Zscaler alternatives: 4 apps ranked by verified data
Common reasons people leave Zscaler: no public pricing or self-serve plan, and rollout and policy design usually need a dedicated project. We ranked 4 alternatives by how directly each one replaces Zscaler, then by reviews, real visits and how recently each app's facts were checked against its own website. Firezone currently ranks first.
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Show all 4 alternativesThe best Zscaler alternative for…
The highest-ranked app in this list for each need.
Best Zscaler alternative for most people
FirezoneOpen-source WireGuard-based zero-trust access with per-resource policies and SSO.
Best Zscaler alternative for a free plan you can upgrade
TwingateZero-trust remote access that's far quicker to deploy, with self-serve plans for smaller companies.
Best Zscaler alternative for open source
TailscaleWireGuard mesh with identity-based access rules and a free tier, set up in minutes.
Best Zscaler alternative for Mac
NordLayerBusiness VPN and zero-trust access with simple per-user pricing for SMBs.
Best Zscaler alternative for Windows
FirezoneOpen-source WireGuard-based zero-trust access with per-resource policies and SSO.
Best Zscaler alternative for Linux
FirezoneOpen-source WireGuard-based zero-trust access with per-resource policies and SSO.
Best Zscaler alternative for iPhone and Android
FirezoneOpen-source WireGuard-based zero-trust access with per-resource policies and SSO.
Zscaler alternatives: common questions
What is the best alternative to Zscaler?
Firezone ranks first right now. Open-source WireGuard-based zero-trust access with per-resource policies and SSO. Twingate and NordLayer follow it in our ranking.
Is there a free alternative to Zscaler?
Yes. Firezone (free plan + paid), Twingate (free plan + paid) and Tailscale (free plan + paid) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to Zscaler?
Yes: Firezone and Tailscale.
Which Zscaler alternatives work on Linux?
Firezone, Twingate, NordLayer and Tailscale run on Linux.
Why do people switch from Zscaler?
The complaints we hear most: no public pricing or self-serve plan; rollout and policy design usually need a dedicated project; too heavy for small teams that just need remote access.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces Zscaler, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.