blocker

The premium Open Source alternative to Little Snitch

🎯 Best for:Securing microservices and application components.
Visit WebsiteCompare with Little Snitch
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Apache-2.0License

What is blocker?

A self-hosted alternative to Little Snitch for managing application-specific network permissions. It provides granular control over how individual software components interact with external networks.

Tech Stack
KotlinVPN & Network

Why blocker?

  • Granular traffic control
  • Integrated management UI
  • Low latency filtering

Limitations

  • Limited documentation
  • Manual configuration required
  • OS specific limitations
3/5/2026
Last Update
88
Forks
40
Issues
Apache-2.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to blocker instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Little Snitch)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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