Zscaler Alternatives

Zscaler is described as 'consolidates your stacks of gateway security appliances into integrated, cloud-based security services. Since it’s security as a service, there’s no physical or virtual hardware to deploy or manage, so getting started is simple' and is an app. There are seven alternatives to Zscaler for a variety of platforms, including Linux, Windows, Self-Hosted solutions, Mac and FreeBSD. The best alternative is Pi-hole, which is both free and Open Source. Other great apps like Zscaler are Squid, Privoxy, Ad Muncher and Apache Traffic Server.

Zscaler alternatives are mainly Ad Blockers but may also be Privacy Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Zscaler.

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Zscaler

Paid • Proprietary

Mac
Windows
Linux
iPhone
iPad
Software as a Service (SaaS)

Zscaler consolidates your stacks of gateway security appliances into integrated, cloud-based security services. Since it’s...

Learn more about Zscaler

Pi-hole
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Free • Open Source
Ad Blocker
Linux
Self-Hosted
CentOS
Fedora
Ubuntu
Debian
Raspbian
Raspberry Pi
34 alternatives to Pi-hole
Block ads for all your devices without the need to install client-side software. The Pi-hole blocks ads at the DNS-level, so all your devices are protected.
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Pi-hole Features
1. Privacy focusedPi-hole is considered a privacy friendly alternative.
2. Ad-freePi-hole doesn't contain any form of external advertising.
3. Dark ModePi-hole supports dark mode for comfortable usage in low light conditions.
Network-wide blocking
Adblocking via DNS
DNS Server
Self-hosted
Dockerized
DNS Proxy
Custom DNS
Squid
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No
Free • Open Source
Windows
Linux
BSD
Self-Hosted
Solaris
FreeBSD
OpenSolaris
NetBSD
OpenBSD
22 alternatives to Squid
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response times by caching and reusing frequently-requested web pages. Squid has extensive access controls and makes a great server accelerator.
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Squid Features
HTTP Proxy
Privoxy
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Yes
No
Free • Open Source
Ad Blocker
Mac
Windows
Linux
49 alternatives to Privoxy
Privoxy is a non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk.

Privoxy has no features, suggest some!
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Ad Muncher
Do you think this is a good alternative?
Yes
No
Free • Proprietary
Ad Blocker
Windows
56 alternatives to Ad Muncher
Ad Muncher is a powerful advert and popup blocking system for all browsers and advert-displaying programs like Pando, SopCast, ICQ, Morpheus, Kazaa, Grokster, Opera, PalTalk, iMesh, Bearshare, LimeWire, TVAnts.

Ad Muncher has no features, suggest some!
Apache Traffic Server
Do you think this is a good alternative?
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No
Free • Open Source
Mac
Linux
Self-Hosted
FreeBSD
19 alternatives to Apache Traffic Server
Formerly a commercial product, Yahoo! donated it to the Apache Foundation, and it is now an Apache TLP.
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Apache Traffic Server Features
Load balancing
HTTPS Support
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Polipo
Do you think this is a good alternative?
Yes
No
Free • Open Source
Ad Blocker
Windows
Linux
18 alternatives to Polipo
A small and fast caching web proxy (a web cache, an HTTP proxy, a proxy server). Polipo can be used in place of ad-filtering, privacy-enhancing proxies such as Junkbuster, Privoxy or WWWOFFLE. As Polipo has much more refined HTTP support, it doesnt impose the speed tax usually...

Polipo has no features, suggest some!
Discontinued
From the official website, "Polipo is obsolete. When it was first written, Polipo was probably the best HTTP proxy available. Since then, the web protocols have changed, and Polipo hasn't kept up — it has no support for HTTP/2.0 or the WebSocket protocol. Polipo will no longer be maintained."
AdBlock plus VPN
Do you think this is a good alternative?
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No
Free • Proprietary
Ad Blocker
Privacy Tool
iPhone
iPad
74 alternatives to AdBlock plus VPN
Blocks all Ads (banners, popups, teasers) in Safari browser for iOS devices: iPhone, iPad, iPod

AdBlock plus VPN has no features, suggest some!
Discontinued
Last updated on October 11, 2017.

Showing 7 of 7 alternatives

Pi-hole

Pi-hole Features

Squid

Squid Features

Privoxy

Ad Muncher

Apache Traffic Server

Apache Traffic Server Features

Polipo

AdBlock plus VPN