fidelius alternatives

Tools that do what fidelius 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 fidelius.

Read 2026-10-21

With a free plan or free to use: Tene, Toolport, Cloudflare, Snyk, GitHub, Sonar, Warp.

10 alternativesUnlike fidelius

#1
Tene Developer tools
Encrypts API keys and injects them at runtime so AI agents never see plaintext secrets.
Free planCan run on your servers
Emerging
Maintained
Free
#2
AI Operator by BLACKBOX AI Developer tools
Writes and edits code through a chat app, IDE extensions and a CLI coding agent that can call many different language models.
Also: AgentsMore widely used
58.6k
Active
From $0.30 per use
#3
Toolport Developer tools
Runs MCP servers locally and exposes them to multiple AI agents with reduced token overhead and security controls.
Free plan
2
Active
Free plan
#4
Microsoft Developer tools
Sells Windows, Microsoft 365 and Azure cloud services, plus Surface devices and Xbox consoles.
More widely used
135M
Active
1975
#5
MoltenRock Developer tools
Stores API keys and email credentials in a Mac secure enclave, serving them to local AI agents.
Same job
1
Active
#6
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.
Free planAlso: Agents
4.9M
Active
From $20/mo
2009
#7
Snyk Security
Scans source code, open source dependencies, container images and infrastructure-as-code for vulnerabilities, and suggests fixes in the IDE, CLI and pull requests.
Free planAlso: Code generation, Agents
63.1k
Active
From $25/mo
2015
#8
GitHub Developer tools
Hosts Git repositories with pull requests, code review, issue tracking and Actions pipelines for building, testing and deploying code.
Free planAlso: Workflow automation, Code generation
42M
From $4/user/mo
2007
#9
Sonar Developer tools
Analyzes source code statically in IDEs, CI pipelines and pull requests, reporting bugs, code smells, vulnerabilities and coverage against quality gates.
Free planMore widely used
72.4k
Active
From $34/mo
2007
#10
Warp Developer tools
Terminal app with built-in coding agents that run commands, edit code and review changes, plus cloud agents triggered from team workflows.
Free planAlso: Agents, Workflow automation
162k
Active
From $20/mo

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How this list is made: the words fidelius 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.