Thanks to all who responded to my question about this.
There are many in-house Access based systems out there, otherwise these commercial systems are available:
Diolch yn fawr
Mared
Mared Owen
Rheolwr Gwybodaeth Cynorthwyol | Assistant Information Manager
Gwasanaeth Rheoli Gwybodaeth | Information Management Service
Cyngor Gwynedd | Gwynedd Council
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