
HORIZON alternatives
Tools that do what HORIZON does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from HORIZON.
Read 2026-11-04
With a free plan or free to use: Cloudflare.
- #1

YesTechieSecurityMCP · open
Installs and manages Ubiquiti UniFi networks, security cameras and access control systems for commercial and industrial sites.
More widely used
432Active2022 - #2

VaronisSecurity
Discovers, classifies, and monitors sensitive data; detects and prevents data exfiltration and identity-based attacks.
Also: AnalyticsMore widely used
137kActive2005 - #3

DarktraceSecurity
Detects novel threats across networks, email, cloud, and endpoints using behavioral analysis.
Also: AnalyticsMore widely used
68.5kContact sales2013 - #4

Securiti GPTSecurity
Discovers, classifies, and governs sensitive data across hybrid cloud environments to enable safe AI and compliance.
Also: Data extraction, ComplianceMore widely used
78.9kActive - #5

CloudflareSecurityMCP · open
Proxies website traffic through a global network for CDN caching, DNS, DDoS protection and a web firewall, plus Workers serverless code and zero-trust access.
Free planAlso: Agents
4.9MActiveFrom $7/user/mo2009 - #6

TrustCloudSecurity
Monitors security controls continuously across first and third-party systems to quantify cyber risk and compliance posture.
Also: Compliance, AnalyticsMore widely used
5.6kActiveContact sales - #7

Kentik AISecurity
Collects network traffic data and detects anomalies like DDoS attacks and cost inefficiencies across cloud and on-premises infrastructure.
Also: AnalyticsMore widely used
114kActiveFrom $2,000/mo - #8

Prompt SecuritySecurityMCP · sign-in
Monitors and secures AI agent deployments, detects prompt injection attacks, and flags sensitive data in LLM usage.
Also: AgentsMore widely used
2.2kActive2023 - #9

Lumo by ProtonSecurity
Provides encrypted email, calendar, cloud storage, password manager and VPN under one Proton account, with the Lumo chat assistant as an add-on.
Also: Chat assistantMore widely used
3.4MActiveFrom $12.99/user/mo2014 - #10

HiddenLayerSecurity
Detects and prevents attacks on AI systems across discovery, supply chain, simulation, and runtime environments.
More widely used
4.1kActiveContact sales
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How this list is made: the words HORIZON is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.
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