Lightweight eBPF flow engine for OpenWrt and Linux routers with real-time traffic monitoring and kernel shaping
Continuous monitoring of your website, domain and security with actionable alerts and fixes
Stage
Not given
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Founded
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Based in
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SK
Pricing model
Freemium
Freemium
Pricing
Free: Community plan with 2,600+ open source rules and core features. Pro Monthly: $3.99/mo with 3,800+ rules and weekly updates. Pro Annual: $29.99/yr with all Pro entitlements. Pro Lifetime: $69.99 one-time with permanent license and 1 year of rule updates.
Free plan with 1 domain (no credit card required); Starter €5/month for up to 5 domains; Business €18/month for up to 20 domains; Enterprise custom pricing for 50+ domains. Annual billing available at 17% discount. Additional domains available at €5/month per 5 domains.
Key features
Real-time eBPF network telemetry with zero-copy line rate processing
Zero-agent device profiling using DHCP fingerprinting and mDNS
Encrypted traffic identification without SSL decryption
Sub-second quality telemetry with TCP/UDP RTT monitoring
Local timeseries storage in SQLite or ClickHouse databases
Per-device bandwidth ceilings and isolation with HTB
Application-aware QoS priority queues with kernel HTB classes
Sub-second policy synchronization with automatic kernel fail-safe rollback
Flow tracing from socket to BGP origin with latency tracking
Privacy-first architecture extracting only metadata, no packet payloads
Uptime monitoring with response time tracking
SSL certificate expiry and validity monitoring
DNS record monitoring including SPF, DKIM and DMARC
Domain hijacking detection
IP reputation and blocklist checking
Security header validation
WHOIS monitoring for domain expiry and registrar changes
Open port detection on monitored domains
Content change detection and alerts
Maintenance window scheduling to suppress alerts during planned downtime
What makes it different
Fully self-hosted with zero mandatory cloud sync or telemetry fees
Lightweight eBPF implementation using only 1.2% CPU and 18MB RAM
Open source core engine with optional Pro rules subscription model
99.4% application identification accuracy without decrypting encrypted traffic
Complete privacy by design storing only flow headers and SNI, never payloads
Plain-language explanations with exact fix steps for every issue found
Viglar Events timeline showing complete incident history and recovery progression
Client-facing security reports with scores and PDF export
Folder-based alert routing for different teams and clients
NetQMon Cloud
Viglar