GeoTools has some custom extensions which add versioning capabilities on top of postgis:

On top of that some extensions were also built into GeoServer that extend the WFS protocol to support versioning:

It is still experimental at this stage but people have successfully set up working demos with it.


Abhay wrote:
Hello All,

I wish to know, is there any system other than ESRI ArcSDE that supports versioning of GeoSpatial Data. If so could anyone point me to a possible solution in opensource and apart from write my own custom application/Workflow from scratch.

I have tried google for solution but am not able make or break any idea to solve this, so with a confused mind I ask, could there be a possibility that SVN or any version control system (application/mechanics/functionality) be merged with PostgreSQL (Postgis) to create this solution.




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Justin Deoliveira
OpenGeo -
Enterprise support for open source geospatial.
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