blocker
The premium Open Source alternative to Little Snitch
🎯 Best for:Securing microservices and application components.
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%