Compare software

Alerta vs Open Alert Viewer: catalog facts
Alerta	Open Alert Viewer
Free Free and open source.	Free Free and open source under the MIT licence.
Web, Self-hosted, Command line	Linux, Android
Deduplicates alerts from many monitoring sources Wide range of ready-made integrations	One view for Prometheus, Nagios, Icinga and Zabbix alerts Runs on both Android and Linux desktop
Needs a server and database to run Homepage content has not been updated in some time	Zabbix support is partial Only Basic Authentication for most backends
Self-hosted	Downloadable app
Open source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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