Best Network Monitoring Software · 2026
ManageEngine OpManager vs 
Zabbix ManageEngine OpManager vs Zabbix: on our data-weighted scoring, ManageEngine OpManager edges ahead (8.3 vs 8.1/10). ManageEngine OpManager starts at $95/yr (10 devices, Standard) and is best for SMBs and mid-market wanting affordable, device-based network + server monitoring; Zabbix starts at Free tier available and is best for budget-conscious teams wanting a fully free, open-source, highly scalable monitoring platform. Choose ManageEngine OpManager for the stronger overall track record; consider Zabbix if its pricing model or fit matches your environment better. Side-by-side table below.
Affiliate disclosure: Some links may be affiliate or partner links. If you sign up through one, we may earn a commission at no extra cost to you. This never changes our scores or rankings. Learn more.
Six criteria, each scored 0–10 on the same scale from real review data, public pricing and feature coverage. See our methodology →
| Criterion | ManageEngine OpManager | Zabbix |
|---|---|---|
| Editorial | 8.3 | 8.1 |
| User reviews | 9.2 | 8.6 |
| Adoption | 5.6 | 6.0 |
| Affordability | 1.7 | 9.5 |
| Feature breadth | 8.0 | 6.0 |
| Ease of trial | 6.0 | 10.0 |
| ManageEngine OpManager | Zabbix | |
|---|---|---|
| Starting price | $95/yr (10 devices, Standard) | Free tier available |
| Pricing model | per device | flat |
| Free trial / tier | 30 days | Free tier + free trial |
| Best for | SMBs and mid-market wanting affordable, device-based network + server monitoring | Budget-conscious teams wanting a fully free, open-source, highly scalable monitoring platform |
| Deployment | Cloud + on-prem | Cloud + self-host |
| G2 rating | 4.6/5 (127) | 4.3/5 (192) |
| Capterra rating | — | — |
| Our score | 8.3 | 8.1 |
You need smbs and mid-market wanting affordable, device-based network + server monitoring.
You need budget-conscious teams wanting a fully free, open-source, highly scalable monitoring platform.
ManageEngine OpManager bills on a per device model from $95/yr (10 devices, Standard) (30 days trial), while Zabbix uses a flat model from Free tier available (free tier available). Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
ManageEngine OpManager ships 8 headline capabilities (Device-based licensing (all interfaces incl.), Network + server + VM monitoring, Fault + performance management, Customizable dashboards + maps) and deploys Cloud + on-prem. Zabbix ships 6 (Free + open-source (no license fees), Agent + agentless collection, 250+ official templates, Distributed + high-availability monitoring), deploying Cloud + self-host.
ManageEngine OpManager holds 4.6/5 (~127 G2 reviews); Zabbix holds 4.3/5 (~192 G2 reviews). On our data-weighted score, ManageEngine OpManager edges ahead (8.3 vs 8.1/10). Pick Zabbix instead when budget-conscious teams wanting a fully free, open-source, highly scalable monitoring platform. See ManageEngine OpManager alternatives or Zabbix alternatives.
