Zabbix has been around since 2001 and is one of the most-used open-source monitoring tools. It's highly configurable but setup and ongoing maintenance are substantial. Honest comparison below.
| Dimension | monsys.ai | Zabbix |
|---|---|---|
| Time to first alert | ✓~5 min · 1 install command | ~Hours to days: server, frontend, agents, templates |
| Alert routing | ✓ntfy push + HMAC webhooks built in | ✓Email/Telegram/Slack via media types |
| AI explanation of logs/alerts | ✓Local llama3.1 explain, no external AI | ✗Not available |
| Per-host CVE matching | ✓NVD + OSV + EPSS, version-range matcher, risk score | ~Via Zabbix-Threat-Control or external scripts |
| Compliance evidence | ✓ISO27001/NIS2/CyFun/CIS with automated evidence | ✗Not built in |
| Out-of-band shell | ✓Emergency console over hub WS: works on isolated host | ✗Not present: remote_command requires network |
| Triggers and aggregates | ~Fixed threshold types per metric, no custom expression engine | ✓Custom trigger expression language, very flexible |
| Template ecosystem | ~One Rust agent with built-in collectors for Linux/Windows | ✓Hundreds of community templates for specific devices |
| Agent footprint | ✓5 MB static Rust binary, 1 systemd service | ✓Zabbix agent2 ~10 MB, modular |
| Hosting model | ✓Managed SaaS, EU-hosted in Belgium (GoTrust BV) | ~Self-hosted by default; managed offerings via partners |
monsys is a newer product and doesn't have Zabbix's 20+ year plugin library. For industrial/IoT scenarios or legacy SNMP devices, Zabbix is still the better pick today.
Guides that solve everything by hand first, and only then show what monsys automates.