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Zabbix vs SolarWinds Network Performance Monitor: catalog facts
Zabbix	SolarWinds Network Performance Monitor
Free Free and open source under the AGPL. Support and services are paid.	Paid Commercial license sold directly by the vendor rather than offered as a free product.
Linux, Web, Self-hosted	Self-hosted
Scales to tens of thousands of monitored devices with proxies Large template library covering common hardware and services	NetPath and intelligent maps give deep visibility into network paths Long-established, widely deployed product in enterprise IT
Configuration is extensive; the learning curve is real Interface density makes simple setups feel heavy	Commercial licensing makes it a significant cost for smaller organizations Self-hosted deployment requires dedicated infrastructure to run
Self-hosted	Self-hosted, Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.