PromptLock AlternativesLarge Language Model (LLM) Tools and other similar apps like PromptLock

Sites and apps similar to PromptLock include Pipelock, which is open source with a free version. Other options are Doberman. Between them they cover Mac, Windows, Linux and self-hosting.

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PromptLock alternatives page was last updated Aug 31, 2026

Pipelock
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Pipelock is an open-source agent firewall written in Go. It runs as a sidecar or local service between an agent and the network, scanning HTTP, WebSocket, and Model Context Protocol traffic through an 11-layer pipeline.
Cost / License
Freemium
Open Source (Apache-2.0)
Origin
United States
Platforms
Mac
Windows
Linux
Docker
Homebrew
Claude Code
Cursor
Visual Studio Code
United States
Good alternative?Is Pipelock a good alternative to PromptLock?
Doberman
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Your AI's guard dog. Doberman sits at runtime, gating every input, output and tool call to stop unsafe or unintended actions before they execute.
Cost / License
Free
Open Source (Apache-2.0)
Origin
New Zealand
Platforms
Self-Hosted
New Zealand
+5
Good alternative?Is Doberman a good alternative to PromptLock?

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