1
OnionHop
onionhop.deAlso covers privacy
OnionHop routes desktop traffic through Tor, with proxy and system-wide VPN modes, bridges, split tunneling, and a kill switch.
Alternatives
The Best Gas Mask Alternatives in 2026
24 alternatives2 free · 12 open source
Looking for something like Gas Mask? 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 12 are open source.
Edit and switch between hosts files on macOS with Gas Mask, a hosts file manager.
Top picks at a glance
First suggestionOnionHopOnionHop routes desktop traffic through Tor, with proxy and…Free or freemium optionW BlockBlock ads in Safari on Apple devices with wBlock, an…Open source optionSantaAuthorize binary execution and file access on macOS with…Another optionClashMacManage proxy connections on macOS with ClashMac, a native…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | OnionHop | — | Not stated | Linux, macOS, Web |
| 2 | ClashMac | — | Not stated | macOS |
| 3 | Santa | — | Yes | macOS |
| 4 | macOS Privacy Guide | — | Yes | macOS |
| 5 | macapt | — | Yes | Windows, macOS |
| 6 | W Block | Free | Yes | iOS, macOS |
| 7 | How to Secure a Linux Server | — | Not stated | Linux |
| 8 | Yubikey Full Disk Encryption | — | Yes | Linux |
| 9 | Mistborn | — | Yes | Web |
| 10 | Howdy | — | Yes | Linux, Windows |
All Gas Mask alternatives
2
ClashMac
github.com/666OS/ClashMacAlso covers macos and privacy · same kind of open-source project
Manage proxy connections on macOS with ClashMac, a native client that includes traffic routing views.
3
Also covers privacy · same kind of open-source project · open source
Authorize binary execution and file access on macOS with Santa, a system extension and policy tool.
4
Also covers privacy · same kind of open-source project · open source
This community guide collects recommendations for improving security and privacy on macOS.
5
Also covers privacy · same kind of open-source project · open source
Process macOS and iOS disk images or live machines with mac_apt to extract forensic data and metadata.
6
Also covers privacy · same kind of open-source project · open source · free
Block ads in Safari on Apple devices with wBlock, an open-source blocker that includes lists, scripts, and styles.
7
How to Secure a Linux Server
github.com/imthenachoman/How-To-Secure-A-Linux…Also covers privacy · same kind of open-source project
Follow this evolving guide for steps and configuration examples to secure a Linux server.
8
Also covers privacy · same kind of open-source project · open source
Use a YubiKey challenge-response at system startup to open a LUKS-encrypted disk volume.
9
Also covers privacy · same kind of open-source project · open source
Mistborn provides a self-hosted virtual private cloud with a web interface, firewall, WireGuard VPN, Pi-hole, DNSCrypt, and IP filtering.
10
Also covers privacy · same kind of open-source project · open source
Add face-based authentication to Linux using Howdy, which works with built-in infrared emitters and cameras.
11
Web
github.com/freenet/webAlso covers privacy · same kind of open-source project
This repository contains the source code for the Freenet website, including its main Hugo-generated site.
12
Also covers privacy · same kind of open-source project · open source
Hear when a computer sends requests to Google with Googerteller, which provides audible feedback about browsing activity.
13
Also covers privacy · same kind of open-source project · open source
Export personal data with Surfer Protocol, an open-source framework with a desktop app and Python SDK.
14
Also covers privacy · same kind of open-source project · open source
Configure Ubuntu’s Uncomplicated Firewall through Gufw, a graphical firewall interface.
15
Bubblewrap
github.com/containers/bubblewrapAlso covers privacy · same kind of open-source project
Bubblewrap provides low-level, unprivileged sandboxing for Flatpak and similar software projects.
16
Also covers privacy
uBlock Origin Lite by Raymond Hill is an App Store content blocker for iPhone, iPad and Mac with declarative filtering.
17
Also covers privacy · open source · free
Free, open-source ad blocker for Safari on iPhone, iPad and Mac.
18
Also covers privacy · same kind of open-source project · open source
Set USB device authorization rules with USBGuard, a framework for controlling device access.
19
What's Your Sign?
objective-see.org/products/whatsyoursign.htmlAlso covers macos and privacy
Check file origin and cryptographic signing details from Finder with this macOS utility.
20
RansomWhere?
objective-see.org/products/ransomwhere.htmlAlso covers macos and privacy
Detect possible macOS ransomware by monitoring file encryption activity with RansomWhere?.
21
GPG Suite
gpgtools.orgAlso covers macos and privacy
GPG Mail 8 for macOS Golden Gate is in beta, and the GPGTools page lists installation instructions, known issues, and support information.
22
Tunnelblick
tunnelblick.netAlso covers macos and privacy
Tunnelblick is free, open-source macOS software for controlling OpenVPN connections, with downloads and support information on its site.
23
MailTrackerBlocker
apparition47.github.io/MailTrackerBlockerAlso covers macos and privacy
The MailTrackerBlocker extension for macOS Apple Mail blocks email trackers, read receipts, and tracking pixels.
24
LuLu
objective-see.org/products/lulu.htmlAlso covers macos and privacy
Monitor and control outgoing network connections on macOS with LuLu, a free, open-source firewall.
No alternatives match this filter.
Alternatives to similar tools
wBlock24 alternativesuBO Lite Safari24 alternativesmacOS Privacy Guide24 alternativesYubikey Full Disk Encryption24 alternativesW Block24 alternativesHow to Secure a Linux Server24 alternatives
What is the best alternative to Gas Mask?
Based on features, tags and platforms, the closest alternatives to Gas Mask are OnionHop, ClashMac, and Santa.
Is there a free alternative to Gas Mask?
Yes. W Block and wBlock are free or offer a free plan.
Are there open-source alternatives to Gas Mask?
Yes: Santa, macOS Privacy Guide, macapt, and W Block.
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