Open-source alternatives to PRTG

PRTG in the IT, security & identity category. These are the open alternatives we recommend looking at.

Netdata

Real-time monitoring of servers, containers and apps with ready-made dashboards.

GPL-3.0Strong copyleft

SaaS: YesClosed product: No

GitHub stars
80.8k
Deployment
Docker

Apache HertzBeat

Agentless real-time monitoring of servers, services and databases, with alerts and status pages.

Apache-2.0Permissive

SaaS: YesClosed product: Yes

GitHub stars
7.4k
Deployment
Docker

Zabbix

Established real-time monitoring of networks, servers, virtual machines and applications.

AGPL-3.0Network copyleft (AGPL)

SaaS: Yes, with conditionsClosed product: No

GitHub stars
6.4k
Deployment
Server
Login/SSO
SAML, LDAP

LibreNMS

Network monitoring with automatic device discovery, alerts and graphs.

GPL-3.0Strong copyleft

SaaS: YesClosed product: No

GitHub stars
4.9k
Deployment
Docker
Login/SSO
LDAP, OIDC

Checkmk

Infrastructure and application monitoring with automatic service discovery.

GPL-2.0Strong copyleft

SaaS: YesClosed product: No

GitHub stars
2.4k
Deployment
Server
Login/SSO
LDAP, SAML

This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.

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