Zabbix vs. BigBrother vs. Nagios

Was um Himmels willen ist das denn schon wieder?

Auf der Suche nach einer kleinen Netzwerk-Monitoring Software bin ich auf Zabbix gestossen.

Gegenüber den häufig anzutreffenden Lösungen Nagios und Big Brother bietet es eine Reihe von Vorteilen:

Hat Nagios auch, als kleines Gegenbeispiel mal ein kleiner Auszug von Big Brother:

2. LICENSE GRANT
Quest grants Licensee a non-exclusive and non-transferable license to use the Product. 
Licensee may not use the   product for commercial purposes beyond an initial thirty (30) day 
evaluation period without the purchase of a commercial license from Quest. Commercial purposes
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or updates to the Product.

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5. TERMINATION
Quest may terminate this Agreement for convenience at any time upon thirty (30) days notice at
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Punkt 3 ändert sich auch in der kommerziellen Variante ($2500+) nicht!

Wen das nicht interessiert mag gerne BB einsetzen.