seekrit alternatives

Tools that do what seekrit 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 seekrit.

Read 2026-10-26 · seekrit itself: Free plan · From $1/mo

With a free plan or free to use: Lumo by Proton, Cloudflare, Revoke, AI Security Guard.

10 alternativesUnlike seekrit

#1
Lumo by Proton Security
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 assistant, SecurityMore widely used
3.4M
Active
Free plan
2014
#2
Cloudflare Security MCP · 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.
Costs moreMore widely used
4.9M
Active
From $20/mo
2009
#3
Prompt Security Security
Monitors and secures AI agent deployments, detects prompt injection attacks, and flags sensitive data in LLM usage.
Also: Monitoring, SecurityMore widely used
2.2k
Active
2023
#4
SentinelOne Purple AI Security
Detects and responds to endpoint threats using behavioral AI and autonomous remediation across devices and identities.
Also: Security, AnalyticsMore widely used
453k
From $179.99/user/yr
2013
#5
Maindex Agents MCP · sign-in
Stores a shared memory graph that AI agents and teammates read and write via MCP or REST, with provenance on each fact.
Costs more
4
Active
From $14.99/mo
#6
Revoke Developer tools
Scans local AI coding tools and developer environments to detect credential exposure and unauthorized file access.
Costs moreAlso: Security
Emerging
Maintained
From $29.99/mo
#7
AI Security Guard Security
Detects malicious packages, scans prompts for injection attacks, and monitors agent runtime security.
Also: SecurityMore widely used
675
Maintained
Free
2025
#8
Firefox Security
Blocks trackers by default in a web browser and moves bookmarks, passwords and history between devices.
Also: SecurityMore widely used
1.2M
Active
2002
#9
Nexus Void Automated Penetration Testing Security
Runs continuous automated penetration testing and compliance verification with human-supervised attack agents.
Also: Security, ComplianceMore widely used
42.9k
#10
OpenCTI Agent Security
Unifies threat intelligence, validates exposures, and orchestrates security responses across your security stack.
Also: Security, Workflow automationMore widely used
2k
Active
2022

← seekrit: the full card All Security tools →

How this list is made: the words seekrit 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.