This community guide collects recommendations for improving security and privacy on macOS.
The Best Linux Hardening Alternatives in 2026
Looking for something like Linux Hardening? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 3 are open source.
This guide collects Linux kernel and userland settings for improving security and usability, targeting Arch Linux and potentially other distributions.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | macOS Privacy Guide | — | Yes | macOS |
| 2 | Tracee | — | Not stated | Linux, Web |
| 3 | Qubes | — | Not stated | Web |
| 4 | How to Secure a Linux Server | — | Not stated | Linux |
| 5 | USBGuard | — | Yes | Linux |
| 6 | Santa | — | Yes | macOS |
| 7 | WhoAmI Project | — | Not stated | Linux, Web |
| 8 | Securely Wipe Disk | — | Not stated | Web |
| 9 | Kextviewr | — | Not stated | macOS, Web |
| 10 | Linux Hardening | — | Not stated | Linux, Web |
All Linux Hardening alternatives
Tracee
aquasecurity.github.io/tracee/latestTracee monitors runtime security events and supports forensic analysis with eBPF instrumentation.
Qubes
qubes-os.orgQubes OS is a free, open-source operating system for personal computers that uses compartmentalization as a security approach.
How to Secure a Linux Server
github.com/imthenachoman/How-To-Secure-A-Linux…Follow this evolving guide for steps and configuration examples to secure a Linux server.
Set USB device authorization rules with USBGuard, a framework for controlling device access.
Authorize binary execution and file access on macOS with Santa, a system extension and policy tool.
WhoAmI Project
owerdogan.github.io/whoami-projectUse the WhoAmI Project to configure enhanced privacy and anonymity for Debian- or Arch-based Linux distributions.
Securely Wipe Disk
wiki.archlinux.org/title/Securely_wipe_diskThe ArchWiki guide covers securely wiping a disk, with related security articles and Arch Linux resources on the wiki.
Kextviewr
objective-see.org/products/kextviewr.htmlView details about kernel modules loaded on macOS with KextViewr, a utility from Objective-See.
Linux Hardening
madaidans-insecurities.github.io/guides/linux-…Follow this Linux hardening guide for steps to improve the security of a Linux system.
Telemetry.md
gist.github.com/ave9858/a2153957afb053f7d0e7ff…Read the telemetry disclosure and settings for the Telemetry.md GitHub Gist.
1Blocker
1blocker.com1Blocker blocks ads, trackers, and unwanted web content in Safari on iPhone, iPad, and Mac, with rules and settings synced over iCloud.
ShuffleStacks
shufflecake.netShufflecake is a Linux tool for creating multiple hidden filesystems with plausible deniability.
Collision
flathub.org/apps/dev.geopjr.CollisionCollision checks file hashes on Linux, with installation available through Flathub.
Tomb makes strong encryption easier for everyday use by creating locked folders that can be transported and hidden in a filesystem.
Freenet
freenet.orgFreenet offers peer-to-peer apps that operate without company control or dedicated servers, according to the project site.
Hyphanet
hyphanet.orgHyphanet provides information and downloads for a project focused on protecting internet privacy.
Stay for Safari lists userscripts and ad blocking among its features, with ratings and reviews available on the App Store.
OnionHop
onionhop.deOnionHop routes desktop traffic through Tor, with proxy and system-wide VPN modes, bridges, split tunneling, and a kill switch.
Tor Browser
torproject.orgThe Tor Project promotes online anonymity and tools to defend against tracking, surveillance, and censorship.
KnockKnock
objective-see.org/products/knockknock.htmlCheck which software is persistently installed on a Mac with KnockKnock, a tool for inspecting startup items.
Tunnelblick
tunnelblick.netTunnelblick is free, open-source macOS software for controlling OpenVPN connections, with downloads and support information on its site.
MailTrackerBlocker
apparition47.github.io/MailTrackerBlockerThe MailTrackerBlocker extension for macOS Apple Mail blocks email trackers, read receipts, and tracking pixels.
Lockdown Privacy
lockdownprivacy.comLockdown Privacy offers an open-source firewall for blocking trackers, ads, and badware in apps on iPhone and iPad.
Alternatives to similar tools
What is the best alternative to Linux Hardening?
Is there a free alternative to Linux Hardening?
Are there open-source alternatives to Linux Hardening?
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





















