your Sign?
objective-see.org/products/whatsyoursign.htmlAlso covers macos and privacy · same kind of website
Check file origin and cryptographic signing details from Finder with this macOS utility.
11
SuspiciousPackage
mothersruin.com/software/SuspiciousPackage/get…Also covers macos and privacy · same kind of website
Suspicious Package provides a downloadable macOS disk image, with its page listing the current version and bundle identifier.
12
Kextviewr
objective-see.org/products/kextviewr.htmlAlso covers macos and privacy · same kind of website
View details about kernel modules loaded on macOS with KextViewr, a utility from Objective-See.
13
KnockKnock
objective-see.org/products/knockknock.htmlAlso covers macos and privacy · same kind of website
Check which software is persistently installed on a Mac with KnockKnock, a tool for inspecting startup items.
14
OverSight
objective-see.org/products/oversight.htmlAlso covers macos and privacy · same kind of website
Get alerts when an app accesses a Mac microphone or camera with OverSight.
15
DHS
objective-see.org/products/dhs.htmlAlso covers macos and privacy · same kind of website
Dylib Hijack Scanner is a utility that scans a computer for applications that may be vulnerable to dylib hijacking.
16
Hyphanet
hyphanet.orgAlso covers macos and privacy · same kind of website
Hyphanet provides information and downloads for a project focused on protecting internet privacy.
17
Also covers privacy · open source
Mistborn provides a self-hosted virtual private cloud with a web interface, firewall, WireGuard VPN, Pi-hole, DNSCrypt, and IP filtering.
18
Also covers privacy · same kind of website · free plan
Stay for Safari lists userscripts and ad blocking among its features, with ratings and reviews available on the App Store.
19
AdGuard Mini
adguard.com/en/adguard-safari/overview.htmlAlso covers privacy · same kind of website
AdGuard Mini blocks ads in Safari on Mac and is described as helping protect privacy and reduce page loading times.
20
OnionHop
onionhop.deAlso covers privacy · same kind of website
OnionHop routes desktop traffic through Tor, with proxy and system-wide VPN modes, bridges, split tunneling, and a kill switch.
21
LinkLiar
halo.github.io/LinkLiarAlso covers macos and privacy · same kind of website
LinkLiar helps spoof a Mac Wi-Fi MAC address through a Swift status menu app documented in its handbook.
22
Also covers privacy · open source
Configure Ubuntu’s Uncomplicated Firewall through Gufw, a graphical firewall interface.
23
Linux Hardening
madaidans-insecurities.github.io/guides/linux-…Also covers privacy · same kind of website
Follow this Linux hardening guide for steps to improve the security of a Linux system.
24
Tor Browser
torproject.orgAlso covers privacy · same kind of website
The Tor Project promotes online anonymity and tools to defend against tracking, surveillance, and censorship.
No alternatives match this filter.
Alternatives to similar tools
Stay24 alternativesLinux Hardening24 alternativesLockdown Privacy24 alternativesMailTrackerBlocker24 alternativesWhat's Your Sign?24 alternativesSuspiciousPackage24 alternatives
What is the best alternative to LuLu?
Based on features, tags and platforms, the closest alternatives to LuLu are Tunnelblick, Freenet, and RansomWhere?.
Is there a free alternative to LuLu?
Yes. Stay is free or offer a free plan.
Are there open-source alternatives to LuLu?
Yes: Mistborn and gufw.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative